A fault-tolerant attitude control system for a satellite based on fuzzy global sliding mode control algorithm

Jinjin Liang; Chaoyang Dong; Qing Wang

doi:10.1117/12.806863

13 October 2008 A fault-tolerant attitude control system for a satellite based on fuzzy global sliding mode control algorithm

Jinjin Liang, Chaoyang Dong, Qing Wang

Author Affiliations +

Proceedings Volume 7128, Seventh International Symposium on Instrumentation and Control Technology: Measurement Theory and Systems and Aeronautical Equipment; 712827 (2008) https://doi.org/10.1117/12.806863
Event: Seventh International Symposium on Instrumentation and Control Technology, 2008, Beijing, China

Abstract

The structures and missions of modern satellites are very complicated, so the reliability of satellites is becoming increasingly important. This paper proposed a fault-tolerant attitude control system for a satellite based on Fuzzy Global Sliding Mode Control (FGSMC) algorithm. We designed a controller for the nonlinear model of a satellite. By designing a global sliding surface, this controller can ensure that the response of the system has global robustness against the uncertainties of system and external disturbances. In this paper attitude control is performed by four reaction flywheels. The attitude control system distributed the three control torques to the four reaction flywheels according to the distribution matrix. We deduced the formula to calculate the distribution matrix. Paper proved the stability of the designed control law, and simulated the attitude control system. The simulation results show that the attitude control law has high accuracy and robustness.

Citation Download Citation

Jinjin Liang, Chaoyang Dong, and Qing Wang "A fault-tolerant attitude control system for a satellite based on fuzzy global sliding mode control algorithm", Proc. SPIE 7128, Seventh International Symposium on Instrumentation and Control Technology: Measurement Theory and Systems and Aeronautical Equipment, 712827 (13 October 2008); https://doi.org/10.1117/12.806863

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