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Reliable and regional differentiated power forecasts are required to guarantee an efficient and economic energy transition towards renewable energies. Amongst other renewable energy technologies, e.g. wind mills, photovoltaic systems are an essential component of this transition being cost-efficient and simply to install. Reliable power forecasts are however required for a grid integration of photovoltaic systems, which among other data requires high-resolution spatio-temporal global irradiance data. Hence the generation of robust reviewed global irradiance data is an essential contribution for the energy transition.
Noncooperative Game Theory
(2016)
The mechanical properties of plastic components, especially if they are made of semi-crystalline polymers, are considerably influenced by the process conditions. The degree of crystallization influences thermal and mechanical properties. Even more important is the orientation of molecules due to stretching of the polymer melt. Anisotropic material properties are the result of such orientations. Up to now all these effects are not considered within the simulation models of blow molded parts.
Gleichlaufgelenke als Teil der Antriebswellen (Seitenwellen und Längswellen) sind in allen maßgeblichen Triebstrangkonfigurationen im direkten Leistungsfluss angeordnet. Ihre Hauptfunktion ist die Übertragung einer Antriebsleistung unter Ermöglichung von Abbeugung und Axialverschiebung. Dieser Beitrag soll einen Überblick zu den wesentlichen, auf dem heutigen Markt verbreiteten Bauweisen und ihren jeweiligen Einsatzgebieten geben. Besonders berücksichtigt werden hierbei neue Gelenkkonzepte, die sich aufgrund ihrer besonderen Gestaltung durch deutlich höhere Wirkungsgrade auszeichnen. Der Einfluss auf den Energieverbrauch soll quantifiziert werden, hierzu wird ein neuartiger Berechnungsansatz vorgestellt, der eine einfache Abschätzung des Einflusses von Wirkungsgradverbesserungen auf den Energieverbrauch für verschiedener Antriebskonzepte (ICE / Hybrid / E-Fahrzeuge) erlaubt.
The Fitness-Fatigue model (Calvert et al. 1976) is widely used for performance analysis. This antagonistic model is based on a fitness-term, a fatigue-term, and an initial basic level of performance. Instead of generic parameter values, individualizing the model needs a fitting of parameters. With fitted parameters, the model adapts to account for individual responses to strain. Even though in most cases fitting of recorded training data shows useful results, without modification the model cannot be simply used for prediction.
During exercise, heart rate has proven to be a good measure in planning workouts. It is not only simple to measure but also well understood and has been used for many years for workout planning. To use heart rate to control physical exercise, a model which predicts future heart rate dependent on a given strain can be utilized. In this paper, we present a mathematical model based on convolution for predicting the heart rate response to strain with four physiologically explainable parameters. This model is based on the general idea of the Fitness-Fatigue model for performance analysis, but is revised here for heart rate analysis. Comparisons show that the Convolution model can compete with other known heart rate models. Furthermore, this new model can be improved by reducing the number of parameters. The remaining parameter seems to be a promising indicator of the actual subject’s fitness.