Modellreduktion und dynamische Beobachter für Torsionsschwingungen in Turbosätzen

D. Prätzel-Wolters (), P. Lang and S. Kulig
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D. Prätzel-Wolters: Universität Kaiserslautern, Arbeitsgruppe Technomathematik
P. Lang: Universität Kaiserslautern, Arbeitsgruppe Technomathematik
S. Kulig: Siemens AG, Dampfturbinen- und Generatorenwerk

A chapter in Mathematik Schlüsseltechnologie für die Zukunft, 1997, pp 491-500 from Springer

Abstract: Abstract Turbo generators, which generally consist of different turbines, an excitator and a generator, are used for electrical power production. Online-monitoring of those machines is an important task, since torsional moments that arise in the shaft couplings during malfunction situations reduce their life-time expectancy. The shaft model is obtained by FE-discretization of an undamped wave equation; damping is introduced in terms of modal damping coefficients. Since the dimension of this model is too high to allow online-simulations, frequency-weighted model reduction techniques are applied. The reduced shaft model, which is augmented by noise from filters, is the basis for the subsequent observer design.

Date: 1997
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DOI: 10.1007/978-3-642-60550-5_40

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