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Recent development of GaN power transistors with blocking voltages up to 650V enables novel power electronics applications with outstanding performance in high-frequency operation. This paper demonstrates a class E power amplifier with 13.56MHz switching frequency for inductively coupled DC power supplies. Continuous wave output power up to 200W is achieved with 95% Power Added Efficiency (PAE).
Being of a particular character "trust" eludes a purely strategic approach as it has to be balanced with the special needs of a fragile human resource. Still trust is a resource of strategic relevance since it establishes security, reduces complexity and opens potentials being bigger than simply the reduction of "cost of control". These characteristics are of special interest for management, as competent action is always bound to problem-solving-abilities under circumstances of insecurity. Further to this there are numerous situations where control is not applicable and where we simply don’t have full knowledge. Also trust is particular as it bypasses financial efforts and grows through usage; an investment of high amortization though that deserves closer attention of management especially valid in times of skilled worker shortage and with respect to organizational learning as a valuable competitive advantage.
The purpose of this paper is to develop direct and indirect measurable on the impact of trust on employee competence utilization and its subsequent realization in a strategic scorecard approach. This is based on a new integrative model in the organizational context applicable for strategicmanagement. With this the objective of the paper is to answer the question if culture of trust is an adequate instrument for strategic management. The empirical evaluation of the model is based on a survey directed to employees of selected companies in a pragmatic mixed methods application. The selected view considers the trust level of employees with regard to management as another individual and the organization itself; personal and institutional trust mechanisms are affected.Thus the employee evaluates its management.
As a result, the empirical study suggests that it is possible to specify frameworks for the establishment of trust, and that its impact on competence utilization is moreover significant. However the concept of trust creates challenging requirements on managers. Based on the assumption that employees basically think and act in the sense of the company, benevolence and goodwill must be involved to avoid an opportunistic approach. Further to this accountability, shared norms and freedom to take responsibility need to be proven by behavior.
The allowance of constructive seriously taken criticism, problem solving attitude, the acceptance of decisions are further key points for trust supporting frameworks that have to be accepted and shown through behavior.
In einem beispielhaften Pilotprojekt wird das ehemalige Kasernengelände bei Bad Aibling zur "Nullenergiestadt" saniert und modernisiert. Dabei beschäftigt sich das Projekt mit Fragen des energieeffizienten Bauens in Bestand und Neubau, sowie mit der ganzheitlichen Betrachtung von Gebäuden im Verbund zu Siedlungen, Kommunen und Städten.
Im Rahmen eines durch das BMWi geförderten Forschungsprojekts wird das Vorhaben wissenschaftlich begleitet. Die Hochschule Rosenheim übernimmt im Projekt das energetische Monitoring und dessen Auswertung. Neben dem Monitoring der Einzelgebäude ist dabei ein wesentlicher Bestandteil die Betrachtung eines niedrigtemperierten Nahwärmenetzes, das im Sommer ausschließlich über große Solarthermieflächen gespeist wird.
In diesem Low-Ex-Ansatz sind auch Innovationen wie die "Fassadenheizung", die Untersuchung dezentraler vs. zentraler Lüftungsanlagen in der Gebäudesanierung und die Planung höchst energieeffizienter Gebäude ein Thema.
Agiles Projektmanagement
(2015)
Im Januar 2015 befasste sich das IFRS IC abschließend mit der Bilanzierung eingebetteter Derivate bei Verträgen in Fremdwährung. Das IFRS IC stellte fest, dass die Entscheidung, ob ein abspaltungspflichtiges eingebettetes Derivat vorliegt, einzelfallabhängig zu treffen ist. Das Kriterium der im internationalen Handel üblichen Währung ist dabei weder auf börsengehandelte Rohstoffe (commodities) beschränkt, noch werden die möglichen Grundgeschäfte im Standard abschließend aufgezählt. Das Beispiel der Filmindustrie zeigt, wie diese Regelung in der Praxis sinnvoll auf Verträge in Fremdwährung anwendbar ist.
Identifying drawbacks or insufficiencies in terms of safety is important also in early development stages of safety critical systems. In industry, development artefacts such as components or units, are often reused from existing artefacts to save time and costs. When development artefacts are reused, their existing safety analysis models are an important input for an early safety assessment for the new system, since they already provide a valid model. Component fault trees support such reuse strategies by a compositional horizontal approach. But current development strategies do not only divide systems horizontally, e.g., By encapsulating different functionality into separate components and hierarchies of components, but also vertically, e.g. Into software and hardware architecture layers. Current safety analysis methodologies, such as component fault trees, do not support such vertical layers. Therefore, we present here a methodology that is able to divide safety analysis models into different layers of a systems architecture. We use so called Architecture Layer Failure Dependencies to enable component fault trees on different layers of an architecture. These dependencies are then used to generate safety evidence for the entire system and over all different architecture layers. A case study applies the approach to hardware and software layers.
We show experimentally that field-free one-dimensional (1D) alignment of 1,4-diiodobenzene molecules embedded in helium nanodroplets, induced by a single, linearly polarized 200-fs laser pulse, can be significantly enhanced by using two or four optimally synchronized laser pulses. The strongest degree of 1D alignment is obtained with four pulses and gives ⟨cos2θ⟩>0.60. Besides the immediate implications for molecular frame studies, our results pave the way for more general manipulation of rotational motion of molecules in He droplets.
Safety assurance is a major challenge in the design of today's complex embedded systems and future Cyber-physical systems. Especially changes in a system's architectural design invalidate former safety analyses and require an adaptation of related safety analysis models in order to restore consistency. In this work, we present an approach for automatically generating mappings between failure ports in compositional safety analysis models. This way, automatic and system-wide safety analyses are enabled that can be easily repeated after making modifications to the system's architecture. We demonstrate the feasibility of our approach using a case study from the automotive domain.
Safety assurance is a major challenge in the design of complex embedded and Cyber-physical Systems. Especially, changes and adoptions during the design or run-time of an embedded system invalidate former safety analyses and require an adaptation of the system's safety analysis models. In this paper, we present a methodology to fill up empty safety analysis artifacts in component fault trees using so-called inner port dependency traces to describe failure propagation. Thus, enabling a imprecise but rapid safety analysis of an entire system at early development stages or during system run-time for the automated certification of Cyber-physical Systems. We evaluate our approach using case study from the automotive domain.