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适应性超扭曲非单元快速终端滑动模式,对2-DOF直升机的容错控制,具有输入量化
Hui Bi1, Tao Zou1, Jincai Zhu2
1Guangzhou University, The School of Mechanical and Electrical Engineering, 510006, China.
ISA transactions
|March 29, 2025
概括
本研究介绍了2DOF直升机系统的自适应性故障耐受性控制策略,通过使用非单元快速终端滑动模式控制来提高对不确定性和干扰的稳定性.
科学领域:
- 控制系统工程 控制系统工程
- 机器人技术 机器人技术 机器人技术
- 非线性控制理论 不线性控制理论
背景情况:
- 2-DOF直升机系统容易受到系统不确定性和外部干扰的影响.
- 现有的控制策略往往在聊天中扎,需要详细的干扰信息.
研究的目的:
- 为2DOF直升机系统开发一种新的自适应故障耐受性控制 (FTC) 战略.
- 在存在不确定性和干扰的情况下,增强强性和性能.
- 为了减轻喋喋不休,减少控制系统中的能量损失.
主要方法:
- 使用歇斯底里定量器来减少信号定量聊天和能量损失.
- 提出了一个有限时间收的非单元快速终端滑动模式 (NFTSM) 分组器,以实现快速收.
- 使用神经网络 (NN) 来近似非线性系统的不确定性.
- 引入了自适应式超扭曲算法,以补偿量子化错误和外部干扰,消除对干扰边界信息的依赖.
主要成果:
- 拟议的NFTSM分流器确保跟踪轨迹快速到达滑动模式表面,增强控制器的稳定性.
- 适应性超扭曲算法有效地弥补不确定性和干扰,确保故障耐受性控制性能.
- 模拟和实验结果表明,拟议的控制策略优于现有方法.
结论:
- 新型自适应超扭曲NFTSM FTC战略为2DOF直升机系统提供了卓越的性能.
- 整合歇斯底里量化,有限时间融合,NN和自适应控制有效地解决了系统的不确定性和干扰.
- 拟议的方法为复杂的动态系统中耐故障控制提供了强大而高效的解决方案.
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