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Resilient guaranteed cost control to tolerate actuator faults for discrete-time uncertain linear systems

Resilient guaranteed cost control to tolerate actuator faults for discrete-time uncertain linear systems

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The paper studies a discrete-time resilient guaranteed cost control (GCC) design that tolerates some forms of controller gain uncertainties that are closely related to the actuator fault. The systems under consideration are discrete-time uncertain linear systems with norm-bounded structured uncertainties in both the state and input matrices. The resilient GCC designs guarantee that the cost of the closed-loop systems be within a certain bound for all these admissible uncertainties. A numerical example is given to illustrate the design method.

Inspec keywords: matrix algebra; uncertain systems; actuators; linear systems; discrete time systems; closed loop systems; fault tolerance

Other keywords: controller gain uncertainties; discrete-time uncertain linear systems; norm-bounded structured uncertainties; resilient guaranteed cost control; actuator faults

Subjects: Discrete control systems; Algebra; Actuating and final control devices

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