Fault Tolerant Control of Networked Control Systems: time-delay switched system approach
by Dongmei Xie
International Journal of Systems, Control and Communications (IJSCC), Vol. 1, No. 3, 2009

Abstract: This paper studies the Fault Tolerant Control (FTC) of Networked Control Systems (NCSs) with network-induced delay, packet dropout and actuator faults using time-delay switched system approach. First, modelling such NCS as a discrete-time switched system with control input time-delay, the FTC of such NCS can be reduced to that of switched systems with control input-delay. Then, we can apply the rich theory of time-delay switched system to study NCS. Sufficient conditions for the stabilisation of such NCS are presented. Stabilising switched output feedback controllers can be designed by solving a set of Linear Matrix Inequalities (LMIs), which can be easily tested with efficient LMI algorithms. Finally, an example is given to illustrate our results.

Online publication date: Thu, 09-Apr-2009

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