On the Design of Unknown Input Observers and Fault Detection Filters

2006 ◽  
Author(s):  
Kemin Zhou ◽  
Zhang Ren ◽  
Wei Wang
Keyword(s):  
Fault Detection ◽  
Unknown Input ◽  
Unknown Input Observers ◽  
Fault Detection Filters

scholarly journals Extremum Seeking Based Fault-Tolerant Cooperative Control for Multiagent Systems

2015 ◽  
Vol 2015 ◽  
pp. 1-8
Author(s):  
Fu Jiang ◽  
Xiaoyong Zhang ◽  
Wentao Yu ◽  
Heng Li ◽  
Jun Peng ◽  
...  
Keyword(s):  
Numerical Simulation ◽  
Fault Detection ◽  
Multiagent Systems ◽  
Control Strategy ◽  
Cooperative Control ◽  
Fault Tolerant ◽  
Extremum Seeking ◽  
Unknown Input ◽  
Fault Parameter ◽  
Unknown Input Observers

We propose a novel fault-tolerant cooperative control strategy for multiagent systems. A set of unknown input observers for each agent are constructed for fault detection. Then a real-time adaptive extremum seeking algorithm is utilized for adaptive approximation of fault parameter. We prove that the consensus can be still reached by regulating the interconnection weights and changing the connection topology of the fault agent. A numerical simulation example is given to illustrate the feasibility and effectiveness of the proposed method.

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