Actuator fault detection filter design for discrete-time systems with a descriptor system method

2014 ◽  
Vol 142 ◽  
pp. 318-325 ◽  
Author(s):  
Xiaodan Zhu ◽  
Yuanqing Xia ◽  
Sasa Ma ◽  
Mengyin Fu
Keyword(s):  
Fault Detection ◽  
Discrete Time ◽  
Filter Design ◽  
Descriptor System ◽  
Actuator Fault ◽  
Fault Detection Filter ◽  
Discrete Time Systems ◽  
System Method ◽  
Time Systems ◽  
Detection Filter

scholarly journals Optimal Robust Fault Detection for Linear Discrete Time Systems

2008 ◽  
Vol 2008 ◽  
pp. 1-16 ◽  
Author(s):  
Nike Liu ◽  
Kemin Zhou
Keyword(s):  
Fault Detection ◽  
Discrete Time ◽  
Filter Design ◽  
Algebraic Riccati Equation ◽  
Optimization Criteria ◽  
Robust Detection ◽  
Discrete Time Systems ◽  
Robust Fault Detection ◽  
Time Systems ◽  
Detection Filter

This paper considers robust fault-detection problems for linear discrete time systems. It is shown that the optimal robust detection filters for several well-recognized robust fault-detection problems, such asℋ−/ℋ∞,ℋ2/ℋ∞, andℋ∞/ℋ∞problems, are the same and can be obtained by solving a standard algebraic Riccati equation. Optimal filters are also derived for many other optimization criteria and it is shown that some well-studied and seeming-sensible optimization criteria for fault-detection filter design could lead to (optimal) but useless fault-detection filters.

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