An Active Fault Tolerant Controller Design Method for Time-delay Systems

2006 ◽  
Author(s):  
Wu Junsheng ◽  
Weng Zhengxin ◽  
Tian Zuohua ◽  
Shi Songjiao
Keyword(s):  
Time Delay ◽  
Active Fault ◽  
Controller Design ◽  
Fault Tolerant ◽  
Design Method ◽  
Delay Systems ◽  
Time Delay Systems

scholarly journals Anti-Saturation Control of Uncertain Time-Delay Systems with Actuator Saturation Constraints

Symmetry ◽  
2019 ◽  
Vol 11 (3) ◽  
pp. 375
Author(s):  
Hejun Yao
Keyword(s):  
Time Delay ◽  
Controller Design ◽  
Actuator Saturation ◽  
Design Method ◽  
Lyapunov Stability Theory ◽  
Delay Systems ◽  
Linear Matrix ◽  
Time Delay Systems ◽  
Saturation Control ◽  
Systems Model

The problem of anti-saturation control for a class of time-delay systems with actuator saturation is considered in this paper. By introducing appropriate variable substitution, a new delay time-delay systems model with actuator saturation systems is established. Based on the Lyapunov stability theory, the stability condition and the anti-saturation controller design method are obtained by using the linear matrix inequality approach. By introducing the matrix into the Lyapunov function, the proposed conditions are less conservative than the previous results. Finally, a simulation example shows the validity and rationality of the method.

scholarly journals Fault tolerant control of switched nonlinear systems with time delay under asynchronous switching

2010 ◽  
Vol 20 (3) ◽  
pp. 497-506 ◽  
Author(s):  
Zhengrong Xiang ◽  
Ronghao Wang ◽  
Qingwei Chen
Keyword(s):  
Time Delay ◽  
Nonlinear Systems ◽  
Switched Systems ◽  
Controller Design ◽  
Fault Tolerant ◽  
Fault Tolerant Control ◽  
Delay Systems ◽  
Time Delay Systems ◽  
Switched Nonlinear Systems ◽  
Asynchronous Switching

Fault tolerant control of switched nonlinear systems with time delay under asynchronous switchingThis paper investigates the problem of fault tolerant control of a class of uncertain switched nonlinear systems with time delay under asynchronous switching. The systems under consideration suffer from delayed switchings of the controller. First, a fault tolerant controller is proposed to guarantee exponentially stability of the switched systems with time delay. The dwell time approach is utilized for stability analysis and controller design. Then the proposed approach is extended to take into account switched time delay systems with Lipschitz nonlinearities and structured uncertainties. Finally, a numerical example is given to illustrate the effectiveness of the proposed method.

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