Fuzzy Sliding Mode Attitude Control of Satellite
Xiaoxia Liu, Ping Guan, J.Z. Liu
Abstract
Xiaoxia Liu, Ping Guan, J.Z. Liu
Abstract
The adaptive fuzzy sliding mode control is applied to the attitude stabilization of flexible satellite. The detailed design procedure of the fuzzy sliding mode control system is presented. The adaptive fuzzy control is utilized to approach the equivalent control of sliding mode control and the adaptive law is derived. The hitting control, which guarantees the stability of the control system, is developed. In order to attenuate the chattering phenomena, fuzzy rules are employed to smooth the hitting control. Simulation results show precise attitude control is accomplished based on the proposed method.
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The adaptive fuzzy sliding mode control is applied to the attitude stabilization of flexible satellite. The detailed design procedure of the fuzzy sliding mode control system is presented. The adaptive fuzzy control is utilized to approach the equivalent control of sliding mode control and the adaptive law is derived. The hitting control, which guarantees the stability of the control system, is developed. In order to attenuate the chattering phenomena, fuzzy rules are employed to smooth the hitting control. Simulation results show precise attitude control is accomplished based on the proposed method.
Key concepts: Control theory (sociology), Sliding mode control, Fuzzy logic, Fuzzy control system, Attitude control, Satellite, Adaptive control, Mode (computer interface)