On linear observers and application to fault detection in synchronous generators

Jan Erik STELLET 已出版文章查询
1 Tobias ROGG 已出版文章查询
Tobias ROGG

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1Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany

2Swiss Federal Institute of Technology, 8092, Zurich, Switzerland

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This work introduces an observer structure and highlights its distinct advantages in fault detection and isolation. Its application to the issue of shorted turns detection in synchronous generators is demonstrated. For the theoretical foundation, the convergence and design of Luenberger-type observers for disturbed linear time-invariant (LTI) single-input single-output (SISO) systems are reviewed with a particular focus on input and output disturbances. As an additional result, a simple observer design for stationary output disturbances that avoids a system order extension, as in classical results, is proposed.

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DOI: http://dx.doi.org/10.1007/s11768-014-3036-z

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