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  • 1.
    Grahn, Sten
    et al.
    Mälardalen University, School of Innovation, Design and Engineering, Innovation and Product Realisation. Swerea IVF AB.
    Gopinath, V.
    Linköping Universty.
    Wang, X. V.
    KTH.
    Johansen, K.
    Linköping Universty.
    Exploring a Model for Production System Design to Utilize Large Robots in Human-Robot Collaborative Assembly Cells2018In: Procedia Manufacturing, Elsevier B.V. , 2018, p. 612-619Conference paper (Refereed)
    Abstract [en]

    It has been shown that large robots can be safely installed for human-robot collaborative assembly cells in experimental setups. It has also been found that these installations require demanding considerations of a significant number of layout and safety parameters. This indicates that successful commercial implementations will require a resource efficient model for production system design that anticipates utilization of large robots in collaborative settings. Experiences from experimental setups have been used to explore a basic model for such production system design, to stimulate a discussion regarding what model characteristics should be tested and validated in future research.

  • 2.
    Grahn, Sten
    et al.
    Swerea IVF, Sweden.
    Granlund, Anna
    Mälardalen University, School of Innovation, Design and Engineering, Innovation and Product Realisation.
    Wiktorsson, Magnus
    Mälardalen University, School of Innovation, Design and Engineering, Innovation and Product Realisation.
    Friedler, Niklas
    Mälardalen University, School of Innovation, Design and Engineering, Innovation and Product Realisation.
    Defining 'benefit' when making production investments - an inquiry of current standards2014In: Swedish Production Symposium 2014 SPS 2014, Göteborg, Sweden, 2014Conference paper (Refereed)
    Abstract [en]

    Investments in production equipment are made to generate desired production benefit. This work examines how benefit generally is defined and to what extent the benefit is well defined when equipment investments are made. The study revealed that benefit from investments often is unclearly or inconsistently defined, with a narrow system view and often has a weak correlation with benefit for a production system with broader boundaries. This could hamper the possibility to capitalize on industrial trends that indicate a shift in focus, from products, to the benefit utilization of the products can deliver.

  • 3.
    Grahn, Sten
    et al.
    Mälardalen University, School of Innovation, Design and Engineering, Innovation and Product Realisation. Swerea IVF AB, Stockholm, Sweden.
    Johansen, Kerstin
    Linköping University, Sweden.
    Eriksson, Yvonne
    Mälardalen University, School of Innovation, Design and Engineering, Innovation and Product Realisation.
    Safety Assessment Strategy for Collaborative Robot Installations2017In: Robots Operating in Hazardous Environments / [ed] Hüseyin Canbolat, INTECH, 2017, p. 111-129Chapter in book (Other academic)
    Abstract [en]

    Industrial resource efficiency can be improved if the safety barrier between humans and robots is removed, as this enables operators and robots to work side by side or in direct collaboration to solve a task, usually referred to as a collaborative robot installation. Even though technology development makes the barrier removal ever more feasible from a safety perspective, this still produces a possible hazardous working environment, and safety assessment strategies are crucial. A wide area of knowledge is required to assess all fields that can help ensure safe human-machine interaction. Here the focus is primarily on providing a description of the key fields identified, including how operators psychologically accept working with robots, and providing a cursory description of the research front for each individual field. In addition to covering a large number of parameters, the assessment strategy also needs to be cost-effective. A significant part of all parameters that can be considered when attempting to produce optimized and cost-effective collaborative robot installations will also have a direct impact on operator safety. Hence, assessments for safety, and assessments for cost-effectiveness, cannot be separated, and are treated as two objectives that need to be viewed in sync

  • 4.
    Grahn, Sten
    et al.
    Mälardalen University, School of Innovation, Design and Engineering, Innovation and Product Realisation. Swerea IVF AB, Brinellvagen 68, S-10044 Stockholm, Sweden.;Malardalen Univ, Drottninggatan 12, S-63220 Eskilstuna, Sweden..
    Langbeck, Bjorn
    Swerea IVF AB, Brinellvagen 68, S-10044 Stockholm, Sweden..
    Johansen, Kerstin
    Linkoping Univ, S-58183 Linkoping, Sweden..
    Backman, Bjorn
    Swerea IVF AB, Brinellvagen 68, S-10044 Stockholm, Sweden..
    Potential advantages using large anthropomorphic robots in human-robot collaborative, hand guided assembly2016In: 6TH CIRP CONFERENCE ON ASSEMBLY TECHNOLOGIES AND SYSTEMS (CATS), 2016, p. 281-286Conference paper (Refereed)
    Abstract [en]

    Collaborative robot installations often mean man-machine workspace sharing. This mode of operation can lead to reductions of tact time and work space requirements. We have analyzed potential further benefits of man machine collaboration, where operators and powerful robots share workspace, cooperating when lifting and handling large objects. We found that this mode of operation has the potential to generate economic advantages by reducing the need for manual operators and lifting tools and by offering new opportunities for component logistics. (C) 2016 The Authors. Published by Elsevier B.V.

  • 5.
    Grahn, Sten
    et al.
    Swerea IVF, Sweden.
    Langbeck, Björn
    Swerea IVF, Sweden.
    Benefits of collaborative robots in assembly - an evaluation sceme2014In: Swedish Production Symposium 2014 SPS 2014, Göteborg, Sweden, 2014Conference paper (Refereed)
    Abstract [en]

    Programming, safety measures and handling of inflexibility stillhinder robot implementation for many applications. However, advancementsin several fields such as programming, human–machine-interfacesand safety system technology are about to change this. These advancementscould make it possible for operators to collaborate with robots that assistoperators at close range, without compromising safety, often referred to ascobot installations. The aim of the project was to produce a picture of howpotential economic advantages can be evaluated from installations of cobotcells, to be compared with manual assembly and standard robotinstallations.

  • 6.
    Granlund, Anna
    et al.
    Mälardalen University, School of Business, Society and Engineering, Industrial Economics and Organisation.
    Magnus, Wiktorsson
    Mälardalen University, School of Innovation, Design and Engineering, Innovation and Product Realisation.
    Friedler, Niklas
    Mälardalen University, School of Innovation, Design and Engineering, Innovation and Product Realisation.
    Grahn, Sten
    Mälardalen University, School of Innovation, Design and Engineering, Innovation and Product Realisation.
    Lean Automationsutveckling - Handbok2016Report (Other academic)
    Abstract [en]

    Trender mot mer automatiserad produktion och allt snabbare förändringstakt av produktionssystem ställer krav på snabba, effektiva och verksamhetsanpassade utvecklingsprocesser av automationslösningar. Denna handbok beskriver centrala delar i en automationsstrategi, som stöd för utveckling av automationslösningar till produktionssystem. Den är relevant för alla typer av tillverkande verksamheter och leverantörer som vill effektivisera anskaffandet och införandet av ny automationsteknik. Handboken beskriver en automationsstrategi uppdelad i fyra huvudområden: Del 1 – Ekonomi Del 2 – Organisation Del 3 – Process Del 4 – Teknik Stort fokus ligger på att engagera olika kompetenser och aktörer, liksom att betrakta automationsstrategin som en del av en helhet tillsammans med övriga delar i och utanför verksamheten. Automationsstrategin lyfter vilka faktorer inom de olika huvudområdena som påverkar vid utveckling av automationslösningar. Den gör det möjligt att analysera vilken affärsmodell som passar verksamhetens förutsättningar bäst och vilka organisatoriska strukturer som är viktiga för verksamhetens automationskompetens. Den innehåller också en stegmall för effektiv anskaffning av automationsutrustning och tre viktiga kategorier av teknik som kan stötta utvecklingsprocessen. Handboken har tagits fram i projektet lean automationsutveckling, eller LEAD, som har finansierats av Vinnovas program FFI Hållbar produktion under 2013-2015. Grundidén var att underlätta både planering, utveckling och anskaffning av automationslösningar genom att förse de utvecklingsprocesser som idag är etablerade med verktyg från lean produktutveckling. På så vis säkerställs att verksamheter kan dra nytta av ny automationsteknik med så effektivt utnyttjande av resurser, hög hållbarhet och hög lönsamhet som möjligt.

  • 7.
    Maffei, A.
    et al.
    KTH Royal Institute of Technology, Brinellvägen 68, Stockholm, 100 44, Sweden.
    Grahn, Sten
    Mälardalen University, School of Innovation, Design and Engineering, Innovation and Product Realisation. Mälardalens högskola, Eskilstuna, Sweden.
    Nuur, C.
    KTH Royal Institute of Technology, Brinellvägen 68, Stockholm, 100 44, Sweden.
    Characterization of the impact of digitalization on the adoption of sustainable business models in manufacturing2019In: Procedia CIRP, Elsevier B.V. , 2019, Vol. 81, p. 765-770Conference paper (Refereed)
    Abstract [en]

    Sustainability and digitalization are fast growing sub-topics in the domain of manufacturing research and they will both be main forces shaping the future production systems. An overview of the related literature reveals two big bodies of knowledge being created in these fields, but also a little intersection among them. The reason lies in the fact that while digitalization is a trend aimed mainly at technological advancement, sustainability requires a long term commitment to reshape the whole approach to business of a manufacturing firm. However, there is a growing indication in literature that digitalization can be a powerful tool in the necessary road towards sustainable manufacturing. This work analyses the related scientific contribution through the lens of the concept of Business Model (BM) and Business Model Innovation (BMI) as understood by leading economic literature. The result is a characterisation, and when possible a description of the ways digitalization can support manufacturing firms in the adoption of sustainable business models. 

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