对多次故障的随机非线性系统进行事件触发的自适应补偿控制:改进了切换值策略
Yang Du1, Shan-Liang Zhu2, Yu-Qun Han2
1School of Mathematics and Physics, Qingdao University of Science and Technology, Qingdao 266061, China.
ISA transactions
|January 23, 2025
概括
本研究介绍了对随机非线性系统的改进事件触发自适应式故障耐受性控制 (FTC). 新的机制提高了系统安全性,并减少了故障期间的资源使用.
科学领域:
- 控制系统工程 控制系统工程
- 非线性动力学是一种非线性动力学.
- 随机系统 随机系统 随机系统
背景情况:
- 随机非线性系统面临着执行器和外部故障的挑战.
- 现有的事件触发机制 (ETM) 可能会由于大信号冲动而构成安全风险.
- 适应性故障耐受性控制 (FTC) 对系统可靠性至关重要.
研究的目的:
- 为随机非线性系统开发事件触发的自适应性故障耐受性控制 (FTC).
- 提出改进的切换值机制 (STM),以解决安全风险和能源消耗问题.
- 确保系统安全并提高故障期间的控制性能.
主要方法:
- 建议改进一个切换值机制 (STM).
- 使用多维泰勒网络 (MTN) 近似技术.
- 根据改进的STM,设计了自适应性耐故障控制方案.
主要成果:
- 拟议的STM减轻了来自大信号冲动的安全风险.
- 适应性FTC方案显示了较低的资源消耗.
- 闭环系统信号的概率是有限的,跟踪错误是趋同的.
- 动态模型模拟验证了该方案的可行性和优势.
结论:
- 开发的事件触发的自适应FTC方案提高了系统的安全性和性能.
- 改进的STM在故障时有效地管理控制器动态.
- 该方法为控制失效的随机非线性系统提供了强大的解决方案.
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