Robust fault detection for networked control systems with packet dropouts: An average dwell time method

2014 ◽  
Vol 36 (2) ◽  
pp. 179-197 ◽  
Author(s):  
Yue Long ◽  
Guang-Hong Yang
Keyword(s):  
Fault Detection ◽  
Control Systems ◽  
Dwell Time ◽  
Networked Control Systems ◽  
Average Dwell Time ◽  
Networked Control ◽  
Packet Dropouts ◽  
Robust Fault Detection ◽  
Average Dwell Time Method

scholarly journals Active-Varying Sampling-Based Fault Detection Filter Design for Networked Control Systems

2014 ◽  
Vol 2014 ◽  
pp. 1-9 ◽  
Author(s):  
Yu-Long Wang ◽  
Tian-Bao Wang ◽  
Wei-Wei Che
Keyword(s):  
Fault Detection ◽  
Control Systems ◽  
Networked Control Systems ◽  
Filter Design ◽  
Sampling Period ◽  
Networked Control ◽  
Packet Dropouts ◽  
Fault Detection Filter ◽  
Simulation Results ◽  
Detection Filter

This paper is concerned with fault detection filter design for continuous-time networked control systems considering packet dropouts and network-induced delays. The active-varying sampling period method is introduced to establish a new discretized model for the considered networked control systems. The mutually exclusive distribution characteristic of packet dropouts and network-induced delays is made full use of to derive less conservative fault detection filter design criteria. Compared with the fault detection filter design adopting a constant sampling period, the proposed active-varying sampling-based fault detection filter design can improve the sensitivity of the residual signal to faults and shorten the needed time for fault detection. The simulation results illustrate the merits and effectiveness of the proposed fault detection filter design.

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