| 1. |
- Farjana, Sadia, 1983, et al.
(författare)
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Dry film photoresist-based microfabrication : A new method to fabricate millimeter-wave waveguide components
- 2021
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Ingår i: Micromachines. - : MDPI AG. - 2072-666X. ; 12:3
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Tidskriftsartikel (refereegranskat)abstract
- This paper presents a novel fabrication method based on dry film photoresists to realize waveguides and waveguide-based passive components operating at the millimeter-wave frequency (30–300 GHz). We demonstrate that the proposed fabrication method has a high potential as an alternative to other microfabrication technologies, such as silicon-based and SU8-based micromachining for realizing millimeter-wave waveguide components. Along with the nearly identical transfer of geometrical structures, the dry film photoresist offers other advantages such as fewer processing steps, lower production cost, and shorter prototyping time over the conventional micromachining technologies. To demonstrate the feasibility of the fabrication process, we use SUEX dry film to fabricate a ridge gap waveguide resonator. The resonator is designed to exhibit two resonances at 234.6 and 284 GHz. The measured attenuation at 234 GHz is 0.032 dB/mm and at 283 GHz is 0.033 dB/mm for the fabricated prototype. A comparative study among different existing technologies indicates that the reported method can give a better unloaded Q-value than other conventional processes. The measured unloaded Q-values are in good agreement with the simulated unloaded Q-values. The signal attenuation indicates that SUEX dry film photoresists can be used to fabricate passive devices operating at millimeter-wave frequencies. Moreover, this new fabrication method can offer fast and low-cost prototyping. © 2021 by the authors.
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| 2. |
- Kurdve, Martin, et al.
(författare)
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Can Social Sustainability Values be Incorporated in a Product Service System for Temporary Public Building Modules?
- 2017
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Ingår i: Procedia CIRP. - : Elsevier. - 2212-8271. ; 64, s. 193-198
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Tidskriftsartikel (refereegranskat)abstract
- The temporary constructions industry has cost efficiency and sustainability challenges that may require new innovative business models as well as product and processes. This paperaims to discuss how social sustainability services can be included in product service system (PSS)by investigating a case where employment is offered in distributed temporary building module manufacturing in the PSS context. The case has been evaluated against PSS literature. Recent reviews and literature on inclusion of social sustainability and PSS for buildings were used. It is concluded that the current concept fits basic definitions of PSS although it is not typical. The social value of employment is difficult to evaluate and inclusion in PSS needs further research. Design practice could be used to further develop the services in the studied concept. © 2017 The Authors.
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| 3. |
- Kurdve, Martin, 1971, et al.
(författare)
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Development of the urban and industrial symbiosis in western Mälardalen
- 2018
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Ingår i: Procedia CIRP. - : Elsevier BV. - 2212-8271. ; 73, s. 96-101
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Konferensbidrag (refereegranskat)abstract
- From a product service systems business model development perspective, this paper presents a case study of Västra Mälardalens industrial symbiosis, its maturity level and potentials for further development. The status and potentials of the symbiosis network, based on a survey, interviews and workshops, together with background statistics, is used to evaluate the potential improvement areas and suggest future research. The study contributes with application of evaluation models and confirms earlier research and in addition suggests future research in the field. The Symbiosis network has potential to be acting as innovation catalyst supporting companies to go beyond core business development.
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| 4. |
- Mattsson, Sandra, 1984, et al.
(författare)
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Using the compleXity index for improvement work : Investigating utilisation in an automotive company
- 2020
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Ingår i: International Journal of Manufacturing Research. - : Inderscience Enterprises Ltd.. - 1750-0591 .- 1750-0605. ; 15:1, s. 3-21
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Tidskriftsartikel (refereegranskat)abstract
- CompleXity index (CXI) is a method that measures perceived production complexity. CXI was applied in the assembly and material-handling department at a manufacturer in the automotive industry, followed by workshops. The aim of the article was, based on the results, to investigate if CXI could be used to capture and transmit a current situation and be used by the operators and managers for improvement work. A high CXI level was measured for most of the production areas. The areas were mainly perceived as complex due to work variance and station design. The workshops revealed that the operators felt identified with the results and thought the method could be used to discuss their situation in detail.
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| 5. |
- Kurdve, Martin, Dr, 1971-, et al.
(författare)
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Establishing SME–university collaboration through innovation support programmes
- 2020
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Ingår i: Journal of Manufacturing Technology Management. - : Emerald Group Publishing Ltd.. - 1741-038X .- 1758-7786. ; 31:8, s. 1583-1604
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Tidskriftsartikel (refereegranskat)abstract
- Purpose: The research purpose is to analyse when and how innovation support programmes (ISPs) can affect collaboration between universities and established small and medium sized enterprises (SMEs). The paper specifically considers SME’s absorptive capacity. Design/methodology/approach: A Swedish research centre is studied in the context of innovation support and two of its SME-ISPs are examined with regards to industry–university collaboration and impact on firm innovation capabilities. Data collection and analysis are performed, using interviews, survey answers, document search and reflectional analysis to evaluate processes and effects of the centre and the programmes. Findings: A developed research centre, integrated into both academia and industry, can support translational collaboration and promote SME innovation absorptive capacity. The action learning elements and the organisational development approaches used when coaching in the ISPs contribute to the SMEs internal absorption capacity and collaborational skills. Organising collaboration into ISPs can provide a relational path to future collaboration with universities, which, for example start with student projects. Research limitations/implications: The study, though limited to one Swedish region, adds to empirical innovation research as it connects industry–university collaboration and absorptive capacity to organisational learning. Practical implications: The empirical results indicate possible long-term gains for industry and universities in building collaborative innovation into SME-ISPs. Originality/value: The contribution of this study pertains to the practice of innovation support for established SMEs with the inclusion of absorption capacity and collaborative innovation development.
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| 6. |
- Aamodt, Edvard, et al.
(författare)
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Review of efficient manual fire extinguishing methods and equipment for the fire service
- 2020
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- The late 90s and the early 2000s was a period with relative extensive research and innovation in the area of manual fire extinguishing methods and equipment for the fire service. New equipment such as the cutting extinguisher and extinguishing spears allowed to conduct offensive attacks from the exterior of a building, reducing the exposure of fire fighters to fire and smoke and their associated risks in general. This led to the development of new firefighting tactics, as for example the Quadrant Model of the Dutch fire service, which extends the “traditional” offensive interior attack and defensive exterior attack by the offensive exterior attack and defensive interior attack.Recently the research focus has furthermore increasingly shifted to environmental aspects, such as the water consumption and effect of additives (i.e., foam) on humans and the environment. Extinguishing with smaller amounts of water is beneficial for the environment, reduces water damage and lowers the burden on the water delivery system.ConclusionIn conclusion, the systems most relevant to be further tested in a fire situation in a small house or dwelling are the cutting extinguisher and the extinguishing spear.These systems are different in operation but have both shown to be promising with regard to fulfilling the different objectives of the overall project. Being relatively easy to utilize with the right training during internal extinguishing efforts executed from the outside of the building, and being only water based to minimize contamination, due to lower water consumption, of the surrounding areas give these systems advantages over conventional equipment.Especially if the systems are used in combination with an IR camera to locate the fire, the extinguishing efforts can be started early and effectively, and the water amount needed to control the fire may be reduced. The need for firefighters with breathing apparatus is reduced as well, hence reducing the smoke exposure to firefighters.The fact that the fire service also recognizes the potential of using these systems early in the extinguishing efforts, and is working on implementing them, prompts the need for scientific backup.
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| 7. |
- Almeida Costa, Nicole, 1988, et al.
(författare)
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A case study of user adherence and software project performance barriers from a sociotechnical viewpoint
- 2019
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Ingår i: Advances in Intelligent Systems and Computing. - Cham : Springer International Publishing. - 2194-5365 .- 2194-5357. ; 787, s. 12-23
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Konferensbidrag (refereegranskat)abstract
- A marine propeller company and a technical university collaborated to optimize the company’s existing propeller design software. This paper reviews the project based on a sociotechnical perspective to organizational change on (a) how the university-company project and user involvement were organized, and (b) what the main management barriers were and why they may have occurred. Fieldwork included interviews and observations with university and company stakeholders over thirteen months. The data was analyzed and sorted into themes describing the barriers, such as lack of a planned strategy for deliverables or resource use in the project; the users exhibited low adherence towards the optimized software, as well as there was limited time and training allocated for them to test it. Lessons learned suggest clarifying stakeholder roles and contributions, and engaging the users earlier and beyond testing the software for malfunctions to enhance knowledge mobilization, involve them in the change and increase acceptance.
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| 8. |
- Amann, Daniel, Doktorand, et al.
(författare)
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Affordability Aspects in the Development of Defence Equipment : Case Studies of Concept Generation in the Defence Industry
- 2021
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Ingår i: Defence and Peace Economics. - : Informa UK Limited. - 1024-2694 .- 1476-8267. ; 32:7, s. 847-863
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Tidskriftsartikel (refereegranskat)abstract
- Cost escalation for many complex defence equipment is arguably not sustainable. Customer driven requirements have led to an exponential increase in costs by pushing frontiers of technology to support primarily incremental improvements of traditional equipment concepts. Accordingly, affordability has become a more discussed subject indefence acquisition. This paper addresses the process of generating complex defence equipment concepts. The purpose is to explore how affordability is managed in that process and to identify possible leads to how an unsustainable cost escalation for this type of equipment can be curbed. This is done by studying two cases of concept generation of future combat air equipment systems from a company process perspective. This applied micro perspective on cost escalation showed that none of the concepts generated in these two cases were assessed to curb the cost escalation. Further, the innovation model for the generated concepts, with only one notable exception, was incremental. Nevertheless, the empirical observations from these two cases offer leads on how to potentially foster a more innovative and affordability-oriented concept generation process for future defence equipment, as well as indicating avenues for future research.
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| 9. |
- Amann, Daniel, Doktorand, et al.
(författare)
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Managing affordability in concept development of complex product systems (CoPS)
- 2023
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Ingår i: Technology Analysis & Strategic Management. - : Informa UK Limited. - 0953-7325 .- 1465-3990. ; 35:1, s. 93-106
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Tidskriftsartikel (refereegranskat)abstract
- This study originates in a recognised unsustainable cost escalation for complex defence equipment. In order to understand how such cost escalation for complex product systems (CoPS) can be avoided, this study comparatively explores four different industrial sectors - energy, transportation, healthcare and defence - with and without intergenerational increasing costs, represented by four international companies. The results, collected from studying the development of one of each company’s products, reveal some characteristic differences in market factors between those sectors and companies having problems with intergenerational escalating costs and customer affordability, as compared to other sectors and companies. It is suggested that dependent on market characteristics, it might be necessary to actively manage affordability when CoPS are developed. Efforts made by the companies to make products more affordable were identified, and several factors enabling and disabling the development of less costly products without compromising customer needs were explored. Further, the implications of affordability management in a CoPS setting are elaborated on.
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| 10. |
- Andersson, Johnn, 1983, et al.
(författare)
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On the functional and structural scope of technological innovation systems – A literature review with conceptual suggestions
- 2023
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Ingår i: Environmental Innovation and Societal Transitions. - 2210-4224 .- 2210-4232. ; 49
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Forskningsöversikt (refereegranskat)abstract
- This paper reviews how the functional and structural scope of technological innovation systems (TIS) are understood in the literature. We find that it is often unclear if the system function involves innovation, production or both, and a lack of agreement as to whether structural elements are social or social and technical. Since these issues risk hindering cumulative knowledge development and conceptual advancements, we argue that a clear and shared underlying system model is needed. Taking steps in this direction, we propose that the function of a TIS is to develop and shape a specific technology; that this technology can be understood as a production-consumption system; and that the structural elements of a TIS are social, technical and possibly ecological. In addition, we offer guidance to boundary-setting in empirical case studies. We hope that the paper will inspire continued conceptual development in the TIS community and beyond.
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