J4 ›› 2010, Vol. 45 ›› Issue (5): 52-57.

• Articles • Previous Articles     Next Articles

Faulttolerant control for uncertain discrete-time switched systems with nonlinear term

NIU Yan-yan, XING Wei   

  1. Institute of Systems Science, College of Sciences, Northeastern University, Shenyang 110004, Liaoning, China
  • Received:2009-11-30 Online:2010-05-16 Published:2010-05-24

Abstract:

The fault-tolerant control for a class of uncertain nonlinear discrete-time switched systems was studied. When the actuator was totally or partly out of control, a sufficient condition for the existence of state feedback fault-tolerant controllers was obtained by using the Lyapunov function and linear matrix inequality (LMI).First the asymptotical stability was studied for the closed-loop system.Then by means of the LMI, the design of fault-tolerant controllers was transformed into the feasible problem of a certain LMI system. A numerical example was given to show the feasibility of the results.
 

Key words: switched system; nonlinear term; fault-tolerant control; actuator out of control; linear matrix inequality

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