基于TS模糊干扰建模的灵活卫星的自适应滑动模式容错的态度控制
Bin Hang1, Beibei Su2, Weiwei Deng3
1School of Automation, Northwestern Polytechnical University, Xi'an 710072, China.
Mathematical biosciences and engineering : MBE
|July 28, 2023
概括
本研究引入了适应式滑动模式容错控制 (ASMFTC) 灵活的卫星,增强态度控制系统 (ACS) 抵御执行器故障和使用模糊逻辑干扰的弹性.
科学领域:
- 航空航天工程 航空航天工程
- 控制系统 控制系统
- 机器人技术 机器人技术 机器人技术
背景情况:
- 灵活的卫星面临着由于执行器故障和环境干扰而导致的态度控制的复杂挑战.
- 传统的基于观察者的干扰控制 (DOBC) 方法难以估计灵活附属物固有的非线性弹性模式.
研究的目的:
- 为灵活的卫星态度控制系统制定一个强大的容错控制策略.
- 解决执行器故障,环境扭矩和非线性弹性模态,以提高卫星稳定性.
主要方法:
- 建议采用自适应滑动模式容错控制 (ASMFTC) 方法.
- 使用塔卡吉-苏杰诺 (T-S) 模糊干扰观察器 (TSFDO) 来估计未知的非线性弹性模态.
- 适应式滑动模式控制器的设计旨在消除能量有限的干扰.
主要成果:
- 该TS模糊方法有效估计非线性弹性模态,超过传统的DOBC.
- ASMFTC设计确保滑动表面接近零,表明系统的稳定性.
- 对比模拟验证了拟议的控制方法的有效性.
结论:
- 基于TSFDO的拟议ASMFTC提供了一个强大的解决方案,用于在各种故障和干扰条件下灵活的卫星态度控制.
- 这种方法提高了卫星的机动性和稳定性,这对于任务的成功至关重要.
- 模糊逻辑和自适应滑动模式控制的整合为未来的卫星控制系统提供了一个有希望的方向.
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