Abstract
This paper investigates output feedback synthesis of mixed H2 / H∞ fault-tolerant control for a class of uncertain systems and its application to tracking control. Some important auxiliary variables are introduced into the procedure of controller designs to reduce the conservativeness. The design method is developed in the framework of Linear Matrix Inequality (LMI), which can guarantee the robust stability and mixed H2 / H∞ performance of closed-loop systems in both normal and fault cases. Advantages of the proposed approach are demonstrated by simulations applied to a nonlinear aircraft model.
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