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Application of Parity Relation and Stationary Wavelet Transform to Fault Detection of Networked Control Systems

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2 Author(s)
Hao Ye ; Dept. of Autom., Tsinghua Univ., Beijing ; Yongqiang Wang

Problems related to fault detection of networked control systems have been studied in this paper. The influence of unknown and random network-induced delay on conventional fault detection systems based on parity relation and H2 optimization is first analyzed. Then a new procedure for designing fault detection systems for networked control systems with random network-induced delay and unknown inputs based on stationary wavelet transform and parity relation is proposed. The residual generator designed with the new approach is robust to both the random network-induced delay and the unknown input

Published in:

Industrial Electronics and Applications, 2006 1ST IEEE Conference on

Date of Conference:

24-26 May 2006