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Concept for selecting and integrating traceability systems in the continuous improvement process of SMEs
(2019)
Industry 4.0 is characterized by digitization, globalized markets and a growing demand for individualized products. Therefore, the success of manufacturing companies heavily relies on innovative and customer driven products. However, the industrializing phase of such products is often characterized by the occurring of errors originating in a lack of experience. If errors are not detected prior to delivery, costs will increase considerably (e.g. expensive product recalls). Traceability systems can clearly identify the ...
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A GaN-based DC/DC converter for e-vehicles applications
(IEEE, 2020)
This paper presents a 4 kW GaN-based galvanically isolated bidirectional DC/DC converter suitable for on-board auxiliary power supply systems, interconnecting the HV battery with the LV power system. To enable the trend towards higher levels of electrification, a second LV level of 48 V is introduced to supply the high-power consumers, relieving the 12 V grid on the one hand and/or avoiding using additional costly isolated converters connected to the HV batteries on the other. The built converter prototypes aim to ...
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Quality Improvement In Manual Assembly By Software-Based Evaluation Of Human Misconduct
(European Safety and Reliability Association, 2019)
For reaching a level of high quality, production processes must be carried out both, economically and reliably. Despite automation and digitalization, manual assembly operations still constitute a key element for creating efficient production processes. However, in practice, creating robust and efficient manual assembly processes often fails because the occurrence of human errors cannot be quantified prospectively. Therefore, a corresponding procedure has been developed at the institutes of the authors. The module-based ...
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Referring nouns in name-informing quotation: A copula-based approach
(Universität OsnabrückenHumboldt-Universität zu Berlin, 2020)
In name-informing constructions like "The phenomenon is called a “sun halo”", the noun mentioned in the quotation (a “sun halo”) adopts a referring interpretation, as indicated by the determiner. As an account, we claim predicates like call to introduce a copular relation, which is the source of referring uses of nominals in name-informing quotation: To call y “n” entails that y is an n. Two copula types are argued to be covertly contained in name-informing constructions, an identificational copula and an equative ...
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Impact of implementation of auxiliary bias-windings on controllable inductors for power electronic converters
(IEEE, 2020)
Magnetic devices are an important part of electronic converters. They can be used to control some properties of the converters. There are three different control methods using an auxiliary bias-winding. In the presented paper, the impact of the implementation of the auxiliary bias-winding was studied for mixed biasing. Seven different designs were investigated in small signal measurements and 3D-FEM-simulations. The results were proven by calculated results of equivalent diagram circuits, which have been developed. ...
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Prophetic Violence
(Lit Verlag, 2003)
Pomography - this ward has become crucial in naming certain texts in the prophetic books of the Bible which deal with the metaphorization of Jerusalem/Samaria or Israel/Judah as wife and God as husband. This marital symbolism is, closely looked at, symbolism but not inevitably marital. lt pictures the relationship between God and bis people respectively between the husband and his wife in a way quite disturbing for modern readers. In my statement I want to question the term pomography for the prophetic texts conceming ...
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Green Luxury: New Divide in Positioning Strategies Needed?
(National University of Political Studies and Public Administration (SNSPA), Faculty of ManagementTritonic, 2017)
A basic and commonly shared implicit definition of luxury is “something superfluous.” Consuming such products and services contradicts the modern paradigm of sustainable consumption. However, luxury vendors are frequently introducing new technologies and better working conditions on a large scale, including natural colors and fair treatment of labor in the fashion industry, as well as fully electric-fueled cars, which Tesla has been producing. Previous research suggests that luxury and sustainability are incompatible. ...
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Beyond Ritz-Galerkin: Finite element approximations on a manifold in the configuration space [Abstract]
(Institute of Structural Analysis and Antiseismic Research, School of Civil Engineering, National Technical University of Athens (NTUA), 2016)
An extension of the Ritz-Galerkin method, based on finding approximations on a finite-dimensional manifold of functions (i.e., not a linear subspace) in the infinite-dimensional exact configuration space, will be presented. This new approach is particularly efficient in computing geometrically exact solutions for problems involving large rotations.
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The acceptance of mobile payments in the German retail market
(National University of Political Studies and Public Administration (SNSPA), Faculty of ManagementTritonic, 2016)
The acceptance of mobile payments is one of the research challenges of high strategic relevance in retailing. Most of the previous studies of mobile payment field focus on consumers’ opinions, expectations and concerns to assess their acceptance of mobile payment systems. The financial transactions’ complementing party – the merchants – who also needed to accept and, therefore, to implement mobile payment technologies is considered in this study. The purpose of this study is to enhance an existing research framework, ...
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Unleashing the Potential of Conversational Agents for Course Evaluations: Empirical Insights from a Comparison with Web Surveys
(Association for Information Systems, 2020)
Recent advances in Natural Language Processing (NLP) bear the opportunity to design new forms of human-computer interaction with conversational interfaces. However, little is known about how these interfaces change the way users respond in online course evaluations. We aim to explore the effects of conversational agents (CAs) on the response quality of online course evaluations in education compared to the common standard of web surveys. Past research indicates that web surveys come with disadvantages, such as poor ...