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  • 101.
    Bertoni, Marco
    et al.
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Carulli, Marina
    Politecnico di Milano.
    Rovida, Edoardo
    Politecnico di Milano.
    About the use of TRIZ for product-service development2009Ingår i: Design has never been this cool: ICED 09, the 17th International Conference on Engineering Design ; 24 - 27 August 2009, Stanford University, Stanford, California, USA ; proceedings volume / [ed] Margareta Norell Bergendahl, Glasgow: Design Research Society, 2009, s. 133-144Konferensbidrag (Refereegranskat)
    Abstract [en]

    The aim of this paper is to understand how the Theory of Inventor's Problem Solving (TRIZ) may be applied in the development of product-service combinations. The authors have analyzed TRIZ modules and tools under a PSS (Product Service System) perspective to extract some principles of particular interest for their development. Basing on the outcomes of such investigation, the authors propose a framework for the use of TRIZ-based tools in product-service design.

  • 102.
    Bertoni, Marco
    et al.
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Chirumalla, Koteshwar
    Engineering 2.0: leveraging a bottom-up and lightweight knowledge sharing approach in cross-functional product development teams2010Ingår i: Proceedings of I-KNOW 2010: 1-3 September 2010, Graz, Austria, 2010, s. 105-116Konferensbidrag (Refereegranskat)
    Abstract [en]

    This paper explores the application of Web 2.0 based technologies in the area of engineering product development. Growing on data collected from a case study in the Swedish manufacturing industry, the paper analyses the dichotomy between the prevailing hierarchical structure of CAD/PLM/PDM systems and the emerging principles of the Social Web, e.g. the self-organization of its users. It introduces the concept of Engineering 2.0, intended as a more bottom up and lightweight knowledge sharing approach supporting early stage design decisions within cross-functional product development teams. A set of scenarios related e.g. to the application of blogs, wikis, forums and tags in the engineering domain are eventuallypresented, highlighting opportunities, challenges and no-go areas.

  • 103.
    Bertoni, Marco
    et al.
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Chirumalla, Koteshwar
    Leveraging Web 2.0 in new product development: lesson learned from a company study2011Ingår i: Journal of universal computer science (Online), ISSN 0948-695X, E-ISSN 0948-6968, Vol. 17, nr 4, s. 548-564Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    The paper explores the application of Web 2.0 technologies to support product development efforts in a global, virtual and cross-functional setting. It analyses the dichotomy between the prevailing hierarchical structure of CAD/PLM/PDM systems and the principles of the Social Web under the light of the emerging product development trends. Further it introduces the concept of Engineering 2.0, intended as a more bottom up and lightweight knowledge sharing approach to support early stage design decisions within virtual and cross-functional product development teams. The lessons learned collected from a cross-company study highlight how to further developblogs, wikis, forums and tags for the benefit of new product development teams, highlighting opportunities, challenges and no-go areas

  • 104.
    Bertoni, Marco
    et al.
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Chirumalla, Koteshwar
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Johansson, Christian
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Social technologies for cross-functional product development: SWOT analysis and implications2012Ingår i: 45th Hawaii International Conference on System Science (HICSS), Los Alamos, Calif.: IEEE Communications Society, 2012, s. 3918-3927Konferensbidrag (Refereegranskat)
    Abstract [en]

    Innovation is triggered by the cross-pollination of fields and disciplines. In product development, this means bringing together people with different expertise to develop breakthrough product and service offers. In spite of their great potential, cross-functional efforts are not yet adequately supported from a knowledge perspective, asking for a more open and bottom-up open approach to knowledge management. The paper aims to investigate how social technologies can enhance collaboration and knowledge sharing in complex, cross-functional and cross-organizational product development projects. It initially highlights the role of weak ties as enablers for more innovative design processes, especially when manufacturing companies move towards developing integrated offers mixing hardware, software and services. Emerging from data collected in two case studies conducted within the European aeronautical industry, it applies the Strength-Weaknesses-Opportunities-Threats (SWOT) framework to highlight how tools such as wikis, blogs, forum and microblogs can shorten and increase the quality of early design decisions. Furthermore it elaborates on how the design team can enhance its perception of the needs to be addressed and leverage its capability to develop solutions for the task at hand.

  • 105.
    Bertoni, Marco
    et al.
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Cugini, Umberto
    Politecnico di Milano.
    Representing and sharing knowledge in PLM systems design2008Konferensbidrag (Refereegranskat)
    Abstract [en]

    The main aim of this paper is to contribute in leveraging the rate of success of BPR in a Virtual Enterprise environment by proposing a framework supporting PLM system designers in selecting the best communication tool to be used in reengineering. The aim of the framework is to enhance interoperability between users, process owners and knowledge experts in design, by proposing a set of guidelines for the use of process modelling languages when dealing with the definition of PLM system specifications. This work has been conducted within the EU 6th Framework Programme VIVACE Project (Value Improvement through a Virtual Aeronautical Collaborative Enterprise) with the purpose to support the design and implementation of a Knowledge Enabled Engineering system able to improve product development process performances by leveraging past design experience.

  • 106.
    Bertoni, Marco
    et al.
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Eres, Hakki
    University of Southampton.
    Isaksson, Ola
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Criteria for assessing the value of Product Service System design alternatives: an aerospace investigation2011Ingår i: Functional thinking for value creation: Proceedings of the 3rd CIRP International Conference on Industrial Product Service Systems / [ed] Jürgen Hesselbach; Christoph Herrmann, Springer Science+Business Media B.V., 2011, s. 141-146Konferensbidrag (Refereegranskat)
    Abstract [en]

    Growing from data collected within a major EU research project in the aerospace domain, the paper proposes a candidate approach to assess the value of Product Service System design alternatives in a preliminary design phase. A framework composed of six main families of value criteria is proposed to support the product/service development team in evaluating the responsiveness and trade-off between alternative designs that target lifecycle commitment, withrespect to the impact on perceived values and stated needs and expectations. A visualization approach is also proposed to quickly communicate the value contribution of the design alternatives at the decision gate.

  • 107.
    Bertoni, Marco
    et al.
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Ericson, Åsa
    Introducing PSS thinking in product-based organizations: a case study in the Swedish manufacturing industry2010Ingår i: Industrial product-service systems (IPS²): proceedings of the 2nd CIRP IPS² Conference [2010, Linköping, 14-15 April] / [ed] Tomohiko Sakao, Linköping: Linköping University Electronic Press, 2010Konferensbidrag (Refereegranskat)
    Abstract [en]

    For traditional product-based companies PSSs represent a huge jump in the dark. Thus the introduction of PSS-like features, aiming to extend the artefact-based offering, is done gradually in the earliest stages, focusing on some value-adding aspects while excluding others. The main aim of this paper is to understand how the transition to PSS is initiated from a company perspective and how these PSS embryos are supported in everyday design activities. The authors have conducted a case study in the Swedish manufacturing industry to collect issues, challenges and opportunities related to the development of service-based offering in their early beginning. As a result they introduce the concept of knowledge-intensive products, seen as an intermediate step towards the full integration of products, software and services, and discuss their implication from a product development point of view.

  • 108.
    Bertoni, Marco
    et al.
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Ericson, Åsa
    Larsson, Tobias
    Needs and requirements: how TRIZ may be applied in product-service development2009Ingår i: Proceedings of the 2nd Nordic Conference on Product Lifecycle Management - NordPLM'09 / [ed] Johan Malmqvist; Göran Gustafsson, Göteborg: Chalmers tekniska högskola. Institutionen för produkt- och produktionsutveckling , 2009Konferensbidrag (Refereegranskat)
    Abstract [en]

    In Product-Service Systems development, understanding of the customers' use of goods seems vital, since the product per se is not sold but rather the performance it brings to the customers' processes in terms of added value. This changed business scenario insists on an integration of a service and a product perspectives in early design phases. However, the approaches to understand customers diverge. In this paper, a need matrix, from the economic theory of needs, and a requirement matrix, from the TRIZ methodology, are used to elaborate on integration aspects to understand customer statements. The comparison of these matrixes made the distinct logics apparent, and gave an indication for the necessity of another type of specification for PSS products. Also, the knowledge base for PSS methodologies has to be extended to encompass a part that visualizes non measurable aspects such as needs.

  • 109. Bertoni, Marco
    et al.
    Johansson, Christian
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle.
    Larsson, Tobias
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Methods and tools for knowledge sharing in product development2011Ingår i: Innovation in Product Design: from CAD to virtual prototyping, London: Encyclopedia of Global Archaeology/Springer Verlag, 2011, s. 37-53Kapitel i bok, del av antologi (Övrigt vetenskapligt)
    Abstract [en]

    The emerging industrial business partnerships, which feature cross-functional and cross-company development efforts, raise the barrier for the establishment of effective knowledge sharing practices in the larger organization. This chapter aims to highlight the role of knowledge as a key enabler for effective engineering activities in the light of such emerging enterprise collaboration models. Knowledge Enabled Engineering (KEE) is presented as an approach to enhance the extended organization’s capability to establish effective collaboration among its parts, in spite of different organizational structures, technologies or processes. KEE is analysed in its constituent parts, highlighting areas, methods and tools that are particularly interesting for leveraging companies’ knowledge sharing capabilities.

  • 110. Bertoni, Marco
    et al.
    Johansson, Christian
    Larsson, Tobias
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Isaksson, Ola
    A methodology for KEE systems target cascading2008Ingår i: Tools and methods of competitive engineering: proceedings of the seventh international symposium on tools and methods of competitive engineering - TMCE 2008 / [ed] Imre Horváth; Zoltán Rusák, Delft: Delft university of technology , 2008, Vol. 2Konferensbidrag (Refereegranskat)
  • 111.
    Bertoni, Marco
    et al.
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Larsson, Andreas
    Coping with the knowledge sharing barriers in Product Service Systems design2010Ingår i: Proceedings of TMCE 2010 Symposium: Eighth international symposium on Tools and methods of competitive engineering ; April 12-16, 2010, Ancona, It / [ed] I. Horvath; F. Mandorli; Z. Rusak, Delft: Faculty of Industrial Design of Engineering, University of Technology, , 2010, s. 903-915Konferensbidrag (Refereegranskat)
    Abstract [en]

    This paper analyzes the knowledge sharing process that characterizes Product Service Systems (PSS) design, drawing on data from an in-depth study in the Swedish manufacturing industry. It categorizes and describes the most relevant knowledge sharing barriers affecting early PSS development phases, discussing them in terms of capabilities to be included in a knowledge engineering system to fulfil the increasing need for knowledge in product-service design. To cope with these barriers, the authors introduce the concept of Engineering 2.0, which borrows the general Web 2.0 concept and translates it into engineering terms, going into the details of how functional product development may benefit from the possibility to integrate bottom-up and "lightweight" knowledge sharing techniques with traditional PLM/PDM/CAD solutions, and highlighting the most relevant challenges for the Engineering 2.0 research.

  • 112.
    Bertoni, Marco
    et al.
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Larsson, Andreas
    Department of Design Sciences, Faculty of Engineering, Lund University.
    Engineering 2.0: an approach to support cross-functional teams in overcoming the knowledge sharing barriers in PSS design2011Ingår i: International Journal of Product Development, ISSN 1477-9056, E-ISSN 1741-8178, Vol. 15, nr 1/2/3, s. 115-134Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    The paper discusses the key enabling mechanisms introduced byWeb 2.0 technologies that can support Product Service Systems (PSSs)development teams in increasing the quality of early design decisions.The paper collects success stories and lessons learned from two empirical casestudies in the aeronautical supply chain, and from a set of questionnairesforwarded to major automotive manufacturers, about the implementation ofEngineering 2.0 tools, such as wikis, blogs and forums, to overcomeknowledge-sharing barriers between cross-functional design teams. The studyreveals that bottom-up and lightweight technologies can enable theimplementation of more value-driven development processes, providing meansfor locating expertise in the extended organisation, for capturing the ‘context’of the information managed, and for assessing and validating knowledge assetsin a more collaborative fashion. Eventually, it points to the most relevant issuesthat currently prevent the implementation of Web 2.0 technologies in a productdevelopment setting.

  • 113.
    Bertoni, Marco
    et al.
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Larsson, Andreas
    Department of Design Sciences, Faculty of Engineering, Lund University.
    Ericson, Åsa
    Chirumalla, Koteshwar
    Larsson, Tobias
    Isaksson, Ola
    Randall, Dave
    Department of Sociology, Manchester Metropolitan University.
    The rise of social product development2012Ingår i: International Journal of Networking and Virtual Organisations, ISSN 1470-9503, E-ISSN 1741-5225, Vol. 11, nr 2, s. 188-207Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    The aim of the paper is to discuss the rising potential of social software to increase the knowledge management capabilities of virtual product development teams. It presents six fundamental transitions, elaborated from the empirical findings, which justify the rise of a more bottom-up, social creation and sharing of engineering knowledge in the virtual organisation. The study suggests that traditional engineering knowledge management approaches alone are not sufficient to support development activities in the virtual organisation, and that such teams display an increasing demand for social, comparatively lightweight and remixable platforms for bottom-up, social creation and sharing of knowledge.

  • 114.
    Bertoni, Marco
    et al.
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Larsson, Tobias
    Requirements for a KEE system supporting PSS development2009Ingår i: Research into design: supporting multiple facets of product development / [ed] Amaresh Chakrabarti, Singapore: Research Publishing Services, 2009Konferensbidrag (Refereegranskat)
    Abstract [en]

    In Product Service Systems development, understanding the customer use of goods is vital, since the product per se is not sold but rather the performance it brings to the purchaser in terms of added value. Moving away from offering just a product or service to become a provider of "integrated solutions" implies inevitable changes in the interaction with the customer as well as in the way knowledge is managed and shared in the cross company environment. The main aim of this paper is, on one hand, to provide examples of how Product-Service Systems raise the demand on such cross-functional knowledge sharing; on the other hand it aims to point out a set of requirements for the successful development of Knowledge Enabled Engineering systems able to support a PSS paradigm in a Virtual Enterprise context.

  • 115.
    Biedenbach, Galina
    et al.
    Umeå School of Business and Economics, Umeå University.
    Bengtsson, Maria
    Umeå School of Business and Economics, Umeå University.
    Wincent, Joakim
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Brand equity in the professional service context: Analyzing the impact of employee role behavior and customer–employee rapport2011Ingår i: Industrial Marketing Management, ISSN 0019-8501, E-ISSN 1873-2062, Vol. 40, nr 7, s. 1093-1102Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    The study examines whether factors related to customers' perception of employees' behavior in terms of customer perceived role ambiguity, role overload and customer–employee rapport influence the development of brand equity in the professional service context. 632 customers of one of the Big Four auditing companies participated in the study. The results of structural equation modeling show negative effects of role ambiguity and role overload on brand associations, perceived quality and brand loyalty, which constitute brand equity. The findings indicate a positive effect of customer–employee rapport on the enhancement of B2B brand equity. However, the negative influences of role ambiguity and role overload on customer–employee rapport transfer detrimental indirect effects on brand equity. The study contributes to an understanding of how the real interaction between service providers and customers can influence brand equity in the professional service setting.

  • 116.
    Biedenbach, Galina
    et al.
    Umeå university.
    Bengtsson, Maria
    Umeå university.
    Wincent, Joakim
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Dynamics of B2B brand equity formation: an empirical comparison between uni- and multi-service buyers2009Konferensbidrag (Refereegranskat)
  • 117.
    Biedenbach, Galina
    et al.
    Umeå university.
    Bengtsson, Maria
    Umeå university.
    Wincent, Joakim
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Dynamics of B2B brand equity: the role of interdependencies in buyer-seller relationships2010Ingår i: The Six Senses - The Essentials of Marketing: 39th EMAC Conference, 1-4 June 2010, Copenhagen, 2010Konferensbidrag (Refereegranskat)
    Abstract [en]

    The main purpose of this study is to investigate the effects of buyer-seller interdependencies on the formation of brand equity in the B2B context. The study demonstrates that a higher level of dependency, experienced by the multi-services buyers compared to the uniservice buyers, affects overall brand equity developed towards the seller. By considering the hierarchy of effects between the brand equity dimensions, the study shows that the factors capturing the interdependencies have a significant impact on brand loyalty of the multiservice buyers. The study contributes to branding research by evaluating the impact of buyer-seller dependency on B2B brand equity.

  • 118.
    Björnström, Albert
    Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Drift, underhåll och akustik.
    Flödeskalibrering: Analys av kalibreringsprocesser2018Självständigt arbete på grundnivå (högskoleexamen), 10 poäng / 15 hpStudentuppsats (Examensarbete)
    Abstract [sv]

    I december 2015 undertecknades Parisavtalet i syfte att skapa ett bättre globalt klimat. Enligt avtalet ska alla länders utsläpp redovisas till FN. En förutsättning för att Sverige ska kunna redovisa utsläppen är att nuvarande utsläppsnivåer är kända, varför mätning och beräkning av utsläpp är nödvändig.

     

    Det statligt ägda gruvbolaget Luossavaara Kiirunavaara AB (LKAB) driver järnmalmsgruvor i Malmfälten. Den järnmalmspellets som tillverkas vid kulsinterverket KK4 i Kiruna består till viss del av tillsatsmedel, som vid förbränning bildar koldioxid. Hur mycket tillsatsmedel som förbränns mäts med hjälp av två flödesmätare. För att säkerställa att dessa mätare har godkänd noggrannhet utförs årliga kalibreringar där uppmätt volym jämförs med en referensvolym. I syfte att säkerställa att LKAB:s kalibreringsmetod fungerar har ett externt företag utfört kalibrering med en annan metod där mätsensorer placeras på tillsatsmedelledningen. Resultaten mellan de två kalibreringsmetoderna skiljer sig avsevärt, vilket föranlett denna rapport.

     

    Syftet med arbetet är att ta fram förbättringsåtgärder för LKAB:s kalibreringsmetod samt presentera förslag på hur LKAB kan skapa bättre förutsättningar för den andra så kallade pulshastighetsmetoden. Genom att analysera respektive kalibreringsmetod och utföra mätningar, tester och beräkningar tas svagheter fram. Tester visar att en svaghet med LKAB:s kalibrering är att den nivåmätningsmetod som används är personberoende. Nivåmätning med laseravståndsmätare testas med gott resultat varför denna typ av mätning rekommenderas framöver.

     

    En svaghet med pulshastigheten är att den är känslig för variation av rörens innerdiameter. För att denna metod ska ge tillförlitliga resultat krävs ombyggnation av ledningar samt noga uppmätt innerdiameter.

     

    Noggrann flödesmätning leder till att nuvarande koldioxidutsläpp kan beräknas vilket skapar förutsättningar för fortsatt arbete mot uppställda miljömål. Flödesmätarna har även en betydande roll för produktkvaliteten i KK4 vilket innebär att denna rapport kan bidra till högre kvalitet och ekonomisk lönsamhet.

  • 119.
    Blomkvist, Marita
    et al.
    Högskolan i Halmstad.
    Johansson, Jeaneth
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Malmström, Malin
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Accounting Knowledge in Innovative Firms: Direct Contacts with Auditors for Strategic Actions2015Konferensbidrag (Refereegranskat)
  • 120.
    Blomkvist, Marita
    et al.
    Department of Business and Administration, School of Business Economics and Law, University of Gothenburg.
    Johansson, Jeaneth
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Malmström, Malin
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Accounting Knowledge in Innovative Firms: Direct Contacts with External Auditors for Strategic Actions2016Ingår i: International Journal of Managerial and Financial Accounting, ISSN 1753-6715, E-ISSN 1753-6723, Vol. 8, nr 3/4, s. 209-228Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Managers’ use of auditors in decision processes is well known in theaccounting literature, but little is known about owner-managers in innovativefirms and their acquisition of accounting knowledge through direct contactswith external auditors. We conducted a multiple embedded study of exploratorycharacter based on 21 interviews with owner-managers and external auditorsconnected to six innovative firms. We show that owner-managers in innovativefirms apply informal management control in early phases of the innovationprocess and thus also rely heavily on external auditors for such purposes.However, management’s acquisition of accounting knowledge may contributeover time to the development of a more formalised control system as theircompetence increases. This study suggests that a competence-based view maybe useful for understanding the role of accounting and external auditors ininnovative firms’ management control systems.

  • 121.
    Blomkvist, Marita
    et al.
    Högskolan i Halmstad.
    Johansson, Jeaneth
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Malmström, Malin
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Ulvenblad, Pia
    Halmstad University.
    Walk the talk: Who's targeted om Governmental innovation systems2015Konferensbidrag (Refereegranskat)
  • 122.
    Blomkvist, Marita
    et al.
    Högskolan i Halmstad, University of Gothenburg.
    Johansson, Jeaneth
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Rodgers, Waymond
    Halmstad University.
    Human resource management in innovation firm's strategic decision making2016Konferensbidrag (Refereegranskat)
  • 123.
    Blomkvist, Marita
    et al.
    Department of Business and Administration, School of Business Economics and Law, University of Gothenburg.
    Johansson, Jeaneth
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Rodgers, Waymond
    College of Business Department of Accounting and Information Systems, University of Texas at El Paso.
    Strategic Decision Making and Knowledge Sharing in Innovation2017Konferensbidrag (Refereegranskat)
  • 124.
    Boart, Patrik
    et al.
    Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Produkt- och produktionsutveckling.
    Andersson, Petter
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Elfström, Bengt-Olof
    Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Produkt- och produktionsutveckling.
    Knowledge enabled pre-processing for structural analysis2006Ingår i: Proceedings of the 1st Nordic Conference on Product Lifecycle Management / [ed] Johan Malmqvist; Fredrik Berglund, Göteborg: Chalmers tekniska högskola , 2006, s. 89-97Konferensbidrag (Refereegranskat)
  • 125.
    Boart, Patrik
    et al.
    Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Produkt- och produktionsutveckling.
    Isaksson, Ola
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Enabling variation of manufacturing process parameters in early stages of product development2006Ingår i: Proceedings of IMECE 2006, American Society of Mechanical Engineers , 2006, Vol. IMECE2006-14459, s. 1165-1173Konferensbidrag (Refereegranskat)
    Abstract [en]

    Currently, mechanical design of aero engine structural components is defined by dimensioning of Design Parameters (DP's) to meet Functional Requirements (FR's). FR's are typically loads, geometrical interfaces and other boundary conditions. Parameters from downstream processes are seldom actually seen as DP's. This paper proposes that downstream process parameters are treated as DP's which calls for engineering methods that can define and evaluate these extended set of DP's.Using the proposed approach manufacturing process alternatives can be used as DP's in early stages of product development. Both the capability to quantitatively assess impact of varying manufacturing DP's, and the availability of these design methods are needed to succeed as an early phase design method. One bottleneck is the preparation time to define and generate these advanced simulation models.This paper presents how these manufacturing process simulations can be made available by automating the weld simulation preparation stages of the engineering work. The approach is based on a modular approach where the methods are defined with knowledge based engineering techniques-operating close to the CAD system.Each method can be reused and used independently of each other and adopted to new geometries. A key advantage is the extended applicability to new products, which comes with a new set of DP's.On a local level the lead time to generate such manufacturing simulation models is reduced with more than 99% allowing manufacturing process alternatives to be used as DP's in early stages of product development.

  • 126. Boart, Patrik
    et al.
    Sandberg, Marcus
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Nergård, Henrik
    Larsson, Tobias
    Multidisciplinary design tool for conceptual design and evaluation2005Ingår i: 15th International Conference on Engineering Design - ICED 05: 15 - 28 August 2005 / [ed] Andrew Samuel; William Lewis, Barton: Institution of Engineers, Australia , 2005Konferensbidrag (Refereegranskat)
    Abstract [en]

    The actual product ownership often remains with the manufacturer as functional (total care) products emerge in aerospace business agreements. The business risk is then transferred to the manufacturer why downstream knowledge needs to be available in the concept phase to consider all product life cycle aspects. The aim of this work is to study how a multidisciplinary design tool can be used to embed downstream processes for conceptual design and evaluation allowing simulation of life cycle properties. A knowledge enabled engineering approach was used to capture the engineering activities for design and evaluation of jet engine component flanges. For every design change, cost of manufacturing operations, maintenance and performance aspects can be directly assessed. The design tool assures that the engineering activities are performed accordingly to company design specification which creates a better control over the process quality. It also creates a better understanding enabling the engineers to optimize the concept in real time from an overall product life cycle view. The new tool will be the base for optimize the total product system and will be used not only between companies but also between product development departments in large global companies.

  • 127. Bonnedahl, K.
    et al.
    Gabrielsson, Å.
    Westerberg, Mats
    Wincent, Joakim
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Entreprenörskap och småföretagande i norra Italien och Slovenien: gamla traditioner och nya möjligheter2007Rapport (Övrigt vetenskapligt)
  • 128.
    Bradley, S.W
    et al.
    Baylor University.
    McMullen, J
    Patel, Pankaj
    Ball State University.
    Parida, Vinit
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Searching wide or deep?: absorptive capacity, slack resources and the role of external search in small firm growth2011Ingår i: Frontiers of Entrepreneurship Research, ISSN 0740-7416, Vol. 31, nr 15Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Firms often conduct external search for new opportunities, but not all search leads to growth. Integrating traditional explanations of search from behavioral theory with biological foraging models, we explain how absorptive capacity together with financial slack influence breadth or depth of search. Our findings from 291 small Swedish technology firms indicate that higher absorptive capacity increases search. Absorptive capacity had a stronger effect on breadth of search than for depth of search. We find that only depth of search leads to higher growth for small firms. Further, financial slack strengthened the absorptive capacity and search depth relationship of search relationship, but weakened the relationship between absorptive capacity and breadth of search. The findings are consistent with foraging models that account for resource availability.

  • 129.
    Brandberg, Marcus
    Luleå tekniska universitet, Institutionen för konst, kommunikation och lärande.
    Is there a correlation between the natural reverberation in a critical listening environment and adjustments of an artificial reverb?2019Självständigt arbete på grundnivå (kandidatexamen), 10 poäng / 15 hpStudentuppsats (Examensarbete)
    Abstract [en]

    One of the mixing engineers most important tool when listening, analyzing and taking decisions is the physical space in which the reproduction system and the monitors are placed. The space needs to fulfill certain aspects to be able to qualify as a control room considered good for taking these decisions. In this study an active listening test was conducted to investigate if the RT60 of the natural reverberation in the room affected a mixing engineers’ decisions when adjusting parameters on an artificial reverb. 16 subjects participated, the subjects adjusted reverb level and reverb time of an artificial reverb in two different acoustical environments, with two different values of RT60. The environments were based on a professional control room made for mixing and mastering. The two values for RT60 was achieved through manipulating the room with diffusors and absorbing material. It was found that the subjects were able to adapt to the different acoustical environments, although other differences were found. The order of the which of the environments the subjects started in and which parameter the subject started adjusting, showed a considerable impact on the result. As well as what kind of factors the subjects considered when adjusting the artificial reverb.

  • 130.
    Bratt, Cecilia
    et al.
    Blekinge Institute of Technology.
    Hallstedt, Sophie
    Blekinge Institute of Technology.
    Robèrt, K.-H.
    Blekinge Institute of Technology.
    Broman, Göran
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Oldmark, Jonas
    Natural Step International, Stockholm.
    Assessment of eco-labelling criteria development from a strategic sustainability perspective2011Ingår i: Journal of Cleaner Production, ISSN 0959-6526, E-ISSN 1879-1786, Vol. 19, nr 14, s. 1631-1638Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    To turn current patterns of consumption and production in a sustainable direction, solid and understandable market information on the socio-ecological performance of products is needed. Eco-labelling programmes have an important role in this communication. The aim of this study is to investigate what gaps there may be in the current criteria development processes in relation to a strategic sustainability perspective and develop recommendations on how such presumptive gaps could be bridged. First a previously published generic framework for strategic sustainable development is described and applied for the assessment of two eco-labelling programmes. Data for the assessment is collected from literature and in semi-structured interviews and discussions with eco-labelling experts. The assessment revealed that the programmes lack both an operational definition of sustainability, and a statement of objectives to direct and drive the criteria development processes. Consequently they also lack guidelines for how product category criteria might gradually develop in any direction. The selected criteria mainly reflect the current reality based on a selection of negative impacts in ecosystems, but how this selection, or prioritization, is made is not clearly presented. Finally, there are no guidelines to ensure that the criteria developers represent a broad enough competence to embrace all essential sustainability aspects. In conclusion the results point at deficiencies in theory, process and practice of eco-labelling, which hampers cohesiveness, transparency and comprehension. And it hampers predictability, as producers get no support in foreseeing how coming revisions of criteria will develop. This represents a lost opportunity for strategic sustainable development. It is suggested that these problems could be avoided by informing the criteria development process by a framework for strategic sustainable development, based on backcasting from basic sustainability principles.

  • 131.
    Brattström, Anna
    et al.
    Lund University .
    Frishammar, Johan
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Anders, Richtner
    Stockholm School of Economics .
    Björk, Jennie
    The Royal Institute of Technology.
    Magnusson, Mats
    KTH Royal Institute of Technology.
    Boxing in and box breaking of attention: A process model of innovation measurement2016Konferensbidrag (Refereegranskat)
  • 132.
    Brattström, Anna
    et al.
    Sten K Johnson Centre for Entrepreneurship, Lund University.
    Frishammar, Johan
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Industriell Ekonomi.
    Richtnér, Anders
    Stockholm School of Economics .
    Pfluger, Dane
    HEC, Paris .
    Can innovation be measured?: A framework of how measurement of innovation engages attention in firms2018Ingår i: Journal of engineering and technology management, ISSN 0923-4748, E-ISSN 1879-1719, Vol. 48, s. 64-75Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Many firms manage the innovation process by using metrics. Yet, whether measurement supports or hinders innovation continues to be a topic of debate. To shed new light on this debate, this paper presents a conceptual framework of how measurement engages attention in firms. We draw on attention based theory and conceptualize innovation measurement as an attention-focusing device. We identify two ideal types of measurement practices. i) Directional Measurement: which is based on few and unidirectional metrics and encourages exploitative innovation efforts. ii) Conversational Measurement: which is based on multiple and ambiguous metrics and encourages exploration. We extend theory building in the technology and accounting literatures by theorizing the role of metrics and measurement for attention and by discussing the implications of such attentional engagement for innovation performance. In so doing, we engage closely with the managerial task of managing innovation while simplifying its conditions, thereby providing actionable advice.

  • 133.
    Brattström, Anna
    et al.
    Lund University .
    Johan, Frishammar
    Luleå tekniska universitet.
    Richtnér, Anders
    Stockholm School of Economics .
    Björk, Jennie
    KTH Royal Institute of Technology.
    Magnusson, Mats
    KTH Royal Institute of Technology.
    Boxing in and box breaking of attention: A process model of how measurement impact innovation2016Konferensbidrag (Refereegranskat)
  • 134.
    Butt, Mehwish
    et al.
    Department of Mechanical Engineering, University of Alberta.
    Sharunova, Alyona
    Department of Mechanical Engineering, University of Alberta.
    Storga, Mario
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Människa och teknik. Department of Mechanical Engineering and Naval Architecture, University of Zagreb.
    Khan, Yasir Imtiaz
    Department of Computing, Coventry University.
    Qureshi, Ahmed Jawad
    Department of Mechanical Engineering, University of Alberta.
    Transdisciplinary Engineering Design Education: Ontology for a Generic Product Design Process2018Ingår i: Procedia CIRP, ISSN 2212-8271, E-ISSN 2212-8271, Vol. 70, s. 338-343Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Today’s highly integrated product development practices emphasize the need to transform the engineering education from disciplinary to transdisciplinary. This paper is based on the results of an empirical study designed to introduce a common transdisciplinary design process in engineering education. It aims to validate the hypothesis that engineering disciplines in education share a common engineering design process. It describes the methodology for the development of a Transdisciplinary Engineering Design Education Ontology (TEDEO) for eight major engineering disciplines. It proposes a high-level transdisciplinary engineering design process that consolidates a diverse array of engineering terms and concepts into a generalized model.

  • 135. Bylund, Nicklas
    et al.
    Isaksson, Ola
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Kalhori, Vahid
    Larsson, Tobias
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Enhanced engineering design practice using knowledge enabled engineering with simulation methods2004Ingår i: Design 2004: proceedings of the 8th International Design Conference, May 18 - 21, 2004, Dubrovnik - Croatia / [ed] Dorian Marjanovic, Zabreb: University of Zagreb , 2004Konferensbidrag (Refereegranskat)
    Abstract [en]

    The objective of this paper is to discuss how Knowledge Enabled Engineering, when combined with simulation methods is a development step for product development processes, engineering design methods and evaluation support systems. The paper opens the discussion on how these approaches, i.e. work methods, simulation support and Knowledge Enabled Engineering (KEE) methods affects best practice in engineering design (ED) by adding synthesis support to the already existing analysis support. In the presented work the authors discuss the actual state of industrial applications, with challenges and opportunities, at Volvo Car Corporation, automotive manufacturer, and Volvo Aero Corporation, jet engine component manufacturer, both operating in Sweden.

  • 136.
    Byström, Alexandra
    et al.
    Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Byggkonstruktion och brand.
    Wickström, Ulf
    Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Byggkonstruktion och brand.
    Temperature of post-flashover compartment fires: calculations and validation2018Ingår i: Fire and Materials, ISSN 0308-0501, E-ISSN 1099-1018, Vol. 42, nr 3, s. 255-265Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    This paper describes and validates by comparisons with tests a one-zone model for computing temperature of fully developed compartment fires. The model is based on an analysis of the energy and mass balance assuming combustion being limited by the availability of oxygen, i.e. ventilation controlled fire. It is demonstrated that the model can be used to predict fire temperatures in compartments with semi-infinitely thick boundaries as well as with boundaries of insulated and uninsulated steel sheets where the entire heat capacity of the surrounding structure is assumed to be concentrated to the steel core. That is so called lumped heat capacity is assumed.

    When developing the fire model a maximum fire temperature was defined depending on combustion efficiency and opening heights only. This temperature was then used as a thermal boundary condition to calculate the temperature of the surrounding structure. The fire temperature was then derived to be a weighted average between the maximum fire temperature and the current calculated surrounding structure surface temperature.

    A general finite element solid temperature calculation code (TASEF) was used to calculate the temperature in the boundary structure. With this code it is possible to analyze surrounding structures of various kinds comprising materials with properties varying with temperature as well as assemblies of various materials.

    The experiments referred to were accurately defined and surveyed. In all the tests a propane diffusion burner was used as the only fire source. Temperatures were measured with thermocouples and plate thermometers at several positions [1].

  • 137.
    Bäck, Iivari
    et al.
    University of Vaasa, Department of Management.
    Kohtamäki, Marko
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Joint Learning in Innovative R&D Collaboration2016Ingår i: Industry and Innovation, ISSN 1366-2716, E-ISSN 1469-8390, Vol. 23, nr 1, s. 62-86Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    The present study analyzes the mechanisms and facilitators behind joint learning in R&D collaborations by way of a qualitative comparative case study analyzing three supplier relationships and three internal R&D partnerships of the focal organization. The results suggest a single joint learning process for internal and external relationships in which the role of the customer and the facilitation of the joint learning process vary depending on the context. Whereas the role of motivation is central for joint learning in the internal relationships, mutual trust is important to the external relationships.

  • 138.
    Bäck, Ivari
    et al.
    University of Vaasa, Department of Management.
    Kohtamäki, Marko
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Boundaries of R&D collaboration2015Ingår i: Technovation, ISSN 0166-4972, E-ISSN 1879-2383, Vol. 45-46, s. 15-28Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Building on organizational boundary theories (competence, efficiency, power, and identity), this study examines the boundaries of R&D collaboration, based on a qualitative, comparative case analysis of six long-term R&D relationships within the supplier network of a leading multinational corporation that manufactures electrical devices and systems. The results reveal that competence development, facilitated by trust, enables joint learning and the creation of tacit knowledge in long-term partnerships, and has a central role in boundary formation. Competence and accumulated experience also improve the efficiency of the relationship, which has a central impact on decisions to continue or end the collaboration. Power conception, drawing on resource dependency theory, is dominant in boundary setting only in cases where trust or mutual dependence between partners is low. The boundaries set by identity are based on managerial sensemaking and prior experience, and they tend to be dominant for as long as external demands force managers to re-consider them. First, the study contributes to supplier involvement literature by utilizing firm boundary theories in the context of R&D collaboration. Second, the study contributes to firm boundary literature by complementing the theory with trust and joint learning approaches, and by examining the interplay between different theories. The results also suggest practices that should be at the forefront of managers' thinking when they consider their firms' relational development needs in the context of R&D collaboration. The results also highlight the importance of long-term experience and trust in facilitating collaboration in the relationship.

  • 139.
    Bäckström, Izabelle
    et al.
    Department of Design Sciences, Lund University.
    Lindberg, Malin
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Människa och teknik.
    Behavioural implications of employee-driven innovation: a critical discourse analysis2018Ingår i: International Journal of Innovation Management, ISSN 1363-9196, E-ISSN 1757-5877, Vol. 22, nr 7, artikel-id 1850058Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    This paper examines a digital employee-oriented innovation program at a global IT-firm. It addresses the research question: how is the generation and promotion of employee ideas organised by the management, and what are the behavioural implications in terms of participation of such an organising? Drawing on the literature on inclusive innovation and employee-driven innovation, the authors explore the extent to which ordinary employees are included in innovative processes at work. The critical discourse analysis of written and spoken text exposes inclusiveness concerning the managements’ production and distribution of innovation discourse in the initial phases of the program. However, the analysis simultaneously reveals considerable excluding elements in the ordinary employees’ consumption of this discourse in its latter phases, particularly regarding the parallel discourses “we are all innovators” and “the single winning entrepreneur”.

  • 140.
    Bäckström, Izabelle
    et al.
    Lund University, Lund.
    Lindberg, Malin
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Människa och teknik.
    Varying involvement in digitally enhanced employee-driven innovation2019Ingår i: European Journal of Innovation Management, ISSN 1460-1060, E-ISSN 1758-7115, Vol. 22, nr 3, s. 524-540Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Purpose: The purpose of this paper is to advance knowledge about the mechanisms behind, and the implications of, varying involvement in digitally enhanced employee-driven innovation (EDI) by studying how a firm integrates a web-based tool in the organization of its EDI process. Design/methodology/approach: Based on a qualitative in-depth interview study with managers and employees at one high-performing and one low-performing office of a global IT firm, a critical discourse analysis was performed. It explored how the EDI discourse was produced, distributed and consumed in relation to the web-based tool for collecting and selecting employee ideas. Findings: The results demonstrate that the production of the innovation discourse by the top-level management, which emphasizes client satisfaction rather than employee engagement, restricts the employees’ utilization of the digital platform that distributes the discourse. However, at the high-performing office, employee participation is ensured because the local managers act as co-distributors of the digital tool. Research limitations/implications: The single case study design limits the generalizability of the results, but is nevertheless relevant for understanding the mechanisms and implications in similar contexts where web-based tools are used to enhance EDI processes. Practical implications: The study provides practical insights into the importance of local management’s active promotion of digital tools in order to ensure employee involvement. Originality/value: The study contributes to the EDI literature by identifying some mechanisms behind and the implications of varying employee involvement in digitally enhanced EDI processes.

  • 141.
    Bäckström, Lars
    et al.
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Industriell Ekonomi.
    Berggård, Glenn
    Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Arkitektur och vatten.
    Gedda, Oskar
    Luleå tekniska universitet, Institutionen för konst, kommunikation och lärande, Pedagogik språk och Ämnesdidaktik.
    Persson, Anders J
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Arbetsvetenskap.
    Prellwitz, Maria
    Luleå tekniska universitet, Institutionen för hälsovetenskap, Hälsa och rehabilitering.
    Weber, Hans
    Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Materialvetenskap.
    Wikberg-Nilsson, Åsa
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Det uppkopplade samhället och högre utbildning2014Ingår i: NU 2014: Umeå 8-10 oktober : abstracts, Umeå: Umeå universitet. Pedagogiska institutionen , 2014, s. 123-Konferensbidrag (Refereegranskat)
  • 142.
    Cantù, Chiara
    et al.
    Department of Economics and Business Management Sciences, Università Cattolica del Sacro Cuore, Milano.
    Ylimäki, Juho
    University of Vaasa , University of Vaasa, Department of Management.
    Sirén, Charlotta
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Nickell, David
    Department of Marketing and Real Estate, University of West Georgia, Carrollton.
    The role of knowledge intermediaries in co-managed innovations2015Ingår i: The journal of business & industrial marketing, ISSN 0885-8624, E-ISSN 2052-1189, Vol. 30, nr 8, s. 951-961Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Purpose– The purpose of this paper is to investigate how technological hubs (THs), defined as knowledge intermediaries, can assist companies in creating successful partnerships to develop innovations. Specifically, the authors ask how THs can help firms connect with horizontal networks and how THs can assist firms on finding suppliers and customers from the vertical network with whom to collaborate. By answering these two main questions, the paper sheds light on the important role of THs and its incubators as knowledge intermediaries in innovation co-creation. Design/methodology/approach– The research is founded on a longitudinal case study of an Italian technologic hub, ComoNExT, that aims to improve the competitiveness of its local economy. Specific attention is given to the role of the incubator that was formed as a joint effort in the technology hub. Findings– The authors find that THs can facilitate networking among tenants and among tenants and external actors within the same epistemic network. The TH that the authors studied is characterized by a new business model that is founded on providing value-added services and networking. The TH sustains the networking at different levels: within tenants, with local actors, extra-local and international actors. The authors’ analysis suggest that THs become knowledge intermediaries who allow firms to identify innovation parties and transform them into innovation partners and, thus, outline the shift from outsourced innovation to co-managed innovation. Originality/value– The paper shows how knowledge intermediaries facilitate the intermediation between heterogeneous organizations who are located at different network positions and characterized by relational proximity that is the basis for reaching effective innovation. The research depicts how knowledge intermediaries reinforce the drivers of a co-membership network to co-create innovation to improve the strength of a relationship characterized by a shared vision.

  • 143.
    Capaci, Francesca
    et al.
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Industriell Ekonomi.
    Bergquist, Bjarne
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Industriell Ekonomi.
    Vanhatalo, Erik
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Industriell Ekonomi.
    Kulahci, Murat
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Industriell Ekonomi.
    Simulating and Analyzing Experiments in the Tennessee Eastman Process Simulator2015Ingår i: ENBIS-15, 2015Konferensbidrag (Refereegranskat)
    Abstract [en]

    In many of today’s continuous processes, the data collection is usually performed automatically yielding exorbitant amount of data on various quality characteristics and inputs to the system. Moreover, such data are usually collected at high frequency introducing significant serial dependence in time. This violates the independent data assumption of many industrial statistics methods used in process improvement studies. These studies often involve controlled experiments to unearth the causal relationships to be used for robustness and optimization purposes.

    However real production processes are not suitable for studying new experimental methodologies, partly because unknown disturbances/experimental settings may lead to erroneous conclusions. Moreover large scale experimentation in production processes is frowned upon due to consequent disturbances and production delays. Hence realistic simulation of such processes offers an excellent opportunity for experimentation and methodological development.

    One commonly used process simulator is the Tennessee Eastman (TE) challenge chemical process simulator (Downs & Vogel, 1993)[1]. The process produces two products from four reactants, containing 41 measured variables and 12 manipulated variables. In addition to the process description, the problem statement defines process constraints, 20 types of process disturbances, and six operating modes corresponding to different production rates and mass ratios in the product stream.

    The purpose of this paper is to illustrate the use of the TE process with an appropriate feedback control as a test-bed for the methodological developments of new experimental design and analysis techniques.

    The paper illustrates how two-level experimental designs can be used to identify how the input factors affect the outputs in a chemical process.

    Simulations using Matlab/Simulink software are used to study the impact of e.g. process disturbances, closed loop control and autocorrelated data on different experimental arrangements.

    The experiments are analysed using a time series analysis approach to identify input-output relationships in a process operating in closed-loop with multivariate responses. The dynamics of the process are explored and the necessary run lengths for stable effect estimates are discussed.

  • 144.
    Capaci, Francesca
    et al.
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Industriell Ekonomi.
    Kulahci, Murat
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Industriell Ekonomi.
    Vanhatalo, Erik
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Industriell Ekonomi.
    Bergquist, Bjarne
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Industriell Ekonomi.
    Simulating Experiments in Closed-Loop Control Systems2016Ingår i: ENBIS-16 in Sheffield, 2016Konferensbidrag (Refereegranskat)
    Abstract [en]

    Design of Experiments (DoE) literature extensively discusses how to properly plan, conduct and analyze experiments for process and product improvement. However, it is typically assumed that the experiments are run on processes operating in open-loop: the changes in experimental factors are directly visible in process responses and are not hidden by (automatic) feedback control. Under this assumption, DoE methods have been successfully applied in process industries such as chemical, pharmaceutical and biological industries.

    However, the increasing instrumentation, automation and interconnectedness are changing how the processes are run. Processes often involve engineering process control as in the case of closed-loop systems. The closed-loop environment adds complexity to experimentation and analysis since the experimenter must account for the control actions that may aim to keep a response variable at its set-point value.  The common approach to experimental design and analysis will likely need adjustments in the presence of closed-loop controls. Careful consideration is for instance needed when the experimental factors are chosen. Moreover, the impact of the experimental factors may not be directly visible as changes in the response variables (Hild, Sanders, & Cooper, 2001). Instead other variables may need to be used as proxies for the intended response variable(s).

    The purpose of this presentation is to illustrate how experiments in closed-loop system can be planned and analyzed. A case study based on the Tennessee Eastman Process simulator run with a decentralized feedback control strategy (Matlab) (Lawrence Ricker, 1996) is discussed and presented. 

  • 145. Cardon, M.
    et al.
    Wincent, Joakim
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Singh, J.
    Drnovsek, M.
    Entrepreneurial passion: a theoretical framework for the study of emotion in entrepreneurship2004Ingår i: Frontiers of Entrepreneurship Research 2004: Proceedings of the Twenty-Fourth Annual Entrepreneurship Research Conference / [ed] Shaker A. Zahra, Babson College Center , 2004Konferensbidrag (Refereegranskat)
    Abstract [en]

    Principal TopicPassion has long been recognized as a central component of entrepreneurial motivation and success. Yet surprising little systematic theoretical or empirical work exists concerning the notion of passion and its influence on entrepreneurial activities. Passion has been viewed as both cognitive and emotional, as both a trait and a state, and many scholars do not distinguish between passion as an emotion and the consequences of such passion, such as working longer hours. Thus there is great lack of clarity in defining exactly what passion is, what it feels like, and its role in entrepreneurship.We build a conceptual model of emotion in entrepreneurship, drawing from a strong foundation in the psychological and sociological literatures. In this model, we separate the experience of emotion from the outcomes of such emotional experiences, and distinguish between the distal outcome of entrepreneurial effectiveness, which involves attainment of venture and individual goals, and the drivers of such effectiveness, including problem-solving, persistence, and absorption, which are behaviors that directly result from emotional experiences. Third, we distinguish between situation-specific and more enduring emotional experiences, and suggest that both sets of emotions impact entrepreneurial outcomes. For both episodic and enduring emotions, individuals have certain stable emotional tendencies (core affect), ventures have the ability to engender specific emotions due to their specific nature (affective qualities), and both of these combine to create the subconscious (attributed affect) and conscious (emotional meta-experience) emotional experiences. Since the current emotional state may differ from the more enduring state, this potential discrepancy between them is modeled. If such a discrepancy exists, the tension between the episodic emotional experience and the enduring one must be managed by the entrepreneur, through the process of emotional regulation.Results and ImplicationsBy developing the theoretical foundation for emotional influence in this domain, we enrich theory on entrepreneurial passion and provide concrete guidelines to spur entrepreneurial effectiveness. In particular we suggest how incorporating entrepreneurial emotion in models of entrepreneurship will shed light on how to better prepare nascent and early-stage entrepreneurs for the challenges that lie ahead of them, and how to enhance their own persistence and effectiveness.

  • 146.
    Cardon, Melissa S.
    et al.
    Pace University, Lubin School of Business.
    Wincent, Joakim
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Singh, Jagdip
    Case Western Reserve University, Cleveland.
    Drnovsek, Mateja
    University of Ljubljana, Faculty of Economics.
    The nature and experience of entrepreneurial passion2009Ingår i: Academy of Management Review, ISSN 0363-7425, E-ISSN 1930-3807, Vol. 34, nr 3, s. 511-532Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Entrepreneurial passion plays an important role in entrepreneurship, but theoretical understanding of what it is and what it does is lacking. We build on fragmented and disparate extant work to conceptualize the nature of entrepreneurial passion associated with salient entrepreneurial role identities. We also theorize the mechanisms of the experience of entrepreneurial passion that provide coherence to goal-directed cognitions and behaviors during the pursuit of entrepreneurial effectiveness.

  • 147. Cardon, Melissa
    et al.
    Wincent, Joakim
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    Singh, Jagdip
    Drnovsek, Mateja
    University of Ljubljana.
    Entrepreneurial passion: the nature and influence of emotions in entrepreneurship2005Ingår i: The Academy of Management, Honolulu, USA, August 5-10, 2005Konferensbidrag (Refereegranskat)
    Abstract [en]

    Presents a study on entrepreneurial passion. Definition of passion; Explanation on the temporal nature of entrepreneurial emotions; Framework for studying emotions in entrepreneurship.

  • 148.
    Carlson, Hampus
    et al.
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle.
    Lejon, Isak
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle.
    Blockchain business networks: Understanding the value proposal within centralized and decentralized governance structures2019Självständigt arbete på avancerad nivå (yrkesexamen), 20 poäng / 30 hpStudentuppsats (Examensarbete)
    Abstract [en]

    Purpose increasing the understanding of what distinguish a decentralized from a centralized blockchain business network and identify its value creating mechanisms. To fulfill this research purpose, three research questions have been derived, RQ1: What distinguishes a decentralized from a centralized blockchain business network?, RQ2: How are the blockchain business network values affected by a decentralized vs centralized network model? and RQ3: Which value creating mechanisms exists within decentralized blockchain networks?

    Method – This study was conducted as an abductive explorative study with interviews of actors that works with their own blockchain or is an expert in the subject, respondents from 9 different industries were participating. In total 25 interviews were held in two phases and they were together with a workshop analyzed through a thematic analysis.

    Findings – The findings from the study resulted in a framework including four separate areas, namely, Governance models, Blockchain values, Business network values and Value creating mechanisms. There were three governance modes, Lead organization, Network administrative organization and Participant owned organization. Furthermore, this study has resulted in 12 blockchain values, 11 network values and 9 value creating mechanisms.

    Theoretical and practical implications – This study gives an answer to the question what distinguish the decentralized and centralized nature of a blockchain business network, stating that the most value critical factor is the choice of network governance model. Furthermore, additional examples of blockchain and network values have been presented and those values have been analyzed through three different governance models. Also, the 9 value creating mechanisms have been described and analyzed from a decentralized blockchain network perspective. The practical implications give managers insight of which value creating mechanisms that exists for a decentralized blockchain business network, an understanding that could help them decide on if blockchain fits their business needs or not. Lastly, by providing an overview of which the strengths and weaknesses are of different governance models for a blockchain business network, managers could better align their network governance.

    Limitations and future research – Due to the explorative nature of this study these frameworks and relationships are built from our research and will need future validation from similar study to test its applicability in a larger extent. Hence, future studies with these frameworks and matrixes as reference point would be interesting.

  • 149.
    Carlsson, Bo
    et al.
    Case Western Reserve University, Cleveland.
    Braunerhjelm, Pontus
    Kungliga tekniska högskolan, KTH.
    McKelvey, Maureen
    Göteborgs universitet.
    Olofsson, Christer
    Sveriges Lantbruksuniversitet.
    Persson, Lars
    Institute of Industrial Economics, Stockholm.
    Ylinenpää, Håkan
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Innovation och Design.
    The evolving domain of entrepreneurship research2013Ingår i: Small Business Economics, ISSN 0921-898X, E-ISSN 1573-0913, Vol. 41, nr 4, s. 913-930Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Research on entrepreneurship has flourished in recent years and is evolving rapidly. This article explores the history of entrepreneurship research, how the research domain has evolved, and its current status as an academic field. The need to concretize these issues stems partly from a general interest in defining the current research domain and partly from the more specific tasks confronting the prize committee of the Global Award for Entrepreneurship Research. Entrepreneurship has developed in many sub-fields within several disciplines-primarily economics, management/business administration, sociology, psychology, economic and cultural anthropology, business history, strategy, marketing, finance, and geography-representing a variety of research traditions, perspectives, and methods. We present an analytical framework that organizes our thinking about the domain of entrepreneurship research by specifying elements, levels of analysis, and the process/context. An overview is provided of where the field stands today and how it is positioned relative to the existing disciplines and new research fields upon which it draws. Areas needed for future progress are highlighted, particularly the need for a rigorous dynamic theory of entrepreneurship that relates entrepreneurial activity to economic growth and human welfare. Moreover, applied work based on more careful design as well as on theoretical models yielding more credible and robust estimates seems also highly warranted.

  • 150.
    Carlström, Mikael
    et al.
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle.
    Wargsjö, Hampus
    Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle.
    Printing Prosthetics: Designing an additive manufactured arm for developing countries2017Självständigt arbete på avancerad nivå (yrkesexamen), 20 poäng / 30 hpStudentuppsats (Examensarbete)
    Abstract [sv]

    De traditionella armproteser som tillverkas i utvecklingsländer står inför stora problem i att leverera patienter med lämpliga hjälpmedel. Processen är inte bara tidskrävande eftersom varje enhet måste anpassas för varje enskild användare men vissa komponenter kan inte produceras lokalt vilket driver upp priset ytterligare. Syftet med detta examensarbete var att utveckla en armprotes för utvecklingsländerna med hjälp av additiv tillverkning (3D Printing) för klienten 3D Life Prints som baseras i Nairobi, Kenya. En protes är ett hjälpmedel som används för att underlätta en amputerad människa i dagliga aktiviteter och med hjälp av additiv tillverkning kan även en lokal tillverkningsprocess utvecklas och förbättras vilket skulle kunna minska tiden för tillverkning och distribution av proteser. Den initiala protesen, som låg till grund för designarbetet, var en underarmsprotes som fortfarande var i utvecklingsstadiet hos klienten. Protesen tillverkades med hjälp av tillverkningsmetoden Fused Deposit Modelling (FDM), som har den fördelen att den använder sig av relativt billiga 3D skrivare. För att sammanfatta syftet med projektet utvecklades följande frågeställningar

    1. Hur tillverkas, distribueras och används konventionella proteser i jämförelse med additivt tillverkade proteser i Nairobi, Kenya?

    2. Vem är den primära användaren av proteser i utvecklingsländer, vilka problem upplevs hos dagens lösningar och vilka faktorer anses vara den viktigaste hos användaren? Och varför? 

    3. Hur ska additivt tillverkade proteser utformas för optimal användning i utvecklingsländer? 

    Förutom att besvara frågeställningarna var målet att utvecklingen av systemet skulle leda till förbättrad funktionalitet för användaren och underlätta tillverkningen för organisationen. 

    För att få en allmän översikt över det vetenskapliga området av additivt tillverkade proteser studerades kontexten för utvecklingsländer, användarcentrerad design (eftersom syftet var att förbättra en produkt för en specifik användare), armproteser och additiv tillverkning. Resultatet, från de olika stadier av designprocessen, var den slutgiltiga designen av "3D Life Arm". Det slutliga systemet bestod av fyra huvudkomponenter, Kroppsselen, Inlägget, Proteshanden och Hylsan. Komponenterna använde sig utav additiv tillverkning i både styvt material (Kroppsselen, Hylsan och Inlägget) och flexibelt material (Proteshanden). Lokalt tillgängliga komponenter användes där additiv tillverkning inte var möjligt till exempel fisketråd och skruvar. En slutsats drogs att de två faktorer som ansågs viktigast för användaren var att produkten skulle vara estetiskt tilltalande och billig. Även sociala stigman spelar en stor roll och enligt användare och experter i Nairobi, måste protesen efterlikna den saknade armen så mycket som möjligt för att kunna smälta in. Författarna konstaterade att kostnaden var den viktigaste faktorn när man utformar proteser för utvecklingsländerna, eftersom användaren i dagsläget inte har råd med de proteser som tillverkas i Nairobi. Sammanfattningsvis utfördes en kostnads- och tidsanalys för att kontrollera tillverkningskostnaderna för hela systemet. Med tre skrivare kunde alla delar tillverkas för 282 kronor och skulle ta cirka 15 timmar och 15 minuter att skriva ut som är betydligt lägre än de funktionella proteser som tillverkades i Nairobi. Ytterligare utvärderingar krävs för att fastställa att protesen kommer att klara av påfrestningarna från dagliga aktiviteter hos användaren och en fungerande strategi för passning måste utvärderas ytterligare. Författarna tror dock att med hjälp av en fullt utbildad protestillverkare finns det en framtid för additiv tillverkning av armproteser. 

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