A frequency domain approach to fault detection in sampled-data systems |
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| Authors: | P Zhang GZ Wang |
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| Affiliation: | a Department of Automation, Tsinghua University, Beijing 100084, People's Republic of China
b Institute for automatic control and complex systems, Faculty 5, University of Duisburg, Bismarckstr. 81 BB, 47048 Duisburg, Germany |
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| Abstract: | This paper deals with fault detection problems in sampled-data (SD) systems. A tool is first introduced for the analysis of intersample behavior of SD systems in the frequency domain from the viewpoint of fault detection and isolation. Based on it, a direct design approach of fault detection systems for SD systems is proposed, and further the problem of full decoupling from unknown disturbances is studied. |
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| Keywords: | Fault detection Sampled-data systems Residual generation Frequency domain approach Robustness |
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