对于杂的高级完全执行系统进行故障耐受性控制重新设计
IEEE transactions on cybernetics
|November 25, 2025
概括
本研究介绍了高阶全动系统 (HOFAS) 的两个耐故障控制 (FTC) 框架. 一个新的FTC重新设计有效地抑制了测量噪声,并增强了故障补偿,以提高系统性能.
科学领域:
- 控制系统工程 控制系统工程
- 耐故障控制控制的控制方式
- 系统动力学系统动力学
背景情况:
- 高级完全执行系统 (HOFAS) 容易受到执行器故障,传感器故障和测量噪声的影响.
- 现有的故障耐受性控制 (FTC) 方法在噪声抑制和故障补偿精度方面可能存在局限性.
研究的目的:
- 为HOFASs开发和评估两个新的FTC框架.
- 为了同时解决执行器故障,传感器故障和测量噪声.
- 提高控制系统的性能和稳定性.
主要方法:
- 对可观测架构进行故障检测和隔离的分析.
- 使用聚变观察器补偿执行器故障.
- 通过冗余可观测性拒绝传感器故障.
- 应用一个死区核聚变观测策略,以抑制噪音.
主要成果:
- 第一个FTC框架最终实现了统一边界 (UUB) 错误系统.
- 经过重新设计的FTC框架与死区聚变观测证明了优越的噪声抑制,特别是在线性HOFAS模型中.
- 实验验证证证实了改进的轨迹跟踪和降噪能力.
结论:
- 拟议的FTC框架为HOFAS中的故障容忍提供了有效的解决方案.
- 新的FTC重新设计显著提高了测量噪声抑制.
- 开发的方法在存在各种系统不确定性的情况下提供了强大的控制性能.
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