On the relationship between parity space and approaches to fault detection |
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| Authors: | P Zhang H Ye SX Ding GZ Wang DH Zhou |
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| Affiliation: | aInstitute for Automatic Control and Complex Systems, University of Duisburg-Essen, Bismarckstr. 81 BB, 47048 Duisburg, Germany;bDepartment of Automation, Tsinghua University, Beijing 100084, PR China |
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| Abstract: | Parity space approach and H2 approach are two important fault detection approaches. This paper studies the relationship between these two approaches, which reveals frequency domain characteristics of the optimal solution of the parity space approach on the one side and provides a numerical solution of the H2-optimal design of residual generators on the other side. |
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| Keywords: | Fault detection Discrete-time systems Parity space approach Frequency domain approach Robustness |
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