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- Dupret, Katia, et al.
(författare)
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Research collaboration for societal engagement and social innovation : Guidelines and reflections for best practices
- 2023
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- We understand research for societal engagement as research that is societally relevant in the sense that it fosters engagement and collaboration among different social actors. If you are interested in research collaboration with multiple stakeholders from inside and outside the university, this guide will provide you with guidelines to initiate, consolidate, and finalize collaborations, while addressing central dilemmas that transdisciplinary collaborators might meet along the way.These guidelines offer a way to engage with such dilemmas, aware that not all dilemmas can always be solved, as they emerge at individual, inter-subjective orpartnership level, often structured by institutional and organisational actions or logics that go beyond a particular collaborative project. While we haveinstitutionalized and well documented procedures and rules for ethical and responsible conduct of research and transdisciplinary collaborations, theseguidelines address a perspective that is embedded in local needs and practices, and which takes individual situatedness and inter-subjective relations into account. This guide invites general reflection on aspects related to conducting research with the aim of strengthening and upscaling societal engagement and social innovation. It offers an explorative approach to solution finding in situations of collaboration, inspired by core research responsibility dimensions (RRI –responsible research and innovation) like inclusion, reflexivity, transparency, anticipation and responsiveness and considerations of ethics of care. It thus linksbottom-up and social innovation with RRI and interrelational thinking.
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| 4. |
- Kersten, Anton, 1991, et al.
(författare)
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Online and On-Board Battery Impedance Estimation of Battery Cells, Modules or Packs in a Reconfigurable Battery System or Multilevel Inverter
- 2020
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Ingår i: IECON Proceedings (Industrial Electronics Conference). - 2162-4704 .- 2577-1647. ; 2020-October, s. 1884-1891
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Konferensbidrag (refereegranskat)abstract
- This paper shows two approaches to determine the battery impedance of battery cells or battery modules when used in a reconfigurable battery system (RBS) or in any type of modular multilevel converter (MMC) for electric drive applications. A generic battery model is used and the concepts of the recursive time and frequency-domain parameter extraction, using a current step and an electrochemical impedance spectroscopy, are explained. Thus, it is shown and demonstrated that the balancing current of neighboring cells/modules ,when in parallel operation, can be used, similar to the time-domain parameter extraction utilizing a current step, to determine the battery parameters. Furthermore, it is shown and demonstrated that a part of the inverter can be used as variable AC voltage source to control a sinusoidal current through the motor inductances of the drive train, which can be injected to the inserted battery cells/modules of an adjacent phase to perform an on-board impedance spectroscopy. Using either of the two presented approaches, the individual battery impedances can be easily determined, yielding the state of health (SOH) and the power capability of individual battery cells/modules. Nonetheless, the analyzed approaches were just considered to be applied at machine standstill, which is not suitable for grid-tied applications.
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| 6. |
- Nedergaard, Jan, et al.
(författare)
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Diet-Induced Thermogenesis : Principles and Pitfalls
- 2022
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Ingår i: Brown Adipose Tissue. - New York : Humana Press. - 9781071620861 - 9781071620878 ; , s. 177-202
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Bokkapitel (refereegranskat)abstract
- Concerning diet-induced thermogenesis, methodological issues relate mainly to the interpretation of measurements, rather than to the technical methodology as such. In the following, we point to a series of issues where the analysis often suggests the occurrence of UCP1-related diet-induced thermogenesis but where the observations are often the consequences of a process that has induced leanness rather than being the cause of them. We particularly emphasize the necessity of focusing on the total organism when interpreting biochemical and molecular data, where the concept of total tissue values rather than relative data better reflects physiologically important alterations. We stress the importance of performing experiments at thermoneutrality in order to obtain clinically relevant data and stress that true thermogenic agents may be overlooked if this is not done.
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| 8. |
- Shchadilova, Yulia E., et al.
(författare)
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Isotope effect in acetylene C2H2 and C2D2 rotations on Cu(001)
- 2014
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Ingår i: Physical Review B. Condensed Matter and Materials Physics. - 1098-0121 .- 1550-235X. ; 89:16, s. Article ID: 165418-
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Tidskriftsartikel (refereegranskat)abstract
- A comprehensive analysis of the elementary processes behind the scanning tunneling microscope controlled rotation of C2H2 and C2D2, isotopologues of a single acetylene molecule adsorbed on the Cu(001) surface, is given, with a focus on the isotope effects. With the help of density-functional theory we calculate the vibrational modes of C2H2 and C2D2 on Cu(001) and estimate the anharmonic couplings between them, using a simple strings-on-rods model. The probability of the elementary processes, nonlinear and combination band, is estimated using the Keldysh diagram technique. This allows us to clarify the main peculiarities and the isotope effects of the C2H2 and C2D2 on Cu(001) rotation, discovered in the pioneering work [B. C. Stipe et al., Phys. Rev. Lett. 81, 1263 (1998)], which have not been previously understood.
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| 9. |
- Strom, Erik, et al.
(författare)
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Vehicular Communications
- 2011
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Ingår i: Proceedings of the IEEE. - : Institute of Electrical and Electronics Engineers (IEEE). - 0018-9219 .- 1558-2256. ; 99:7, s. 1158-1161
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Tidskriftsartikel (refereegranskat)
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| 10. |
- Jin, Cheng, et al.
(författare)
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Ultra-Wide-Angle Bandpass Frequency Selective Surface
- 2021
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Ingår i: IEEE Transactions on Antennas and Propagation. - 0018-926X .- 1558-2221. ; 69:9, s. 5673-5681
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Tidskriftsartikel (refereegranskat)abstract
- A novel theory is proposed in this paper to design a bandpass frequency selective surface (FSS) with a stable angular response. Based on this theory, the performance of the structure is closely related to its tangential and normal components of permittivity and permeability. Theoretical formulas are derived to realize a high-efficiency transmission response with angular independency. To validate our design concept, an ultra-wide-angle bandpass FSS with metallic strips and square patch printed on the dielectric substrate is designed, and it exhibits a characteristic impedance matching for nearly all incident angles from 0° to 80°. Moreover, varactor diodes are mounted at the center of the square patch, and the transmission window can be tuned by changing the capacitance of the varactors from 6.07 GHz to 6.61 GHz without affecting its ultra-wide-angle characteristic. Finally, a prototype of the tunable ultra-wide-angle bandpass FSS is fabricated and measured, and the experimental results are in satisfying agreement with the predicted ones.
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