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This article analyzes the effects of self-balancing in multiactive bridge converters. Therefore, it proposes a time-domain approach to model the dynamics of multiwinding transformer-based multilevel dc/dc converter, including self-balancing. In previous research, multiwinding transformers have been modeled using average-based power transfer models. These models, while simple, have no direct intuit
Background and Objectives: Previous studies have suggested associations between pain perception and psychological factors such as mood, distress, fatigue, and quality of life. However, these factors and their relationship to pain sensitivity have typically been investigated in isolation and with insufficient sample sizes. To address these limitations, we examine the interplay between distinct psyc
A novel family of symmetric squaramide-based LMWGs has been synthesised, functionalized with both dansyl moieties and alkyl chain spacers of different lengths (n = 3 and n = 4 named L1 and L2, respectively). L1 and L2 are able to form hydrogels in the DMSO : H2O mixture in different ratios and concentrations. The gels obtained were characterized by means of rheology, TEM and small angle X-ray scat
The last ten years have seen a sharp increase in externally supported capacity development initiatives for disaster risk management. However, not all of them have generated sustainable results. The purpose of this paper is to scrutinize the current focus on training as the main tool for capacity development in the context of disaster risk management, and to argue for the necessity to address capac
We show that an ultraviolet prepulse significantly enhances the water-window x-ray emission and brightness for a droplet-target laser plasma. By combining a 65 mJ, 120 ps, lambda = 532 nm main pulse with an up to 3 mJ prepulse, the emitted x-ray photon flux may be increased more than eight times. The resulting C VI lambda = 3.37 nm line emission is more than 3 x 10(12) photons/sr . pulse, correspo
Design science research is an essential part of IS research since the field should not only try to understand how the world is, but also how to change it. We argue that the aim of IS design science research should be to develop practical knowledge not only for the design of novel information technology (IT), but also for IS governance and management. Whereas at least some methodological support ex
Bakgrund: Diabetes typ 2 är en sjukdom som allt fler människor i världen drabbas av. Detta anses bero på urbanisering, förändrade kostvanor och ett alltmer stillasittande liv. I Sverige beräknas 350 000 - 400 000 personer ha diabetes. Övervikt och fetma anses vara en av de främsta orsakerna till den snabba ökningen av diabetes typ 2. Trots att de flesta är medvetna om överviktens betydelse för att
The road haulage sector experiences a considerable amount of inefficiency, characterised by sub-optimal utilisation of an individual vehicle’s cubic load fill and weight hauling capacity. This study firstly aims to understand why – despite its evident economic and environmental cost – this phenomenon has existed over the years. Next, an overview of initiatives and opportunities for improving freig
Extension has been part of the European Union since its earlier days. Today, the EU consists of 27 member countries and five countries currently uphold candidate status. One of those five is Turkey. If the nation is granted membership into the EU, it will be the first Muslim country in the Union. It would also be due, to it’s population number, among the larger countries in the EU. This combinatio
Syftet med denna uppsats är att belysa problematiken kring tillämpningen av instituten ansvarsgenombrott respektive verksamhetsutövare i koncernförhållanden. Genom en studie av rättskällorna har jag fastställt rättsläget vad gäller de båda instituten. Tillsammans med avgörandet i MÖD 2013:28 har jag sedan tagit reda på vilka möjligheter det finns att göra moderbolaget ansvarigt för dotterbolagets The purpose of this essay is to illustrate the difficulties in applying the concepts of “piercing the corporate veil” (ansvarsgenombrott) and “operator” (verksamhetsutövare) in corporate group relationships. By studying the sources of law I have determined what is current law regarding the two institutes. Combining the outcome of this study with the judgement in case MÖD 2013:28 I have tried to es
The motivation for using a zero-dispersion monochromator as a band-pass filter with a Fourier transform spectrometer is discussed, and the design of such an instrument is presented. Benefits in performance over commercial band-pass filters are demonstrated. In addition the advantages of using the second optical output of the spectrometer are discussed, particularly with respect to absorption spect
Studies of the spin and parity quantum numbers of the Higgs boson are presented, based on protonproton collision data collected by the ATLAS experiment at the LHC. The Standard Model spin-parity J(P) = 0(+) hypothesis is compared with alternative hypotheses using the Higgs boson decays H -> gamma gamma, H -> ZZ* -> 4l and H -> WW* -> l nu l nu, as well as the combination of these channels. The ana
The nature of solid-solid phase transformations has been a long-standing question spanning the fields of metallurgy and condensed-matter physics, with applications from metallic alloys and ceramics to modern shape-memory materials. In spite of the importance of solid-to-solid transformations in many areas of materials science and condensed-matter physics and the numerous experimental and theoretic
Partially premixed combustion has the potential of high efficiency and simultaneous low soot and NOx emissions. Running the engine in PPC mode with high octane number fuels has the advantage of a longer premix period of fuel and air which reduces soot emissions, even at higher loads. The problem is the ignitability at low load and idle operating conditions. The objective is to investigate the use
Several physical phenomena appear in anode-supported solid oxide fuel cells (SOFCs), such as multi-component gas species/charge flow, thermal energy and mass transfer. Meanwhile, generation and consumption of gas- and surface-phase species together with electric current production are involved at the active sites in different length scales. Therefore, various reactions in SOFCs are strongly couple
