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Dual auxiliary systems-based turn-on/off trigger fault-tolerant control for input-constrained satellite

Author

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  • Li, Baomin
  • Chen, Mou
  • Wan, Min

Abstract

In this paper, a dual auxiliary systems-based fault-tolerant attitude turn-on/off trigger control problem is studied for the satellite. To address the flexible performance tracking control problem under any initial condition, a new prescribed performance function is designed. Furthermore, to improve the accuracy of satellite attitude tracking errors under the saturation and fault, a novel monitor auxiliary system is proposed, which is excited by tracking error. Subsequently, a new turn-on/off trigger strategy is designed, which has the ability to automatically adjust the communication frequency from the controller to the actuator according to the system performance. In other words, the communication frequency increases from the controller to the actuator when the tracking error is close to the prescribed performance function, and the communication from the controller to the actuator will become real-time when the tracking error violates the prescribed performance function. Then, it is theoretically proven that the closed-loop satellite attitude control system is stable. Finally, the simulation example is given to prove the effectiveness of the designed control scheme.

Suggested Citation

  • Li, Baomin & Chen, Mou & Wan, Min, 2025. "Dual auxiliary systems-based turn-on/off trigger fault-tolerant control for input-constrained satellite," Applied Mathematics and Computation, Elsevier, vol. 506(C).
    • Handle: RePEc:eee:apmaco:v:506:y:2025:i:c:s0096300325002747
    DOI: 10.1016/j.amc.2025.129548
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