Journal
INTERNATIONAL JOURNAL OF ADAPTIVE CONTROL AND SIGNAL PROCESSING
Volume 30, Issue 5, Pages 790-806Publisher
WILEY
DOI: 10.1002/acs.2652
Keywords
Fault detection filter design; networked control systems; time-varying sampling periods
Funding
- National Science Foundation of China [61374063, 61403170]
- '333 Project' Research Foundation in Jiangsu Province, China [BRA2015358]
- 'Six Talent Peaks Project' in Jiangsu Province, China [DZXX-025]
- 'Qing Lan Project' in Jiangsu Province, China
- Overseas Research Project for Excellent Young and Middle-aged Teachers in Universities of Jiangsu Province, China
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This paper investigates the problem of fault detection for networked control systems under simultaneous consideration of time-varying sampling periods and packet dropouts. By taking time-varying sampling periods into consideration, a new closed-loop model for the considered networked control systems is established. The sampling period switching-based approach and the parameter uncertainty-based approach are adopted to deal with time-varying sampling periods. Based on the established model, the observer-based fault detection filter design criteria are proposed to asymptotically stabilize the residual system in the sense of mean-square. The designed observer-based fault detection filter can guarantee the sensitivity of the residual signal to faults. The simulation results illustrate the effectiveness of the obtain results. Copyright (c) 2015 John Wiley & Sons, Ltd.
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