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In this paper, a new method is demonstrated for online remote simulation of photovoltaic systems. The required communication technology for the data exchange is introduced and the methods of PV generator parameter extraction for the simulation models are analysed. The method shown for parameter extraction from the manufacturer data is especially useful for the commissioning procedure, where the measured installed power is transferred to standard test conditions using the simulation model and can then be easily compared with the design power. At a simulation accuracy of 2% using the software environment INSEL ® any problems with the PV generator can reliably be detected. Online simulation of a grid connected PV generator is then carried out during the operation of the photovoltaic plant. The visualisation includes both the monitored and the simulated online data sets, so that a very efficient fault detection scheme is available. The method is implemented and validated on several grid connected photovoltaic power plants in Germany. It is excellently suited to provide automatic and real time fault detection and significantly improve the commissioning procedure for photovoltaic plants of all sizes.
Sustainable Aspects force a building manager to continuous observation of actual states and developments concerning building use, energy and media flows.In the presented approach a communication structure was built up to use different software applications and tools in order to optimize the operation of the building.
Im Rahmen einer Master Thesis wurde ausgehend von einem vorhandenen System On Chip Design, welches eingehende EKG-Datensignale verarbeitet, das bestehende System so erweitert dass es komplett über den standardisierten SPI-Bus steuerbar und auslesbar ist.
BioPower
(2009)
Das Projekt BioPower ist eine Kooperation des Instituts für Angewandte Forschung (IAF) der Hochschule Offenburg mit dem Institut für Mikrosystemtechnik (IMTEK) der Universität Freiburg. Es handelt sich um den Versuch, die im Körper vorhandenen Energiequellen sozusagen direkt anzuzapfen, um sie für technische Zwecke zu nutzen. Von den vielen bestehenden Möglichkeiten konzentriert sich die Forschung hier auf die Nutzung der Glukose im Blut, die auch sonst als Energieträger zur Versorgung der Zellen im Körper dient.