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  • 1.
    André, Samuel
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Towards a Platform Approach Supporting the Interface Between Technology - and Product Development2016In: Proceedings of the DESIGN 2016 14th International Design Conference, Dubrovnik, May 16-19, 2016. / [ed] Marjanović, D., Štorga, M., Pavković, N., Bojčetić, N., Škec, S., The Design Society, 2016, 1987-1996 p.Conference paper (Refereed)
    Abstract [en]

    The separation of technology development (TD) and product development (PD) is adding to the challenge that suppliers face. They are to conduct long term TD and at the same time tailor products when the order arrives. This paper proposes a platform approach in order to describe some conceptual knowledge. An example from the automotive business where early simulations of concepts are performed during TD is presented. The focus is on how these simulations can support the transfer of knowledge from TD to PD and how they are to be described in order to communicate the technology’s ability to adapt.

  • 2.
    André, Samuel
    et al.
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Stolt, Roland
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Elgh, Fredrik
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    A platform model for suppliers of customized systems: Creating an ability to master fluctuating requirements2016In: Proceedings of the ASME 2016 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference, IDETC/CIE 2016, Charlotte, August 21-24, 2016., 2016Conference paper (Refereed)
    Abstract [en]

    Companies developing highly customized products within the supplier industry are continuously faced with fluctuating requirements during both the quotation process and continued development. This research proposes a platform approach to aid suppliers when modularity or platform scalability do not suffice. The platform approach, Design Platform, focuses on descriptions that not only contain information about tangible components and systems but also information, knowledge and methods supporting the actual design of the product. A support system called Design Platform Manager has been developed to aid in using the platform approach and is introduced at a supplier active in the automotive industry. The system enables creation of generic product items that can be structured and instantiated to become product variants as well as Design Elements that are blocks of knowledge that describe a design or supports the activity of designing. A first evaluation is made that overall shows good result according to the company representatives.

  • 3.
    André, Samuel
    et al.
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Stolt, Roland
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Elgh, Fredrik
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Introducing Design Descriptions on Different Levels of Concretisation in a Platform Definition2015In: Product Lifecycle Management in the Era of Internet of Things / [ed] Bouras, A., Eynard, B., Foufou, S., Thoben, K.-D., Springer, 2015, 800-810 p.Conference paper (Refereed)
    Abstract [en]

    Product platforms has been widely accepted in industry as a means to reach both high product variety while maintaining business efficiency. For suppliers of highly customised products, however, the development of a platform based upon predefined modules is a challenge. This is due to the large differ-ences between the various systems their products are to be integrated into and the customer's individual preferences. What is common for most platform descriptions is the high level of concretisation, such as predefined modules, they are built upon, but how can companies act when that is not possible? Are there other principles that can be used for the definition of a product platform? This paper presents a concept to incorporate other types of descriptions of different levels of concretisation into a product platform. Parts of the concept has been realised in a computer support tool and tested at a case company in order to improve their quotation process.

  • 4.
    André, Samuel
    et al.
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Stolt, Roland
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Elgh, Fredrik
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Johansson, Joel
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Poorkiany, Morteza
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Managing Fluctuating Requirements by Platforms Defined in the Interface Between Technology and Product Development2014In: Advances in Transdisciplinary Engineering: Moving Integrated Product Development to Service Clouds in the Global Economy / [ed] Cha, J., Chou, S.-Y., Stjepandić, J. , Curran, R., Xu, W., Amsterdam: IOS Press, 2014, 424-433 p.Conference paper (Refereed)
    Abstract [en]

    Product platforms play an important role for the efficient customisation and variant forming of products in many companies. In this paper four different companies ranging from OEM to B2B suppliers have been interviewed on how they engage in technology and product development, create and maintain product platforms and how they respond to the changing requirements on the platforms and on the products and product families derived from them. The objective is to find how product platforms are used to meet the demands of efficient product customisation. The companies all have identifiable product platforms and established processes for product development. However, there are differences in how they define technology development, how the platforms are created, maintained, replaced and what the platforms contain. The introduction of new technology into the platforms and how the platforms are used from a Lean product development perspective has been of interest in the survey as reported in the paper.

  • 5.
    Elgh, Fredrik
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design. Jönköping University, School of Engineering, JTH, Mechanical Engineering.
    A Task Oriented Approach to Documentation and Knowledge Management of Systems Enabling Design and Manufacture of Highly Customized Products2013In: 20th ISPE International Conference on Concurrent Engineering / [ed] Cees Bil, John Mo, Josip Stjepandic, Amsterdam: IOS Press, 2013, 119-128 p.Conference paper (Refereed)
    Abstract [en]

    A rapidlygrowing approach in product design and manufacture, with great potential toimprove customer value, is mass customization. The possibility to design andmanufacture highly customer adapted products brings a competitive edge tomanufacturing companies and is in some areas a necessity for doing business. In this paper, an approach for documentation andknowledge management of systems supporting the design and manufacture ofcustomized products is explored. As the governing framework and models are updated and refined due toshifting prerequisite, the system and hence the solutions generated for asingle specification will change over time. This affects product management andthe ability to meet legislation and customers’ requirements regarding documentationand traceability, as well as the company’s ability to provide services,maintenance and supply spare parts. A solution has been developed for an industrialcase with required functionality for capturing, structuring, searching,retrieving, viewing, and editing a system’s embedded information and knowledge.The objective is to enable and facilitate system maintenance and updating andsupport the reuse of functions and system encapsulated generic designdescriptions in future systems.

  • 6.
    Elgh, Fredrik
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Automated engineer-to-order systems – a task-oriented approach to enable traceability of design rationale2014In: International Journal of Agile Systems and Management, ISSN 1741-9174, Vol. 7, no 3-4, 324-347 p.Article in journal (Refereed)
    Abstract [en]

    Mass customization is a rapidly growing business model that enables companies to deliver products with increased customer value. The ability to design and manufacture highly customer adapted products brings a competitive edge to manufacturing companies and is required for business success in some areas. In this paper, an approach for documentation and knowledge management of systems supporting the design and manufacture of customized products is explored. A system’s encapsulated rules and models have to be updated and refined due to shifting prerequisite and both the system and the solutions generated for a single specification will change over time. These changes affect product management and the ability to meet legislation and customers’ requirements regarding documentation and traceability, as well as the company’s ability to provide services, maintenance and supply spare parts. This work addresses this challenge and introduces a concept with required functionality for capturing, structuring, searching, retrieving, viewing, and editing a system’s embedded information and knowledge. The concept has been developed and applied to a real case in collaboration with a company acting as a sub-supplier in the automotive industry. The objective was to enable and facilitate maintenance and updating of existing system and support the reuse of functions and system encapsulated generic design descriptions in the development of future systems.

  • 7.
    Elgh, Fredrik
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Decision Support in the Quotation Process of Engineered-to-order Products2012In: Advanced Engineering Informatics, ISSN 1474-0346, E-ISSN 1873-5320, Vol. 26, no 1, 66-79 p.Article in journal (Refereed)
    Abstract [en]

    Sub-suppliers acting in the supply chain of the car industry have to adopt a strategy of products customization to be at the competitive edge. This is caused by the diversity of client’s requirements that entails customer engineered products with a high level of variety. A business strategy based on engineered-to-order products requires systems for efficient generation of product variants. This also includes a need of decision support in the order preparation process as well as in the quotation preparation process. Decision support that gives access to detailed and accurate information in the quotation preparation enables a high level of product adaptation while ensuring company efficiency. By the introduction of a design automation system, this can be achieved. However, means to manage different application domains, projects, task knowledge and design information are required together with a possibility to perform detailed analyses on the system generated information. The objective of this work is to contribute in that area. Initially, a number of success criteria were identified and explorative work was conducted for the purpose to develop a conceptual model and principles that an application system would reside upon. The result is a framework consisting of an information model and underlying principles to be used when developing a design automation system for quotation preparation. A system founded on the framework supports management and analysis of quotations and product variants. The functionality and usefulness has been demonstrated and validated by a system implementation developed in collaboration with an industry partner.

  • 8.
    Elgh, Fredrik
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Modeling and management of product knowledge in an engineer-to-order business model2011In: Proceedings of the 18th International Conference on Engineering Design (ICED11), Vol. 6 / [ed] Culley, S.J.; Hicks, B.J.; McAloone, T.C.; Howard, T.J. & Chen, W., 2011, 86-95 p.Conference paper (Refereed)
    Abstract [en]

    To adopt an engineer-to-order (ETO) business model when competing on a market where competitors’ products are mass-produced is a challenge. However, a competitive edge can be gained if the principles of ETO and mass production successfully can be combined. High level of customer adaptation requires systems for efficient generation of product variants with associated specifications for automated manufacturing. To maintain these systems’s usefulness over time, frequent updating will normally become a necessity. Of equal importance, is the reuse of the system encapsulated generic product family objects when developing a new product family. In this paper a case study is presented with the main objective to provide a system foundation for modeling and management of product knowledge supporting reuse, expansion and maintenance of system embedded objects. One of the central parts of the framework is the Meta-Knowledge Containers, labeled Descriptions for the case company. A Description contains both a definition of system embedded objects as well as the rationale behind their design. Traceability is gained by linking of Descriptions, individually and to documents, models and items.

  • 9.
    Elgh, Fredrik
    Jönköping University, School of Engineering, JTH, Mechanical Engineering. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Supporting Quotation Preparation by Process and Knowledge Modeling: Principles and Concepts for Automation2011In: Proceedings of the ASME 2011 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference, IDETC/CIE 2011, August 29-31, 2011, Washington, DC, USA, New York: American Society of Mechanical Engineers , 2011, Vol. 2a, 749-758 p.Conference paper (Refereed)
    Abstract [en]

    Subcontractors are commonly involved in several quotation processes and new requests for quotation are continuously received from clients. To be able to respond with feasible design solutions at competitive price, new ways of working has to be adopted, especially when it comes to quotation preparation. High levels of accuracy of the preliminary design solutions and the cost estimations generated in the quotation process are a necessity. The purpose of this work is to investigate, explore, and develop a computerized method to support quotation preparation. The main objectives are to reveal concepts and principles to support application system development and evaluate the applicability of automated quotation preparation. The results are based on experiences from a case study at a sub-supplier to the car industry. In the case study, a design automation system for quotation preparation of seat heaters was developed. The system supports the pursuit of a valid design solution and the best solution in the individual case enabling the company to respond quickly with a competitive price when receiving a new request. In this paper, principles and concepts supporting system development are introduced and the system’s applicability as a means in quotation preparation explored.

  • 10.
    Elgh, Fredrik
    et al.
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    André, Samuel
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Johansson, Joel
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Stolt, Roland
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Design Platform: Setting the Scope and Introducing the Concept2016In: Proceedings of the DESIGN 2016 14th International Design Conference, Dubrovnik, May 16-19, 2016. / [ed] Marjanović, D., Štorga, M., Pavković, N., Bojčetić, N., Škec, S., The Design Society, 2016, 1253-1264 p.Conference paper (Refereed)
    Abstract [en]

    Product platforms has been a successful enabler for efficient mass customization. However, they cannot fully support suppliers working in an engineer-to-order business environment. This work identifies the need and scope of a different platform model that supports customization and management of fluctuating requirements. A novel plaform model is introduced entitled Design Platform. The model is based on the current state and future target condition at four companies. The model provides a coherent environment for heterogeneous design assets to be used in product development.

  • 11.
    Elgh, Fredrik
    et al.
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Johansson, Joel
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Knowledge Object - a Concept for Task Modelling Supporting Design Automation2014In: Advances in Transdisciplinary Engineering: Moving Integrated Product Development to Service Clouds in the Global Economy / [ed] Jianzhong Cha, Shuo-Yan Chou, Josip Stjepandić, Richard Curran, Wensheng Xu, Amsterdam: IOS Press, 2014, 192-203 p.Conference paper (Refereed)
    Abstract [en]

    The ability to design and manufacture highly customer adapted products brings a competitive edge to manufacturing companies acting on a business-to-business market as suppliers to OEMs. A vital means for success in quotation and order preparation is advanced system support in design, process planning and cost estimation based upon the automation of engineering tasks. A design automation system encapsulates these tasks which are to be executed for specific customer specifications in a sequence specified either by a predefined order or resolved by an inference mechanism in run-time. Commonly, the development of a design automation system is an iterative process alternating between a top-down and a bottom-up approaches. An overall strategy is a necessity for successful system development, however, to successfully define the tasks, retrace all the necessary knowledge and to close gaps in both the tasks and the knowledge definitions require a complete and detailed understanding of the specific domain. In this paper, the concept of Knowledge Object is described together with examples of its use in both the development and system realization of design automation systems enabling product customization. The concept has shown to be useful for modelling of design processes, tasks, and engineering knowledge as well as in system development and realization. It also supports traceability and understanding by relations to other concepts describing associated requirements and design rational.

  • 12.
    Elgh, Fredrik
    et al.
    Jönköping University, School of Engineering, JTH, Mechanical Engineering. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Poorkiany, Morteza
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Supporting Traceability of Design Rationale in an Automated Engineer-To-Order Business Model2012In: DS 70: Proceedings of DESIGN 2012, the 12th International Design Conference, Dubrovnik, Croatia / [ed] Marjanovic Dorian, Storga Mario, Pavkovic Neven, Bojcetic Nenad, 2012, 1425-1434 p.Conference paper (Refereed)
    Abstract [en]

    The ability to efficiently and quickly design and manufacture highly customized product can provide a competitive advantage for companies acting on a market with shifting customer demands. A business model based on highly customized product requires advanced application systems for automating the work of generating product variants based on different customer specification. The establishment of a system for automated design and production preparation is a significant investment in time and money and is expected to give revenues over many years. To maintain a design automation system’s usefulness over time, frequent updating of design rules and execution control will normally become a necessity. Reuse of the system encapsulated generic product family descriptions when developing a new product family is also perceived to significantly increase the efficiency in system development. The scope and the purpose of this research originate from industrial problems and needs which have been identified within research projects carried out in near collaboration with industrial partners. New concepts, perceived as prescriptive models, are in this work introduced, evaluated, and refined which is in accordance with the design modelling approach [Duffy, Andreasen, 1995]. The focus of this paper is a case study carried out at a company with long experience of systems for automated variant design. The main objective is to provide a system foundation for modelling and management of product knowledge in design automation systems to support reuse, expansion and maintenance.

  • 13.
    Gustafsson, Göran
    et al.
    Chalmers tekniska högskola.
    Raudberget, Dag
    Jönköping University, School of Engineering, JTH, Product Development. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design. Chalmers tekniska högskola.
    Ström, Mikael
    Swerea IVF.
    Unveiling fundamental relationships in industrial product development2016In: Procedia CIRP / [ed] Lihui Wang, Elsevier, 2016, Vol. 50, 204-209 p.Conference paper (Refereed)
    Abstract [en]

    Identification and clarification of relationships between product properties is fundamentally important in industrial product development. The process is however frequently perceived difficult. The presented research aims at clarifying if a visual tool can provide help in this work. The tool is a combination of previously known techniques and has so far been implemented at two product developing companies. Results and reactions from the tests are hitherto positive and the conclusion is therefore that this extended casual diagram can be a useful addition to the product developer's toolbox.

  • 14.
    Harish Acharya, Maniyoor
    et al.
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Sudsawat, Suppatarachai
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Improving the time frame reduction for reuse of roof rack components in cars using Case-based reasoning2012Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    Now a days where technological advancements are growing at a rapid pace, it has become a common norm for all the manufacturing companies to be abreast with these advancements for being competitive in market. This thesis deals with development of one such common norm for one of the products (Roof rack component) for company Thule. The main aim of the thesis is to curtail the products lead time to market and this was achieved by using an artificial intelligence technique i.e., Case-based reasoning (CBR). Roof rack component which is mounted on car roof is mainly constituted by two parts foot pad and bracket, this thesis main interest was concerned with only brackets and its geometry. This thesis is based on contemplating the already implemented concepts in this context, designer requirements and exploring better solutions. The methods of implementation adopted here was using CBR concept which is based on indexing , retrieve, adapt, review, retain and employing these concepts in form of an algorithm. The concept for developing the algorithm was based on Iterative closest point (ICP) approach which emphasise on assigning lower weight to pairs with greater point to point distance. The results portrayed are with respect to geometry and also with respect to application interface developed, which both together provides us a better solution.

  • 15.
    Heikkinen, Tim
    et al.
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Johansson, Joel
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Elgh, Fredrik
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Assessment of Simulation Ready CAD Models in a Set Based Concurrent Engineering Context2016In: Proceedings of the DESIGN 2016 14th International Design Conference, Dubrovnik, May 16-19, 2016. / [ed] Marjanović, D., Štorga, M., Pavković, N., Bojčetić, N., Škec, S., The Design Society, 2016, 649-658 p.Conference paper (Refereed)
    Abstract [en]

    Set-based concurrent engineering (SBCE) has been pointed out as a means of enabling customisation and easy adaptation to fluctuating requirements. A feature and script based automation method of Finite Element Analysis has been proposed and developed by [Johansson, 2014] to help support SBCE. This article presents an assessment of the purposed method with respect to its industrial need, scientific novelty, and further work required. Outcomes of which include a new CAD-model tagging technique, positive industrial feedback and further work suggestions.

  • 16.
    Heikkinen, Tim
    et al.
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design. Jönköping University, School of Engineering, JTH, Product Development.
    Stolt, Roland
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design. Jönköping University, School of Engineering, JTH, Product Development.
    Elgh, Fredrik
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design. Jönköping University, School of Engineering, JTH, Product Development.
    Andersson, Petter
    GKN Aerospace Sweden.
    Automated Producibility Assessment Enabling Set-Based Concurrent Engineering2016In: Transdisciplinary Engineering: Crossing Boundaries / [ed] Milton Borsato, Nel Wognum, Margherita Peruzzini, Josip Stjepandić and Wim J.C. Verhagen, IOS Press, 2016, 947-956 p.Conference paper (Refereed)
    Abstract [en]

    The aero-engine industry is continuously faced with new challenging cost and environmental requirements. This forces company's, active in the industry, to work toward more fuel efficient engines with less environmental impact at a lower cost. This paper presents a method for assessing producibility of large sets of components within aircraft engines to enable a Set-Based Concurrent Engineering development approach. A prototype system has been developed aimed at enabling weldability analysis at a sub-supplier within the aero-engine industry. It is a part of a multi-objective decision support tool used in early design stages. The tool produces sets of CAD-models reaching the hundreds for different analyses, mainly focusing on performance aspects within structural analysis, aerodynamics and thermodynamics.

  • 17.
    Hjertberg, Tim
    et al.
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design. Jönköping University, School of Engineering, JTH, Product Development.
    Stolt, Roland
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design. Jönköping University, School of Engineering, JTH, Product Development.
    Elgh, Fredrik
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design. Jönköping University, School of Engineering, JTH, Product Development.
    Managing Dependencies in Heterogeneous Design Automation Systems2016In: Transdisciplinary Engineering: Crossing Boundaries / [ed] Milton Borsato, Nel Wognum, Margherita Peruzzini, Josip Stjepandić and Wim J.C. Verhagen, IOS Press, 2016, 279-288 p.Conference paper (Refereed)
    Abstract [en]

    Increasing competition in cost efficiency, lead-times, product quality, quotation accuracy, and abilities to provide customization drives companies toward development and adoption of new methods. To re-use knowledge gained from previous projects in order to avoid producing the same knowledge again and to circumvent previously encountered obstacles is an approach which is more or less used by most companies. Utilization of Design Automation (DA) systems in the engineering design process have proven to increase process efficiency and to enable new ways of working by systematic re-use of engineering knowledge. In order to ensure system longevity, industrial practitioners and researchers have pointed at implementation and long term management as important aspects to consider during development. The systems are often built on top of commercial software and legacy systems integrated by different types of scripts and system descriptions which becomes dependent of each other in different ways. Changes made during maintenance in one of these artifacts propagates through the dependency structure making traceability and transparency key factors for keeping the system valid over time. This paper presents a description of the problem in a real industrial setting together with a suggestion of an approach, based on set-up and management of dependencies between sections inside and across different types of system components, which is aimed to aid implementation and management of DA tools. A prototype system which informs the user, of functional sections related to a functional section to be updated, have been developed. The prototype is applied on a multidisciplinary heterogeneous system environment used for simulation based knowledge build up and concept evaluations of jet engine components.

  • 18.
    Hjertberg, Tim
    et al.
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Stolt, Roland
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Poorkiany, Morteza
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Johansson, Joel
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Elgh, Fredrik
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Implementation and management of design systems for highly customized products – state of practice and future research2015In: Transdisciplinary lifecycle analysis of systems: Proceedings of the 22nd ISPE Inc. International Conference on Concurrent Engineering / [ed] Richard Curran, Nel Wognum, Milton Borsato, Josip Stjepandić, Wim J.C. Verhagen, 2015, 165-174 p.Conference paper (Refereed)
    Abstract [en]

    Individualized products, resource-smart design and production, and afocus on customer value have been pointed out as three opportunities for Swedishindustry to stay competitive on a globalized market. All these three opportunitiescan be gained by efficient design and manufacture of highly customized products.However, this requires the development and integration of the knowledge-basedenabling technologies of the future as pointed out by The European Factories ofthe Future Research Association (EFFRA). Highly custom engineered productsrequire an exercising of a very rich and diverse knowledge base about the products,their production and the required resources for design and manufacture. Thedevelopment and implementation of systems for automated design and productionpreparation of customized products is a significant investment in time and money.However, our experience from industry indicates that significant efforts arerequired to introduce and align these kinds of systems with existing operations,legacy systems and overall state of practice. In this paper, support for systemdevelopment in literature has been reviewed in combination with a survey on thestate of practice in four companies regarding implementation and management ofautomated systems for custom engineered products. A gap has been identified anda set of areas for further research are outlined.

  • 19.
    Johansson, Glenn
    et al.
    Jönköping University, School of Engineering, JTH. Research area Industrial Production.
    Cederfeldt, Mikael
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    The role of decentralized purchasing to ensure supplier involvement in geographically dispersed new product projects2011In: Proceedings of The 4th International Swedish Production Symposium, SPS11 / [ed] Jan-Eric Ståhl, The Swedish Production Academy , 2011, 322-328 p.Conference paper (Refereed)
  • 20.
    Johansson, Joel
    Jönköping University, School of Engineering, JTH, Mechanical Engineering. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    A Feature and Script Based Integration of CAD and FEA to Support Design of Variant Rich Products2014In: Computer-Aided Design and Applications, ISSN 1686-4360, Vol. 11, no 5, 552-559 p.Article in journal (Refereed)
    Abstract [en]

    The focus of the research presented in this article has been an integration of a CAD-system and a FEA pre-processor to automatically develop a complete FEA-models in order to make simulation based design possible. The article presents a prototype system that was developed to automate the simulation of the behavior of ski-racks mounted on cars during collision. This type of simulations requires mesh models containing structured mesh, an issue solved in the presented system and that is presented in the article. It is also shown how to make it possible to introduce contacts, loads, constraints, and other FEM-properties based on CAD-geometry.

  • 21.
    Johansson, Joel
    Jönköping University, School of Engineering, JTH, Mechanical Engineering. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    A feature and script based integration of CAD and FEA to support design of variant rich products2013Conference paper (Refereed)
    Abstract [en]

    The focus of the research presented in this article has been an integration of a CAD-system and a FEA pre-processor to automatically develop a complete FEA-models in order to make simulation based design possible. The article presents a prototype system that was developed to automate the simulation of the behavior of ski-racks mounted on cars during collision. This type of simulations requires mesh models containing structured mesh, an issue solved in the presented system and that is presented in the article. It is also shown how to make it possible to introduce contacts, loads, constraints, and other FEM-properties based on CAD-geometry.

  • 22.
    Johansson, Joel
    Jönköping University, School of Engineering, JTH, Mechanical Engineering. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Automated Computer Systems for Manufacturability Analyses and Tooling Design: Applied to the Rotary Draw Bending Process2011Doctoral thesis, comprehensive summary (Other academic)
    Abstract [en]

    Intensive competition on the global market puts great pressure on manufacturing companies to develop and produce products that meet requirements from customers and investors. One key factor in meeting these requirements is the efficiency of the product development and the production preparation processes. Design automation is a powerful tool to increase efficiency in these two processes.

    The benefits of automating the manufacturability analysis process, a part of the production preparation process, are shortened lead-time, improved product performance, quality assurance, and, ultimately, decreased costs. Further, automation is beneficial as it increases the ability to adapt products to new product specifications with production preparations done in a few or in a single step. During the automation process, knowledge about the manufacturability analysis process is collected and stored in central systems, thus allowing full control over the design of production equipments.

    Topics addressed in this thesis include the flexibility of design automation systems, knowledge-bases containing alternative design rules, the automation of the finite element analysis process, manufacturability analysis over several productions steps, and the determination of production limits by looping the automated manufacturability analysis process. These topics are discussed in connection with the rotary draw bending of aluminum profiles.

    It is concluded that the concept of design automation can be applied to the manufacturability analysis process at different levels of automation depending on the characteristics of the implemented knowledge. The concept of object orientation should be adapted when implementing a knowledge-base and when developing the geometrical representations of the products. This makes a design automation system flexible enough to edit underlying knowledge and to extend the targeted design space. It is possible to automate the process of setting up, running, and interpreting finite element analyses to a great extent, enabling the design automation system to evaluate its own design proposals. It is also possible to enable such systems to consider sequences of manufacturing steps and loop them to develop decision support guiding engineers early in the design process, saving time and money while still assuring high product quality.

  • 23.
    Johansson, Joel
    Jönköping University, School of Engineering, JTH, Mechanical Engineering. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Combining Case Based Reasoning and Shape Matching Based on Clearance Analyzes to Support the Reuse of Components2012Conference paper (Refereed)
  • 24.
    Johansson, Joel
    Jönköping University, School of Engineering, JTH, Mechanical Engineering. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    How to Build Flexible Design Automation Systems for Manufacturability Analysis of the Draw Bending of Aluminum Profiles2011In: Journal of manufacturing science and engineering, ISSN 1087-1357, Vol. 133, no 6Article in journal (Refereed)
    Abstract [en]

    Manufacturingcompanies continually need to develop and produce products faster, cheaper,and of better quality to meet requirements from customers andinvestors. One key factor in meeting these requirements is theefficiency of the product development and the production preparation processes.Design automation is a powerful tool for increasing the efficiencyof these two processes. The benefits of automating manufacturability analyses,a part of the production preparation process, are shortened leadtime, improved product performance, and ultimately decreased cost. Further, theautomation is beneficial as it increases the ability to adaptproducts to new specifications since production preparations are done infew or in a single step. Extruded sections of aluminum(aluminum profiles) have many advantages, especially for light weight structuralmembers, and are used in many products. Many times asecondary forming process, such as bending, is required when thesematerials are used. The intention of the work presented inthis article has been to investigate how to automate theprocess of finding manufacturing limits of the rotary draw bendingof aluminum profiles with focus on the system architecture neededto make such systems flexible. Finding the forming limits ofan aluminum profile is not a trivial task. This isbecause the limits depend not only on the profile shapebut also on the layout of the tool. Hence, simulationshave to be done to evaluate different designs. A prototypesystem was developed to explore what was needed to automatesimulation of the rotary draw bending of aluminum profiles, andsubsequently, analyze the simulated production outcome with respect to wrinklingand developed length.

  • 25.
    Johansson, Joel
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design. Jönköping University, School of Engineering, JTH, Mechanical Engineering.
    Howtomation© Suite: A Novel Tool for Flexible Design Automation2015In: Transdisciplinary lifecycle analysis of systems: Proceedings of the 22nd ISPE Inc. International Conference on Concurrent Engineering, July 20–23, 2015 / [ed] Richard Curran, Nel Wognum, Milton Borsato, Josip Stjepandić, Wim J.C. Verhagen, 2015, 327-336 p.Conference paper (Refereed)
    Abstract [en]

    This paper shows how to achieve flexibility in design automat systems through the introduction of knowledge objects and through the adoption of an oriented view of the product structure. To demonstrate the ideas a novel tool called Howtomation© Suite (for automated know-how) is presented. The new tool handles the addressed issues and has been successfully implemented at one company. That successful implementation is described at end of the paper.

  • 26.
    Johansson, Joel
    et al.
    Jönköping University, School of Engineering, JTH, Mechanical Engineering. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    André, Samuel
    Jönköping University, School of Engineering, JTH, Mechanical Engineering. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Elgh, Fredrik
    Jönköping University, School of Engineering, JTH, Mechanical Engineering. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Simulation ready CAD-models as a means for knowledge transfer between technology development and product development2015In: Proceedings of the International Conference on Engineering Design, ICED, Vol 6: Design Methods And Tools - Pt 2 / [ed] Weber, C; Husung, S; Cantamessa, M; Cascini, G; Marjanovic, D; Graziosi, S, Glasgow, Scottland, UK: The Design Society, 2015, Vol. 6, 195-205 p.Conference paper (Refereed)
    Abstract [en]

    Manufacturing companies tend to separate technology development (TD) from product development (PD) as has been devised by research within the field of innovation management. When a technology is ready it somehow has to be made available to the PD teams so that the engineers working in PD projects can adapt the new technology into new products. The question is how that work can be supported. The ultimate goal of the research presented in this paper is to develop methods and tools to assist the knowledge transfer between TD and PD with a focus on supporting the actual use of the new technology in PD. This paper presents an industrial case along with a proposed method to achieve this. The TD and PD processes in the case company were reviewed with focus on how simulation models evolve over time and how they are used for different purposes. It was discovered that simulation ready CAD-models can be used to transfer the output from TD to PD.

  • 27.
    Johansson, Joel
    et al.
    Jönköping University, School of Engineering, JTH, Mechanical Engineering. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Cederfeldt, Mikael
    Jönköping University, School of Engineering, JTH, Mechanical Engineering. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Interactive Case Based Reasoning through Visual Representation: Supporting the Reuse of Components in variant-rich products2012In: Proceedings of Design2012, May 21-24, 2012, Dubrovnik, Croatia / [ed] Marjanovic Dorian, Storga Mario, Pavkovic Neven, Bojcetic Nenad, 2012, 1477-1485 p.Conference paper (Refereed)
  • 28.
    Johansson, Joel
    et al.
    Jönköping University, School of Engineering, JTH, Mechanical Engineering. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Elgh, Fredrik
    Jönköping University, School of Engineering, JTH, Mechanical Engineering. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    How to Successfully Implement Automated Engineering Design Systems: Reviewing Four Case Studies2013In: 20th ISPE International Conference on Concurrent Engineering / [ed] Cees Bil, John Mo, Josip Stjepandic, Amsterdam: IOS Press, 2013, 173-182 p.Conference paper (Refereed)
  • 29.
    Johansson, Joel
    et al.
    Jönköping University, School of Engineering, JTH, Mechanical Engineering. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Elgh, Fredrik
    Jönköping University, School of Engineering, JTH, Mechanical Engineering. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Three examples of how DSM enhances engineering design automation2013In: Proceedings of 15th International DSM Conference: Reducing Risk in Innovation, 2013Conference paper (Refereed)
  • 30.
    Johansson, Joel
    et al.
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design. Jönköping University, School of Engineering, JTH, Mechanical Engineering.
    Poorkiany, Morteza
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Elgh, Fredrik
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Design Rationale Management – a Proposed Cloud Solution2014In: Advances in Transdisciplinary Engineering: Moving Integrated Product Development to Service Clouds in the Global Economy / [ed] Jianzhong Cha, Shuo-Yan Chou, Josip Stjepandić, Richard Curran, Wensheng Xu, Amsterdam: IOS Press, 2014, 204-214 p.Conference paper (Refereed)
    Abstract [en]

    Due to increasing complexity of modern products it is many times impossible for single individual engineers to fully grasp the product they are a part of developing. Valuable time during the product development is therefore spent searching for knowledge about different aspect of the product. To enable engineers finding right knowledge in different situations, the knowledge must first of all exist. Secondly, it needs to be structured and thirdly, it needs to be accessible. In this paper all of these three aspects of design rationale (reasons for why the product is designed the way it is) are addressed with the main focus on the latter one, accessibility. An information model is presented that can be used to structure the design rationale. It also presents a schematic overview of how a cloud solution could be realized using the information model to make a complete system for instantly capturing, filtering and accessing design rationale in a contextual manner.

    To enable the instant and contextual capture, filtering and access of the design rationale, the design rationale management systems should be present to the engineers everywhere in the digital environment, ready for service. It should also include functions that make the design rationale shared to all privileged users making sure everyone has updated versions of the stored knowledge.

    In this work the main ideas of a method for instant and contextual capture, filtering and access of the design rationale are introduced and a pilot system described as a proof of concept. The pilot system can be used to capture, filter and access design rationale across and within text-documents, spread sheets and CAD-models.

  • 31.
    Johansson, Joel
    et al.
    Jönköping University, School of Engineering, JTH, Product Development. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Stolt, Roland
    Jönköping University, School of Engineering, JTH, Product Development. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Raudberget, Dag
    Jönköping University, School of Engineering, JTH, Product Development. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    An approach to capture engineering knowledge through visual evaluation of mass generated design proposals2016In: Proceedings of the DESIGN 2016 14th International Design Conference, Dubrovnik, May 16-19, 2016 / [ed] Marjanović, D., Štorga, M., Pavković, N., Bojčetić, N., Škec, S., The Design Society, 2016, 679-688 p.Conference paper (Refereed)
  • 32.
    Landah, Jonas
    et al.
    Chalmers University of Technology.
    Raudberget, Dag
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design. Chalmers University of Technology.
    Johannesson, Hans
    Chalmers University of Technology.
    Assessing System Maturity of Interacting Product and Manufacturing Alternatives Before Early Technology Commitment2015In: 24th Annual IAMOT Conference for the International Association for Management of Technology, Cape Town, 8-11 June, 2015., 2015Conference paper (Refereed)
    Abstract [en]

    This paper presents a new way to support early assessment of interacting product and manufacturing technologies based on system maturity. This approach is illustrated by an example from the aerospace industry, where alternative technologies are introduced in an existing product and manufacturing systems platform. By assessing the system maturity of interacting technologies, alternative solutions can be eliminated before early technology commitment. This is beneficial for 1) clarifying the company’s status regarding capability and maturity, 2) eliminating immature technologies within a certain capability bandwidth, and 3) prioritizing advanced technology development initiatives with respect to the risk of implementing a manufacturing technology to interact with a product technology. It may also enable reduction in design rework and manufacturing rework that comes with failed maturity matching of product systems and manufacturing systems, thus possible reduction in lead-time and cost could be met.

  • 33.
    Levandowski, Christoffer
    et al.
    Chalmers University of Technology.
    Corin Stig, Daniel
    Chalmers University of Technology.
    Raudberget, Dag
    Jönköping University, School of Engineering, JTH, Product Development. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design. Chalmers University of Technology.
    Johannesson, Hans
    Chalmers University of Technology.
    Accommodating Emerging Technologies in Existing Product Platforms2015In: 24th Annual IAMOT Conference for the International Association for Management of Technology, Cape Town, 8-11 June, 2015., 2015Conference paper (Refereed)
    Abstract [en]

    For many companies, proficiency in introducing new technologies is central to their business. For instance, for suppliers in the aerospace industry, having extensive knowledge about a specific technology can be crucial for getting to take part in the next airplane project. However, when new technologies emerge as a result of advanced engineering, they are often hard to implement in product platforms. The fragile nature of a working platform originates from the complex relationships between subsystems and variants. Introducing a new technology into the already fine-tuned platform may affect the performance of the platform negatively, or generate a too large development effort to handle. This may lead to reluctance towards introduction of new promising technologies, which in the long run may result in technologies being discarded as infeasible or being introduced much later than necessary. To be able to assess the impact of a technology and safely accommodate it in an existing platform architecture, it needs to be modeled appropriately. Current models of technologies do not describe them in relation to the architecture they are to be implemented in. Further, the common platform architecture models describe change scenarios from a top-down perspective. Technology introduction would require changing the platform from a bottom-up perspective. This paper suggests an approach to accommodate introduction of emerging technologies into a product platform by means of: - Modeling the technologies as systems in a shared model. - Using trade-off curves to describe the bandwidth of technologies. - Introducing a method for changing a present product platform to incorporate new technologies The method addresses a number of different factors regarding the new technology, e.g. its maturity level, in order to assess the appropriate course of action to safely use the technology in the existing platform. The approach is illustrated using a case from the aerospace industry covering the implementation of water-cooling technology as a means to increase the performance of a jet engine component.

  • 34.
    Löfving, Malin
    et al.
    Jönköping University, School of Engineering, JTH. Research area Industrial Production.
    Melander, Anders
    Jönköping University, Jönköping International Business School, JIBS, ESOL (Entrepreneurship, Strategy, Organization, Leadership).
    Andersson, David
    Träcentrum, Nässjö.
    Elgh, Fredrik
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Thulin, Mikael
    Träcentrum, Nässjö.
    Initiation of Hoshin Kanri in SMEs using a tentative process2015In: 22nd International Annual EurOMA Conference EurOMA15, Neuchâtel, Switzerland, 26 Jun-1 Jul, 2015., 2015Conference paper (Refereed)
    Abstract [en]

    Hoshin Kanri is a management method supporting strategic work. In spite of a number of Hoshin Kanri success stories in large organizations, little research attention are given to SMEs. This research encourages an increased focus on Hoshin Kanri in SMEs. In this paper a tentative process for the initiation of Hoshin Kanri in SMEs is outlined. We also identify factors influencing the initiation of Hoshin Kanri in SMEs based on findings from eight case studies. The result shows that the initiation of Hoshin Kanri varied in the case studies as the factors enable or hinder the initiation of Hoshin Kanri.

  • 35.
    Löfving, Malin
    et al.
    Jönköping University, School of Engineering, JTH. Research area Industrial Production.
    Melander, Anders
    Jönköping University, Jönköping International Business School, JIBS, ESOL (Entrepreneurship, Strategy, Organization, Leadership).
    Andersson, David
    Träcentrum.
    Elgh, Fredrik
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Thulin, Mikael
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Introducing the Hoshin Kanri approach in small and medium sized companies2014Conference paper (Other academic)
    Abstract [en]

    In order to grow, small and medium-sized enterprises (SMEs) have to balance the inherent flexibility of the small firm with formal work division and administrative routines. This balancing is apparent in SME’s approach to strategy work. In order to address this need of balancing in strategy work we in this paper introduce the Hoshin Kanri approach to the SME context. Based on an extensive literature review we identify the principles of Hoshin Kanri and develop an adapted approach to small and medium sized companies. Finally we report on the lessons learnt after initiating the adapted approach in four SMEs.

  • 36.
    Löfving, Malin
    et al.
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Production.
    Melander, Anders
    Jönköping University, Jönköping International Business School, JIBS, Business Administration. Jönköping University, Jönköping International Business School, JIBS, Center for Family Enterprise and Ownership (CeFEO).
    Elgh, Fredrik
    Jönköping University, School of Engineering, JTH, Product Development. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Andersson, David
    Träcentrum.
    Thulin, Mikael
    Träcentrum.
    Leadership characteristics and Hoshin Kanri in small and medium sized enterprises2016Conference paper (Refereed)
    Abstract [en]

    This paper aims at contribute to an understanding of how present leadership characteristics influence the implementation of HK in manufacturing SMEs. The research is based around two case companies where the ideas of HK was implemented in an action research project. The leadership characteristics associated with HK include characteristics such as supporting, coaching, challenging, involving top management and co-workers. The findings show that HK leadership characteristics have similarities with lean leadership and developmental leadership characteristics. The two cases have successfully began to implement HK and the CEO’s in both cases have a present leadership style resembling of developmental leadership.

  • 37.
    Melander, Anders
    et al.
    Jönköping University, Jönköping International Business School, JIBS, Center for Family Enterprise and Ownership (CeFEO).
    Löfving, Malin
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Production.
    Andersson, David
    Träcentrum, Sweden.
    Elgh, Fredrik
    Jönköping University, School of Engineering, JTH, Product Development. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Thulin, Mikael
    Träcentrum, Sweden.
    Introducing the Hoshin Kanri strategic management system in manufacturing SMEs2016In: Management Decision, ISSN 0025-1747, E-ISSN 1758-6070, Vol. 54, no 10, 2507-2523 p.Article in journal (Refereed)
    Abstract [en]

    Purpose – The purpose of this paper is to explore the basic principles and introduction of the Hoshin Kanri (HK) strategic management system, as related to the management practices in manufacturing small- and medium-sized enterprises (SMEs).

    Design/methodology/approach – This paper reports the findings from the introduction of HK to four manufacturing SMEs by following an assistance support-based research approach where teams of coaches and researchers observed and learned from the introduction phase. The overall design of the project is theory building and learning oriented.

    Findings – It is suggested that the successful introduction of a strategic management system in manufacturing SMEs has to balance the inherent level of formalization therein, with the individual company’s management practices. Based on HK as the strategic management system, pDCA is proposed as an alternative approach to the introduction, matching differences in management practices.

    Research limitations/implications – The explorative nature of this research provides room for subsequent studies by elaborating the knowledge on the introduction of strategic management systems in SMEs.

    Practical implications – Awareness of the existing managerial practices is essential when introducing a new strategic management system in manufacturing SMEs. Such awareness is the starting point of customizing the introduction, so that proper levels of engagement and flexibility can be balanced with increasing systematic formalization, and optimized adequacy.

    Originality/value – Following an assistance support-based research approach the result of this research project is summarized in the iterative pDCA model emphasizing engagement and flexibility when incrementally introducing strategic management systems in SMEs. This model addresses a hitherto under-researched topic in strategic management.

  • 38.
    Nan, Jie
    et al.
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Li, Qian
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Design Automation System-Supporting Documentation and Management2012Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    During the practical use of Design Automation (DA) System in a company, the lack of assistance from either documentation work about the whole system or management of knowledge could bring out some obstacles when engineers reuse existing knowledge and information. The purpose of this project is to explore an approach of documentation and knowledge management in DA System. The study is mainly based on the actual case of seat heater DA system developed by JTH.

    Based on preset functional requirement for the potential solution, several principles and methods of documentation and knowledge management are introduced such as MOKA, CommonKADS, SysML and PVM. A number of useful applications such as DRed (Design Rationale Editor), PC PACK, Sementic MediaWiki and Product Model Manager became candidates solutions for this project. The selection of final approach was Sementic MediaWiki, and this is based on the comparison of the result from evaluation of functionality of each application.

    Due to specificity of documentation on the DA system, the “process based” approa­ch­ had been used for structuring system included knowledge instead of using a systematical method like either MOKA or CommonKADS completely. Setting up interconnection between different knowledge objects was one of the most important tasks in this project because it enables capturing and retrieving of knowledge.

    Sementic MediaWiki, a powerful text representative and web-based tool has been used as a platform of representing the whole knowledge and information. With its implementation, the performance of Sementic MediaWiki had been tested accor­ding to the preset functional requirement. After a slight refine process to the solution, the satisfactory result had been achieved, and also proved the applicability of Sementic Wiki in such kind of project.

  • 39.
    Olofsson, Jakob
    et al.
    Jönköping University, School of Engineering, JTH, Materials and Manufacturing. Jönköping University, School of Engineering, JTH. Research area Materials and manufacturing – Casting.
    Salomonsson, Kent
    Jönköping University, School of Engineering, JTH, Product Development. Jönköping University, School of Engineering, JTH. Research area Product Development - Simulation and Optimization.
    Johansson, Joel
    Jönköping University, School of Engineering, JTH, Product Development. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Amouzgar, Kaveh
    University of Skövde, Sweden.
    A methodology for microstructure-based structural optimization of cast and injection moulded parts using knowledge-based design automation2017In: Advances in Engineering Software, ISSN 0965-9978, E-ISSN 1873-5339, Vol. 109, 44-52 p.Article in journal (Refereed)
    Abstract [en]

    The local material behaviour of cast metal and injection moulded parts is highly related to the geometrical design of the part as well as to a large number of process parameters. In order to use structural optimization methods to find the geometry that gives the best possible performance, both the geometry and the effect of the production process on the local material behaviour thus has to be considered.

    In this work, a multidisciplinary methodology to consider local microstructure-based material behaviour in optimizations of the design of engineering structures is presented. By adopting a knowledge-based industrial product realisation perspective combined with a previously presented simulation strategy for microstructure-based material behaviour in Finite Element Analyses (FEA), the methodology integrates Computer Aided Design (CAD), casting and injection moulding simulations, FEA, design automation and a multi-objective optimization scheme into a novel structural optimization method for cast metal and injection moulded polymeric parts. The different concepts and modules in the methodology are described, their implementation into a prototype software is outlined, and the application and relevance of the methodology is discussed.

    The full text will be freely available from 2019-03-25 08:00
  • 40.
    Pabolu, Venkata Krishna Rao
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    DFM – Weldability analysis and system development2015Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    This thesis work is mainly focused on the processes involved in manufacturing of aircraft engine components. The processes are especially about welding and welding methods. The basics of welding and the thesis support has been taken from the GKN Aerospace Sweden AB, a global aerospace product supplier.  The basic objective of this thesis work is to improve the usability of an automation system which is developed for evaluating the weldability of a part. A long run maintainability aspect of this automation system has been considered.

    The thesis work addresses the problems arising during the usage of a computerised automated system such as process transparency, recognisability, details traceability and other maintenance aspects such as maintainability and upgradability of the system in the course of time.

    The action research methodology has been used to address these problems.  Different approaches have been tried to finding the solution to those problems. A rule based manufacturability analysis system has been attempted to analyse the weldability of a component in terms of different welding technics.

    The software “Howtomation” has been used to improve the transparency of this analysis system. User recognisability and details tractability have been taken into account during the usage of a ruled based analysis system. The system attributes such as maintainability, upgradability, adaptiveness to modern welding methods has been addressed. The system suitability for large scale analysis has been considered.

  • 41.
    Pabolu, Venkata Krishna Rao
    et al.
    Jönköping University, School of Engineering.
    Stolt, Roland
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design. Jönköping University, School of Engineering, JTH, Product Development.
    Johansson, Joel
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design. Jönköping University, School of Engineering, JTH, Product Development.
    Manufacturability Analysis for Welding: A Case Study Using Howtomation© Suite2016In: Transdisciplinary Engineering: Crossing Boundaries / [ed] Milton Borsato, Nel Wognum, Margherita Peruzzini, Josip Stjepandić and Wim J.C. Verhagen, IOS Press, 2016, 695-704 p.Conference paper (Refereed)
    Abstract [en]

    This paper is a summary of master thesis written in the fall of 2015 in the department of Product Development in Jonkoping University in Sweden as a part of a research project with focus on the implementation and management of systems for design automation and design for manufacturing. It includes an implementation with the aim of enhancing a system currently in operation at an aerospace supplier. The system is used for multi-objective design analysis in the early phases of product development. The analysis involves both the performance of the jet engines components as well as their manufacturability. The work is focused on the weldability assessment, based on available weld methods and the weld capabilities of the company. A number of rules for analysing the weldability are proposed. To keep this knowledge transparent, traceable and updatable it is managed by a novel software called Howtomation© Suite which is a forward chaining inferencing engine. The proposed framework enables a weldability index and welding cost guide to be derived, helping the designers choose appropriate weld method in early design stages.

  • 42.
    Poorkiany, Morteza
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Support Maintenance of Design Automation Systems - A Framework to Capture, Structure and Access Design Rationale2015Licentiate thesis, comprehensive summary (Other academic)
    Abstract [en]

    The ability to innovate and launch customized products that are well matched to customer demands is a competitive factor for many manufacturing companies. Development of highly customized products requires following an engineer-to-order business process to allow the products to be modified or adapted to new customers’ specifications, which brings more value to the customer and profit to the company.

    Design of a new product variant involves a large amount of repetitive and time consuming tasks but also information handling activities that are sometimes beyond human capabilities. Such work that does not rely so much on creativity can be carried out more efficiently by applying design automation systems. Design automation stands out as an effective means of cutting costs and lead time for a range of well-defined design activities and is mainly considered as a computer-based tool that processes and manipulates the design information.

    Adaptation and variant design usually concern generating a new variant of a basic design, which has been developed and proved previously, according to new customer’s demands. In order to efficiently generate a new variant, a deep understanding of the previous design is essential. Such understanding can be achieved by access to the design rationale explaining the reasons and justifications behind the design.

    Maintenance of design automation systems is essential to retain their usefulness over time and adapt them to new circumstances. New circumstances are, for example, introduction of new variants of existing products, changes in design rules in order to meet new standards or legislations, or changes in technology. To maintain a design automation system, updating the design knowledge (e.g. design rules) is required. Use of design rationale will normally become a necessity to allow a better understanding of the knowledge. Consequently, there is a need of principles and methods to enable capture, structure, and access design rationale.

    In this study, a framework for modeling design knowledge and managing design rationale in order to support maintenance of design automation systems is presented. Managing of design rationale concerns enabling capture, structure, and access to design rationale. In order to evaluate the applicability of the framework, the findings are tested through design automation systems in two case companies.

  • 43.
    Poorkiany, Morteza
    et al.
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Johansson, Joel
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Elgh, Fredrik
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    A Case Study on Implementing Design Automation: Identified Issues and Solution for Documentation2013In: 20th ISPE International Conference on Concurrent Engineering / [ed] Cees Bil, John Mo, Josip Stjepandić, Amsterdam: IOS Press, 2013, 324-332 p.Conference paper (Refereed)
    Abstract [en]

    Computer supported engineering design systems are used as support for designers by automating some tasks/activities of design process. From industrial aspect, implementation of a developed prototype system is a critical task. User acceptance is of high importance and strongly related to the access and understanding of the knowledge which requires a high level of system transparency. In addition, integration of the system in the environment or its compatibility with other systems/tools should be considered. Our experiences in industry show that two major issues are usually raised up during implementing a design automation system which are: documentation and organization. Documentation concerns the way of capturing, storing and distributing the information in systems, and organization concerns alignment of the system with other systems or tools as well as communication and collaboration among system participants and users. The focus of this paper is on documentation and the importance of reuse, design rationale and traceability is discussed. In order to align closely with industry practices, the thoughts are presented along with an on-going case study, where the development and analysis of roof racks for cars are being automated, and a number of challenges have been discussed. 

  • 44.
    Poorkiany, Morteza
    et al.
    Jönköping University, School of Engineering, JTH, Product Development. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Johansson, Joel
    Jönköping University, School of Engineering, JTH, Product Development. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Elgh, Fredrik
    Jönköping University, School of Engineering, JTH, Product Development. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    An explorative study on management and maintenance of systems for design and manufacture of customized products2016In: The 2016 IEEE International Conference on Industrial Engineering and Engineering Management / [ed] Kadarsah SURYADI, Budi HARTONO, T.M.A. ARI SAMADHI,Nan CHEN, Min XIE, 2016Conference paper (Refereed)
    Abstract [en]

    This paper addresses the issues regarding retrieve, reuse and update of design information in context of customized products and adaptive design. Capturing and representing design rationale during the development process has been identified as an important factor to support design of product variants. The study explores the development process from identifying customer requirements to production preparation in a case company which has long tradition in automating generation of design variants.  

  • 45.
    Poorkiany, Morteza
    et al.
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Johansson, Joel
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Elgh, Fredrik
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Capturing, structuring, and accessing design rationale across product design and FEA2016In: Product lifecycle management in the era of Internet of things: 12th IFIP WG 5.1 International Conference, PLM 2015, Doha, Qatar, October 19-21, 2015, revised selected papers / [ed] A. Bouras, B. Eynard, S. Foufou, K-D. Thoben, 2016, 387-396 p.Conference paper (Refereed)
    Abstract [en]

    Implementing design automation systems to automate repetitive and time consuming design tasks enables engineer-to-order manufacturers to perform custom engineering in minimum time. To maintain a design automation system, regular updating of design information and knowledge is necessary. Consequently, there is a need of principles and methods to support capturing and structuring associated knowledge, specially, design rationale. In this paper a method for capturing, structuring, and accessing to design rationale in order to support maintenance of design automation systems is presented. The method is tested through a design automation system that develops FEA (finite element analysis) models automatically. The results are evaluated in a case company which is a supplier to the automotive industry serving many brands and car models which each more or less requires a unique solution.

  • 46.
    Poorkiany, Morteza
    et al.
    Jönköping University, School of Engineering, JTH, Product Development. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Johansson, Joel
    Jönköping University, School of Engineering, JTH, Product Development. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Elgh, Fredrik
    Jönköping University, School of Engineering, JTH, Product Development. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Capturing, structuring and accessing design rationale in integrated product design and manufacturing processes2016In: Advanced Engineering Informatics, ISSN 1474-0346, E-ISSN 1873-5320, Vol. 30, no 3, 522-536 p.Article in journal (Refereed)
    Abstract [en]

    Developing customized products is the business case for many manufacturing companies striving to fulfill the customers’ specific needs. When manufacturing customized products it is often necessary to also develop corresponding customized manufacturing tooling. There is a need to support concurrent development of new product variants along with their manufacturing toolsets. The communication between design engineers and manufacturing engineers is hence a key issue that if solved would enable design engineers to foresee how changes in product design affect tooling design and vice versa. To understand the correlation between the design of a product and its corresponding manufacturing tools, access to design rationale of the product and the developed tooling is required. Design rationale provides an explanation of why an artifact is designed in the way it is, including statements (textual, numerical or geometrical), argumentations, and decisions. Since design rationale is composed of information scattered all across the company's repositories in different formats (e.g. in type of a geometry, picture, table, and textual document), representing the design rationale is a challenge for many enterprises. In this paper a method is introduced that enables capture, structure and access to design rationale across product design and tooling design. The system enables representing design rationale in formats such as CAD models, spreadsheets, textual formats, and web pages. The method has been examined by developing a prototype system tested in a case company which develops and manufactures customized car accessories, such as roof racks and bike carriers, for different car models. The company develops and manufactures the products as well as the required tooling equipment. The prototype system includes different software commonly used by engineers during designing a product, for the purpose of making it applicable for other companies.

    The full text will be freely available from 2018-08-01 00:00
  • 47.
    Poorkiany, Morteza
    et al.
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design. Jönköping University, School of Engineering, JTH, Product Development.
    Johansson, Joel
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design. Jönköping University, School of Engineering, JTH, Product Development.
    Elgh, Fredrik
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design. Jönköping University, School of Engineering, JTH, Product Development.
    Support management of product families and the corresponding automation systems – A method to capture and share design rationale2017In: Proceedings of the 21st International Conference on Engineering Design / [ed] Anja Maier, Stanko Škec, Harrison Kim, Michael Kokkolaras, Josef Oehmen, Georges Fadel, Filippo Salustri, Mike Van der Loos, Vancouver, Canada, 2017, Vol. 6, 267-276 p.Conference paper (Refereed)
    Abstract [en]

    The ability to innovate and launch customized products that are well matched to customer demands is a competitive factor for many manufacturing companies. Development of highly customized products requires following an engineer-to-order business process to tailor the products according to customers’ specifications, which brings more value to the customer and profit to the company. Using design automation systems to automate repetitive and time consuming design tasks enables the manufacturers to perform custom engineering in minimum time. To manage and maintain a product family and the corresponding automation systems, updating the design knowledge is required. Use of design rationale will normally become a necessity to allow a better understanding of the knowledge. Consequently, there is a need of principles and methods to enable capture and effectively share the design rationale. In this paper a method for capturing and sharing design rationale is presented. The results are evaluated in a case company which is a supplier of tooling for manufacturing industry.

  • 48.
    Poorkiany, Morteza
    et al.
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Johansson, Joel
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Elgh, Fredrik
    Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Supporting Tooling Design of Customized Products by Instant Access to Design Rationale2014In: The 6th International Swedish Production Symposium 2014 / [ed] Johan Stahre, Björn Johansson, Mats Björkman, 2014Conference paper (Refereed)
    Abstract [en]

    In an integrated product and production development environment, where changes in tooling design affect the product design and vice versa, access to design rationale of tooling would support concurrent development of new product variants and required tooling. This paper presents an information model that enables easy capture and access to the design rationale of toolings, moreover, supports tracing relevant information within different design software applications. A solution based on integrating SolidWorks, Microsoft Excel, and Microsoft Word has been developed and an industrial case study, where the system is introduced and evaluated is presented.

  • 49.
    Raudberget, Dag
    Jönköping University, School of Engineering, JTH, Mechanical Engineering. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design.
    Enabling Set-Based Concurrent Engineering in traditional product development2011Conference paper (Other academic)
    Abstract [en]

    Set-Based Concurrent Engineering is described as an effective methodology for product development, but is also hard to implement in companies using traditional development processes. This paper suggests a new way to introduce Set-Based Concurrent Engineering by combining its three principles with a modified morphological chart. A structured process with design templates is proposed and incorporated in a computer tool. The approach is evaluated by using information from an industrial case study. The result indicates that the principles of Set-based Concurrent Engineering can be implemented in a traditional development process by the proposed process and computer tool.

  • 50.
    Raudberget, Dag
    Jönköping University, School of Engineering, JTH, Product Development. Jönköping University, School of Engineering, JTH. Research area Product Development - Computer supported engineering design. Chalmers University of Technology.
    Industrial Application of Set-based Concurrent Engineering – Managing the design space by using Platform System Families2015Doctoral thesis, comprehensive summary (Other academic)
    Abstract [en]

    During product development, most of the customer value, as well as the cost and the quality of a product are defined. This key role of development in industry has led to an intense search for better ways to develop products, software, services and systems. Two development methodologies that have received positive attention for their efficiency are Set-Based Concurrent Engineering and platform-based design.

    This thesis presents the results of implementing the principles of Set-Based Concurrent Engineering (SBCE) in platform-based design as a means to improve the industrial product development. The contribution is a better understanding of SBCE and new ways to use its principles to support development processes. The results are developed in collaboration with industry and demonstrate that SBCE gives positive effects on many aspects of product development performance and on the resulting products. Further, it clarifies that SBCE has a distinctive way to manage the design space that promotes a thorough understanding of the important design parameters before committing to a specific design.

    Finally, this work presents a structured design process for managing the first phases of platform development. The studies in this thesis show that previous approaches in literature do not present methodological support for developing product architectures in the earliest stages of platform development. This work fills this void by introducing a new design methodology for modelling, assessing and narrowing down the architectural design space in the phases before embodiment. It allows exploration of more alternatives in the earliest phases of development, which ultimately may produce better designs. 

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