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  • 1.
    Berg, Magnus
    et al.
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Engineering and Management.
    Fjällström, Sabina
    Stahre, Johan
    Säfsten, Kristina
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Engineering and Management.
    Production ramp-up in the manufacturing industry: Findings from a case study2005In: Proceedings of the 3rd International Conference on Reconfigurable Manufacturing, Ann Arbor, MI, US., 2005Conference paper (Refereed)
    Abstract [en]

    The paper presents a case study investigating critical factors affecting production ramp-up. The study was performed in an assembly line of a medium-size Swedish manufacturing company. The context and performance during ramp-up was analyzed. Empirical findings indicate that ramp-up performance depends to a large extent on how earlier phases of the product realization process have been carried out. Specifically, supplier choice, relationships with suppliers, involvement of personal, verification of the match between product and process, resource allocation for critical processes, as well as training of assembly personnel seem to have major impact on performance during production ramp-up.

  • 2.
    Bruch , Jessica
    et al.
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Karltun , Johan
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Johansson , Christer
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Stahre, Johan
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Towards a Methodology for the Assessment of Information Requirements in a Proactive Assembly Work Setting2008In: Swedish Production Symposium, November 18-20, 2008, 2008, p. 311-318Conference paper (Refereed)
    Abstract [en]

    Assembly work settings enabling proactive behaviour of the assembly operators are considered to be an important factor enabling customization of assembly work. As a consequence, access to necessary and essential information is a critical means to support proactive behaviour of assembly operators. In this paper we propose a methodology for assessing information requirements supporting operators’ proactive activities and decisions. The methodology is based on work domain analysis and it was used for assessing the information flow in a real assembly setting. By analysing the structure of information exchange and the hierarchical means-ends relationships a number of conclusions could be drawn. The first is that in order to consider information needed for all possible work activities, work domain analysis is a suitable approach. Additionally, proactive behaviour is related to the access to information answering why and what-questions. Furthermore, development towards more proactivity among assembly operators may necessitate decentralised decision-making. It is also concluded that in order to identify intentional constraints of an assembly system with increased proactivity, it is necessary to examine the levels of automation. Furthermore, to reach productivity gains the levels of competence must be developed so that most proactive decisions will remain on the skill- or rule-based levels.

  • 3. Dencker, Kerstin
    et al.
    Stahre, Johan
    Bruch, Jessica
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Gröndahl, Peter
    Johansson, Christer
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Lundholm, Thomas
    Mårtensson, Lena
    Proactive Assembly Systems: Realizing the Potential of Human Collaboration with Automation2007In: IFAC-CEA, 2007Conference paper (Refereed)
    Abstract [en]

    Manufacturing competitiveness highly depends on companies' ability to rapidly reconfigure their assembly systems. This paper introduces the concept of assembly system proactivity based on interrelated levels of human involvement in a planed way will contribute to increased system ability to proactively address predicted and unpredicted events. Correct involvement of human operators will utilize the full combined potential of human and technical capabilities, also providing cost-efficient assembly system solutions. The ProAct (project presented) will develop proactive assembly system models, evaluating proactive, feature-based solutions. Focus is on realizing the potential of semi-automated system with relevant human involvement, i.e. operators with high skills adding e.g. flexible capability and functionality.

  • 4.
    Frohm, Jörgen
    et al.
    PPU, CTH.
    Lindström, Veronica
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Production.
    Winroth, Mats
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Production.
    Stahre, Johan
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Production.
    The Industry's View on Automation in Manufacturing2006In: Poster at the 9th IFAC Symposium on Automated Systems Based on Human Skill and Knowledge, 2006Conference paper (Other (popular science, discussion, etc.))
    Abstract [en]

    Many manufacturing companies in Europe are presently focusing on automation as a weapon for competition on a global market. This paper focuses on industry’s view of automation. The paper presents data on advantages and disadvantages of automation, based on one pilot study and one Delphi study in two rounds.

  • 5.
    Säfsten, Kristina
    et al.
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Engineering and Management.
    Winroth, Mats
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Engineering and Management.
    Stahre, Johan
    The content and process of automation strategies2005Conference paper (Other academic)
    Abstract [en]

    Modern manufacturing systems are often semi-automated, i.e. integrating both manual and automated op-erations. Our studies show that decisions on how, and even if, automation should be realized often are taken in an ad hoc manner. Improved efficiency in production through automation could be achieved with better precision if a more conscious approach towards automation was used. We argue that it is essential to formulate explicit automation strategies, which will provide guidance to the appropriateness of automa-tion in different situations. Further, it should give advice as to the most suitable degree of automation needed. Two different perspectives on automation strategies have been identified through a literature re-view and empirical studies. The first perspective is when decisions concerning automation are treated as one of several decisions in a manufacturing strategy. The second perspective is when the overall manufac-turing strategy is equal to an automation strategy, i.e. the strategy is automation. The paper elaborates on the content and process of automation strategies, i.e. what must be included in a strategy and how is it formulated.

  • 6.
    Säfsten, Kristina
    et al.
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Engineering and Management.
    Winroth, Mats
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Engineering and Management.
    Stahre, Johan
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Engineering and Management.
    The content and process of automation strategies2007In: International Journal of Production Economics, ISSN 0925-5273, E-ISSN 1873-7579, Vol. 110, no 1-2, p. 25-38Article in journal (Refereed)
    Abstract [en]

    If automation is to support the competitiveness for a manufacturing company, strategic as well as operational issues need consideration. To best support competitiveness, decisions concerning automation should be treated as one of several decisions in a manufacturing strategy. Furthermore, to fully utilise the advantages from automation, the manufacturing strategy content and process needs refinement. In this paper improvement of the manufacturing strategy theory is suggested, mainly based on employment of human factors engineering.

  • 7.
    Winroth, Mats
    et al.
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Stahre, Johan
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Dynamiska Automationsnivåer2008In: Gjuteriet, ISSN 0017-0682, no 1, p. 24-25Article in journal (Other (popular science, discussion, etc.))
    Abstract [sv]

    Man måste veta varför man automatiserar och hur det kan bidra till konkurrensförmågan. Alltför låg automation ger till exempel låg prestanda och höga kostnader. En för hög automation leder bland annat till höga investeringskostnader och svårhanterliga produktionssystem. Ett lämpligt val av automationsnivå leder däremot till strategiska fördelar och konkurrenskraft.

  • 8.
    Winroth, Mats
    et al.
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Engineering and Management.
    Säfsten, Kristina
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Engineering and Management.
    Lindström, Veronica
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Engineering and Management.
    Frohm, Jörgen
    PPU, CTH.
    Stahre, Johan
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Engineering and Management.
    Automation Strategies: Refinement of Manufacturing Strategy Content2006Conference paper (Other academic)
    Abstract [en]

    Automated manufacturing systems are regarded as highly productive, which improves company’s competitiveness. Many companies consider automation as either fully automated or entirely manual. This is never true since there is always a combination of automated and manual tasks. The delicate issue is to choose the level of automation, LoA, which is best for the purpose. When planning and implementing automated manufacturing systems, a large number of issues need to be considered. Traditional manufacturing strategy theory however treats automation as one subset of process technology decision category. In our research we have come to the conclusion that automation decisions affect much more of the company’s operation activities. Thus, there is a need for developing the manufacturing strategy field in order to embrace relevant aspects/decisions in all of the decision categories. This paper aims at bridging the gap in traditional manufacturing strategy theory and highlights the additional decisions that are necessary in order to cover automation.

    The authors suggest a decision support tool that highlights the different actions that are needed when changing the level of automation in manufacturing systems.

  • 9.
    Winroth, Mats
    et al.
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Engineering and Management.
    Säfsten, Kristina
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Engineering and Management.
    Stahre, Johan
    Automation strategies: Existing theory or ad hoc solutions?2005In: POM 2005 : 16th Annual Conference Proceedings of POMS: "OM frontiers: winds of change" : Chicago, April 29 - May 2, 2005 : proceedings - full length papers., 2005Conference paper (Other academic)
    Abstract [en]

    Modern manufacturing systems are often semi-automated, i.e. integrating both manual and automated operations. How, and even if, automation should be realized are often ad hoc decisions and not based on structured decision making. This paper examines three approaches to automation decisions: top-down, bottom-up, and contingency. Top management initiates a top-down approach to automation of production. On the contrary, when the decision about automation stems from e.g. the operators, a bottom-up approach is applied. We propose a third way, the contingency approach, which links decisions regarding automation to manufacturing strategies and competitive priorities of the company. Making automation decisions is one of several decision areas that emerge as a consequence of choosing a certain type of production system. The paper discusses important factors for the success of different approaches. Different approaches are illustrated with examples from Swedish manufacturing industry.

  • 10.
    Winroth, Mats
    et al.
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Engineering and Management.
    Säfsten, Kristina
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Engineering and Management.
    Stahre, Johan
    Automation strategies: Existing theory or ad hoc solutions?2007In: International Journal of Manufacturing Technology and Management (IJMTM), ISSN 1368-2148, E-ISSN 1741-5195, Vol. 11, no 1, p. 98-114Article in journal (Refereed)
    Abstract [en]

    Automating manufacturing systems potentially improves competitiveness. Empirical studies show that the most successful result is achieved when decisions concerning automation are linked to the manufacturing strategies and competitive priorities of the company. It is suggested that automation is regarded as a separate decision group, within the manufacturing strategy content field.

  • 11.
    Winroth, Mats
    et al.
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Engineering and Management.
    Säfsten, Kristina
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Engineering and Management.
    Stahre, Johan
    Automation Strategies: Requirements on the Strategy Process2006In: The morphology of innovative manufacturing systems: 9th CIRP International Seminar on Manufacturing Systems / [ed] P Butala; G Hlebanja, 2006Conference paper (Other academic)
    Abstract [en]

    Automation is a way to improve competitiveness. Previous studies have shown that best results of automa-tion decisions are reached if decisions are integrated in the company’s manufacturing strategy. Automation decisions comprise much more than just the very choice to automate and many aspects need to be taken into account. In this article, we describe new demands that are raised on the strategy process when automa-tion is integrated in the manufacturing strategy. Furthermore, the implementation of automation strategies calls for a number of issues to take into consideration.

  • 12.
    Winroth, Mats
    et al.
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Engineering and Management.
    Säfsten, Kristina
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Engineering and Management.
    Stahre, Johan
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Engineering and Management.
    Granell, Veronica
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Engineering and Management.
    Frohm, Jörgen
    Chalmers Tekniska Högskola.
    Strategic automation: Refinement of classical manufacturing strategy2007Conference paper (Other academic)
    Abstract [en]

    Automated manufacturing systems are regarded as highly productive, thus improving company competitiveness. Many companies consider automation as either fully automated or entirely manual. Automation is however always a combination of automated and manual tasks. The problem is to choose the most appropriate level of automation at every occasion. Traditional manufacturing strategy theory treats automation as one subset of process technology decision category and thus the whole area has to be further developed. The authors suggest a new approach to automation that links strategy formulation to the different actions involved when changing the level of automation in manufacturing systems.

1 - 12 of 12
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