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Mathematical Problems in Engineering
Volume 2013, Article ID 304092, 11 pages
Research Article

Adaptive Fault-Tolerant Controller Design for Networked Systems with Actuator Saturation

School of Automation, Shenyang Aerospace University, Shenyang, Liaoning 110136, China

Received 10 January 2013; Accepted 5 March 2013

Academic Editor: Engang Tian

Copyright © 2013 Wei Guan. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


In this paper, an indirect adaptive fault-tolerant controller design method is proposed for networked systems in the presence of actuator saturation. Based on the on-line estimation of eventual faults, the parameters of controller are being updated automatically to compensate the fault effects on systems. The designs are given in linear matrix inequalities (LMIs) approach, which can guarantee the disturbance tolerance level and adaptive performances of networked systems in the cases of actuator saturation and actuator failures. An example is given to illustrate the efficiency of the design method.