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Publications (10 of 39) Show all publications
Kebede, R. Z., Moscati, A., Tan, H. & Johansson, P. (2023). Circular economy in the built environment: a framework for implementing digital product passports with knowledge graphs. In: Proceedings of the 2023 European Conference on Computing in Construction and the 40th International CIB W78 Conference: . Paper presented at 2023 European Conference on Computing in Construction and the 40th International CIB W78 Conference, Crete, Greece, 10-12 July, 2023. European Council on Computing in Construction
Open this publication in new window or tab >>Circular economy in the built environment: a framework for implementing digital product passports with knowledge graphs
2023 (English)In: Proceedings of the 2023 European Conference on Computing in Construction and the 40th International CIB W78 Conference, European Council on Computing in Construction , 2023Conference paper, Published paper (Refereed)
Abstract [en]

The built environment is heavily dependent on wasteful linear economic models and needs to transition to the circular economy (CE). One of the key enablers of CE is Digital Product Passports (DPPs). However, determining the necessary information and selecting suitable technologies remains to be challenging in practical implementations. This research aims to present a framework for implementing DPPs using Knowledge Graphs (KGs). A literature review was conducted to identify the key components of the framework. The result shows that the key elements encompass use cases identification, data collection, modelling, integration, governance, access and querying, and maintenance and updating.

Place, publisher, year, edition, pages
European Council on Computing in Construction, 2023
Keywords
Knowledge Graphs, Digital Product Passport, Circular Economy
National Category
Civil Engineering Computer Sciences
Identifiers
urn:nbn:se:hj:diva-62179 (URN)10.35490/EC3.2023.245 (DOI)2-s2.0-85177183715 (Scopus ID)978-0-701702-73-1 (ISBN)
Conference
2023 European Conference on Computing in Construction and the 40th International CIB W78 Conference, Crete, Greece, 10-12 July, 2023
Available from: 2023-08-17 Created: 2023-08-17 Last updated: 2023-11-29Bibliographically approved
Lindholm, J., Johansson, P. & Yitmen, I. (2023). Collaborative digital platform for integrated design and production planning and control: a literature review. In: Proceedings of the 2023 European Conference on Computing in Construction and the 40th International CIB W78 Conference: . Paper presented at 2023 European Conference on Computing in Construction and the 40th International CIB W78 Conference, Crete, Greece, 10-12 July, 2023. European Council on Computing in Construction
Open this publication in new window or tab >>Collaborative digital platform for integrated design and production planning and control: a literature review
2023 (English)In: Proceedings of the 2023 European Conference on Computing in Construction and the 40th International CIB W78 Conference, European Council on Computing in Construction , 2023Conference paper, Published paper (Refereed)
Abstract [en]

There is a lack of a cohesive, integrated approach to design and production planning and control, where real-time data can be captured to support various management functions in an interconnected autonomous platform for collaboration. This paper presents a systematic literature review on collaborative digital platforms for BIM-based projects to facilitate synchronous updates of workflows based on real-time project data. The results show that a combined model, including Knowledge Graphs, Common Data Environments, and Digital Twins have potential to support a fully integrated, automated system. Future studies should therefore investigate how to connect these technologies together in an integrated project platform.

Place, publisher, year, edition, pages
European Council on Computing in Construction, 2023
Keywords
Design and production planning and control, Collaborative Digital Platform, Knowledge Graph, Common Data Environments, Digital Twin
National Category
Construction Management
Identifiers
urn:nbn:se:hj:diva-62389 (URN)10.35490/EC3.2023.203 (DOI)2-s2.0-85177185052 (Scopus ID)978-0-701702-73-1 (ISBN)
Conference
2023 European Conference on Computing in Construction and the 40th International CIB W78 Conference, Crete, Greece, 10-12 July, 2023
Available from: 2023-09-05 Created: 2023-09-05 Last updated: 2023-11-29Bibliographically approved
Moscati, A., Johansson, P., Kebede, R. Z., Pula, A. & Törngren, A. (2023). Information Exchange between Construction and Manufacturing Industries to Achieve Circular Economy: A Literature Review and Interviews with Swedish Experts. Buildings, 13(3), Article ID 633.
Open this publication in new window or tab >>Information Exchange between Construction and Manufacturing Industries to Achieve Circular Economy: A Literature Review and Interviews with Swedish Experts
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2023 (English)In: Buildings, E-ISSN 2075-5309, Vol. 13, no 3, article id 633Article, review/survey (Refereed) Published
Abstract [en]

The construction industry is responsible for 32% of the world’s consumption of natural resources, causing 850 million tons of construction waste in the European Union alone. The construction and manufacturing industries mostly apply a linear economy model, where resources are used once and then disposed of. As a response, the concept of a circular economy (CE) was introduced with the aim of keeping materials within a closed loop and regaining their value in the end-of-life phase. This paper aims to investigate the different CE strategies in the construction industry and the related manufacturing industry and how these strategies can be supported by digital technology. The 11Rs framework has been used as a reference within the concept of CE through a scoping literature review, in which 117 articles were reviewed. The analysis focused on the frequency of the various Rs in papers, as well as their applications and possible implementation. Seven interviews were conducted with Swedish experts to obtain industry perspectives and thereby specify a potential research gap related to CE. According to the study, existing research for the application of CE by construction companies has not been fully explored. There is also a lack of knowledge about CE and its benefits, as well as poor collaboration between different stakeholders, both in information sharing and processes. Findings suggest that all stakeholders in the industries need to make efforts to change their strategies if the transition to CE is to occur.

Place, publisher, year, edition, pages
MDPI, 2023
Keywords
circular economy, 11Rs, construction industry, manufacturing industry, information exchange
National Category
Construction Management Production Engineering, Human Work Science and Ergonomics
Identifiers
urn:nbn:se:hj:diva-59942 (URN)10.3390/buildings13030633 (DOI)000957685500001 ()2-s2.0-85151649212 (Scopus ID)GOA;;863354 (Local ID)GOA;;863354 (Archive number)GOA;;863354 (OAI)
Funder
Vinnova, 2021-03668
Available from: 2023-03-01 Created: 2023-03-01 Last updated: 2024-01-17Bibliographically approved
Johansson, P. (2023). MAP4Sustainabilty: Summering av förstudie - Utbyte av produktinformation mellan tillverkningsindustrin och byggindustrin för ökad hållbarhet. Växjö: Smart Housing Småland
Open this publication in new window or tab >>MAP4Sustainabilty: Summering av förstudie - Utbyte av produktinformation mellan tillverkningsindustrin och byggindustrin för ökad hållbarhet
2023 (Swedish)Report (Other academic)
Abstract [sv]

Samhällsbyggnadssektorn är den största enskilda sektorn i de flesta länder och en viktig handelspartner för tillverkningsindustrin. De komplexa produkterna som samhällsbyggnadssektorn producerar och förvaltar består till övervägande del av produkter som realiseras av tillverkningsindustrin. Idag finns det ett ökat tryck på både tillverkningsindustrin och samhällsbyggnadssektorn att bli mer hållbara och stödja omställningen till cirkulär ekonomi. För att göra en sådan omställning möjlig behöver informationsöverföringen mellan samhällsbyggnadssektorn och tillverkningsindustrin förbättras. Syftet med denna förstudie var att skapa ett förslag till en synergi med tre nya forskningsprojekt. Förslag på forskningsprojekt har utarbetats och diskuterats med företagsrepresentanter. Tidigt i förstudien klargjordes att synergiansökan kommer skickas under 2024, vilket i sin tur resulterar i en förbättrad tidplan än den som beskrevs vid ansökan av förstudien till Smart Housing Småland (SHS). Det extra utrymmet har utnyttjats till att, i samarbete med näringslivet, ta fram två strategiska projekt inom området för synergin. Ett av dessa projekt har redan beviljats och arbetet i projektet har påbörjats. Det andra projektet håller på att utformas och kommer sannolikt beviljas eftersom projektet initierats av finansiären. Med dessa projekt som grund fortsätter arbetet med synergin, och målet nu är att starta 2 strategiska projekt samt 3 projekt inom ramen för synergin.

Place, publisher, year, edition, pages
Växjö: Smart Housing Småland, 2023. p. 10
Series
SHS Rapport
National Category
Environmental Analysis and Construction Information Technology
Identifiers
urn:nbn:se:hj:diva-62680 (URN)
Available from: 2023-10-17 Created: 2023-10-17 Last updated: 2023-10-17Bibliographically approved
Johansson, P., Fischl, G. & Hammar, K. (2023). Occupancy assessment for lighting evaluation using Digital Twin technology. In: E. Hjelseth, S. F. Sujan & R. J. Scherer (Ed.), ECPPM 2022 - eWork and eBusiness in Architecture, Engineering and Construction 2022: Proceedings of the 14th European Conference on Product and Process Modelling (ECPPM 2022), September 14-16, 2022, Trondheim, Norway. Paper presented at ECPPM 2022, The 14th European Conference on Product and Process Modelling 2022, 14-16 September 2022, Trondheim, Norway (pp. 535-542). Abingdon: CRC Press
Open this publication in new window or tab >>Occupancy assessment for lighting evaluation using Digital Twin technology
2023 (English)In: ECPPM 2022 - eWork and eBusiness in Architecture, Engineering and Construction 2022: Proceedings of the 14th European Conference on Product and Process Modelling (ECPPM 2022), September 14-16, 2022, Trondheim, Norway / [ed] E. Hjelseth, S. F. Sujan & R. J. Scherer, Abingdon: CRC Press, 2023, p. 535-542Conference paper, Published paper (Refereed)
Abstract [en]

The amount of information on evidence-based design in lighting is mounting, however the facility managers, lighting designers, and researchers are struggling with an implementation of an efficient post-occupancy evaluation system. This research aims to establish a method for Digital Occupancy Assessment for Lighting Evaluation (DOALE) to strengthen evidence-based lighting research supporting value generation for stakeholders. A prototype has been implemented using Azure Digital Twin and the RealEstateCore ontology to investigate how an ontology and a commercial platform, developed to facilitate data integration for smart buildings, can be used for occupancy assessment. The prototype was evaluated using a post occupancy evaluation session where data concerning environmental factors (temperature, illuminance) and data concerning occupants (motion, galvanic skin response, and heart rate) were gathered. Questionnaires concerning occupancy perception were also carried out using mobile technology. Several interviews/discussions were also conducted with the lighting researchers using the prototype to perform the POE. The result indicates that it is possible to use current commercial digital twin technology to implement a post-occupancy evaluation system, but the technology is at present so complex that it is hard for a lighting researcher to adopt the system.

Place, publisher, year, edition, pages
Abingdon: CRC Press, 2023
National Category
Building Technologies Computer Sciences
Identifiers
urn:nbn:se:hj:diva-59432 (URN)2-s2.0-85160434372 (Scopus ID)978-1-032-40673-2 (ISBN)978-1-032-40674-9 (ISBN)978-1-003-35422-2 (ISBN)
Conference
ECPPM 2022, The 14th European Conference on Product and Process Modelling 2022, 14-16 September 2022, Trondheim, Norway
Available from: 2023-01-23 Created: 2023-01-23 Last updated: 2023-06-07Bibliographically approved
Merschbrock, C., Onstein, E., Danielsen, P. & Johansson, P. (2023). Same same, but different – or how construction informatics gets taught atuniversities in Norway and Sweden. In: E. Hjelseth, S. F. Sujan & R. J. Scherer (Ed.), ECPPM 2022 - eWork and eBusiness in Architecture, Engineering and Construction 2022: Proceedings of the 14th European Conference on Product and Process Modelling (ECPPM 2022), September 14-16, 2022, Trondheim, Norway. Paper presented at ECPPM 2022, The 14th European Conference on Product and Process Modelling 2022, 14-16 September 2022, Trondheim, Norway (pp. 662-668). Abingdon: CRC Press
Open this publication in new window or tab >>Same same, but different – or how construction informatics gets taught atuniversities in Norway and Sweden
2023 (English)In: ECPPM 2022 - eWork and eBusiness in Architecture, Engineering and Construction 2022: Proceedings of the 14th European Conference on Product and Process Modelling (ECPPM 2022), September 14-16, 2022, Trondheim, Norway / [ed] E. Hjelseth, S. F. Sujan & R. J. Scherer, Abingdon: CRC Press, 2023, p. 662-668Conference paper, Published paper (Refereed)
Abstract [en]

In response to the increasing demand for construction informatics (CI) expertise, universities inthe Nordic countries have developed new educational offers. This study explores how CI related education is being delivered by three different universities, two in Norway and one in Sweden. By comparing curricula and interviewing CI teachers, this paper contributes to the recent debate on the international standardization of CI competence by providing a Scandinavian view. The paper uses a pedagogical framework for hybrid teaching identifying which different “Scandinavian” aspects of CI-based work are focused on education. The results illustrate how all universities provide core competencies for digital work in projects, but their emphasis differs. What all CI education, sampled in this paper, had in common is a strong emphasis on the socio-technical aspects of CI as well the hands-on technical aspects of BIM. It can be reasonably claimed that a more Scandinavian approach to CI education could further inform the standardization of BIM competence. Moreover, this integrated approach appears well suited for creating student engagement and for turning construction into a modern sector of the economy.

Place, publisher, year, edition, pages
Abingdon: CRC Press, 2023
Keywords
Building Information Modeling, education, project-based learning, collaborative learning
National Category
Building Technologies Information Systems Pedagogy
Identifiers
urn:nbn:se:hj:diva-59439 (URN)2-s2.0-85160437794 (Scopus ID)978-1-032-40673-2 (ISBN)978-1-032-40674-9 (ISBN)978-1-003-35422-2 (ISBN)
Conference
ECPPM 2022, The 14th European Conference on Product and Process Modelling 2022, 14-16 September 2022, Trondheim, Norway
Available from: 2023-01-25 Created: 2023-01-25 Last updated: 2023-06-07Bibliographically approved
Tabbah, A., Aries, M., Moscati, A. & Johansson, P. (2023). Simulation workflows in multi-objective lighting design optimisation for human well-being and building performance metrics: a scoping review. In: Journal of Physics: Conference Series, Volume 2600, Daylighting & electric lighting: . Paper presented at CISBAT International Conference, 13-15 September, 2023, Lausanne, Switzerland. Institute of Physics (IOP), 2600(11), Article ID 112013.
Open this publication in new window or tab >>Simulation workflows in multi-objective lighting design optimisation for human well-being and building performance metrics: a scoping review
2023 (English)In: Journal of Physics: Conference Series, Volume 2600, Daylighting & electric lighting, Institute of Physics (IOP), 2023, Vol. 2600, no 11, article id 112013Conference paper, Published paper (Refereed)
Abstract [en]

Lighting in the built environment has effects on different aspects, ranging from building performance in terms of costs and energy consumption to human well-being in terms of thermal comfort, visual effects, and beyond-vision effects. Buildings optimised for specific performance metrics rarely consider performance aspects simultaneously, leading to sub-optimised, unbalanced, or non-trade-off solutions. Therefore, multi-objective optimisation has been more commonly used to overcome conflicting performance objectives. Recently, metrics to quantify light effects beyond vision became available, but it is unclear if and how they are integrated with other existing building performance metrics. A scoping review investigated the state-of-art in multi-objective lighting design optimisation regarding building performance and human well-being focusing on performance metrics, simulation workflows, and the overall information flow. The search in Scopus and Web of Science databases resulted in 89 journal articles and conference papers, and the 21 papers reaching the highest optimisation level were discussed. The information extracted was categorised into optimisation metrics, levels, and design variables. The results show that none of the papers combines visual and beyond-vison effects with other building performance metrics.

Place, publisher, year, edition, pages
Institute of Physics (IOP), 2023
Series
Journal of Physics: Conference Series, ISSN 1742-6588, E-ISSN 1742-6596 ; 2600
National Category
Architectural Engineering Building Technologies
Identifiers
urn:nbn:se:hj:diva-63005 (URN)10.1088/1742-6596/2600/11/112013 (DOI)2-s2.0-85180151874 (Scopus ID)
Conference
CISBAT International Conference, 13-15 September, 2023, Lausanne, Switzerland
Funder
Swedish Energy Agency, P45185
Available from: 2023-12-06 Created: 2023-12-06 Last updated: 2024-01-12Bibliographically approved
Kebede, R. Z., Moscati, A., Tan, H. & Johansson, P. (2022). Integration of manufacturers' product data in BIM platforms using semantic web technologies. Automation in Construction, 144, Article ID 104630.
Open this publication in new window or tab >>Integration of manufacturers' product data in BIM platforms using semantic web technologies
2022 (English)In: Automation in Construction, ISSN 0926-5805, E-ISSN 1872-7891, Vol. 144, article id 104630Article in journal (Refereed) Published
Abstract [en]

As building information modeling (BIM) gains popularity in the architecture, engineering, and construction (AEC) industry, manufacturers are required to distribute their product specifications in digital product models. Currently, manufacturers mainly employ proprietary formats, such as BIM objects supplemented by PDF documents to represent their product data descriptions. However, these formats do not support flexible automated product search and data integration. This paperdescribes the use of Semantic Web technologies in combination with BIM-based visual programming language (VPL) to automatically integrate product data from external databases. To facilitate data integration, we introduced a method to semantically represent product data linked with the CEN/TS 17623:2021 standard using ontologies in web ontology language (OWL). The study has focused on the use case of a manufacturer of lighting products. Results show that building designers are able to execute a more efficient product search that satisfies their query requirements and returns suitable products of their choice from the manufacturer's database based on their requests. This approach eliminates the time-consuming and error-prone process of manually entering product data into BIM software.

Place, publisher, year, edition, pages
Elsevier, 2022
Keywords
BIM, Information exchange, Product Data, Semantic Web technologies, Linked Data, Dynamo, Visual programming language, Standards
National Category
Building Technologies Language Technology (Computational Linguistics)
Identifiers
urn:nbn:se:hj:diva-56002 (URN)10.1016/j.autcon.2022.104630 (DOI)000878542300002 ()2-s2.0-85140790514 (Scopus ID)HOA;;1642671 (Local ID)HOA;;1642671 (Archive number)HOA;;1642671 (OAI)
Note

Included in thesis in manuscript form.

Available from: 2022-03-07 Created: 2022-03-07 Last updated: 2023-08-17Bibliographically approved
Gustavsson, A., Valtersson, M., Merschbrock, C. & Johansson, P. (2021). Exploring the utility of AR for quality inspections in timber-frame house production – A case study from Småland, Sweden. In: Proceedings of the 38th International Conference of CIB W78: . Paper presented at 38th International Conference of CIB W78, Luxembourg, 13-15 October (pp. 304-314).
Open this publication in new window or tab >>Exploring the utility of AR for quality inspections in timber-frame house production – A case study from Småland, Sweden
2021 (English)In: Proceedings of the 38th International Conference of CIB W78, 2021, p. 304-314Conference paper, Published paper (Refereed)
Abstract [en]

About 80% of new homes in Sweden are being built using prefabricated elements. This rate of prefabrication is the highest in the world and the manufacturing of timber-frame homes has become a modern sector of the economy in Sweden. Information, and communication technology (ICT) has long played a key role in industrializing the wood-based building industry and novel ICT, like augmented reality, are believed to provide new opportunities. It is in this context that we explore how artificial reality solutions can be applied to improve the quality assurance process in a company producing prefabricated homes in Småland, Sweden. The research question asked in this study is: How can augmented reality be successfully applied to support quality assurance practice in the wood-based building industry? This question warrants investigation since improving quality assurance in house manufacturing not only improves products but also increases customer satisfaction. To investigate this question, we conduct a case study in a company where we set up a quasi-experiment with five quality assurance professionals using Microsoft’s HoloLens displaying production data. To make sense of their experiences, we conducted a series of semi-structured de-briefing interviews. Moreover, for understanding how AR can be successfully deployed in quality assurance we apply the design science research method. Findings are that the success of using AR in quality assurance depends on the quality of information displayed on the system, the geolocation of the models, the quality of the software and hardware used, and the ruggedness of the devices. We claim to have provided a range of valuable practical and theoretical contributions transferable to other construction companies seeking to apply augmented reality in their quality assurance routines.

Keywords
Augmented reality, wood-based building, quality assurance
National Category
Building Technologies Human Computer Interaction
Identifiers
urn:nbn:se:hj:diva-54960 (URN)
Conference
38th International Conference of CIB W78, Luxembourg, 13-15 October
Available from: 2021-10-27 Created: 2021-10-27 Last updated: 2021-10-27Bibliographically approved
Xue, R., Moscati, A., Kebede, R. Z. & Johansson, P. (2021). Information Exchange Process Analysis between Authoring Design Tools and Lighting Simulation Tools. In: : . Paper presented at ICCIBIM 2021: International Conference on Construction Informatics and Building Information Modeling, Singapore, July 5-6, 2021.
Open this publication in new window or tab >>Information Exchange Process Analysis between Authoring Design Tools and Lighting Simulation Tools
2021 (English)Conference paper, Oral presentation with published abstract (Refereed)
Abstract [en]

Successful buildings’ simulation and analysis inevitably require information exchange between multiple building information modeling (BIM) software. The BIM information exchange based on IFC is widely used. However, Industry Foundation Classification (IFC) files are not always reliable and information can get lost when using different software for modeling and simulations. In this research, interviews with lighting simulation experts and a case study provided by a company producing lighting devices have been the research methods used to identify the necessary steps and data for successful information exchange between lighting simulation tools and authoring design tools. Model creation, information exchange, and model simulation have been identified as key aspects for the success of information exchange. The paper concludes with recommendations for improved information exchange and more reliable simulations that take all the needed parameters into consideration.

Keywords
BIM, data exchange, interoperability issues, lighting simulations
National Category
Construction Management
Identifiers
urn:nbn:se:hj:diva-54743 (URN)
Conference
ICCIBIM 2021: International Conference on Construction Informatics and Building Information Modeling, Singapore, July 5-6, 2021
Available from: 2021-09-27 Created: 2021-09-27 Last updated: 2023-08-17Bibliographically approved
Organisations
Identifiers
ORCID iD: ORCID iD iconorcid.org/0000-0003-4216-9165

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