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In this paper, an active fault tolerant control (FTC) design approach is proposed for the satellite attitude systems with exogenous disturbance and multiple actuator faults. Firstly, the nonlinear attitude system model of rigid satellite with multiple actuator faults is given. Next, an actuator fault diagnosis scheme, including a fault detection module and a fault estimation module, is given so as...
In this paper, an active fault tolerant controller design approach is proposed for the satellite attitude systems with unknown exogenous disturbances and actuator multiple faults. First, the nonlinear satellite attitude dynamics equations with actuator faults are given. Next, a fault estimation observer is given so as to acquire the estimation value of unknown actuator faults. Then, a fault tolerant...
This paper presents a passive fault tolerant control for the satellite attitude systems with unknown external disturbance and actuator fault. Firstly, the nonlinear satellite attitude dynamics with actuator fault are given. Then, under the framework of backstepping control, a PI control with adaptive tuning gain is designed, which aims to provide added robustness in the presence of large and fast...
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