对于一类具有未知输入的冲动开关系统的减少顺序状态估计
Soheil Sheikh Ahmadi1, Farzad Hashemzadeh2, Mohammad Ali Badamchizadeh1
1Control Engineering Department, Faculty of Electrical and Computer Engineering, University of Tabriz, Tabriz, Iran.
ISA transactions
|September 28, 2024
概括
本研究提出了一种新的方法,用于在有未知输入的冲动开关系统中估计状态和开关信号. 该方法有效地处理未知的输入,减少估计错误,优于现有方法.
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.
- 估计理论估计理论
背景情况:
- 冲动开关系统在各种工程应用中普遍存在.
- 在这些系统中估计状态和切换信号是具有挑战性的,因为未知的输入和固有的冲动性.
- 现有的方法经常与未知的输入和系统冲动性的联合影响作斗争.
研究的目的:
- 开发一种可靠的方法,用于在具有未知输入的冲动开关系统中估计状态和开关信号.
- 为了有效地减轻由未知的输入引入的冲动效应.
- 为了确保估计错误的指数衰减.
主要方法:
- 一种两步的方法,涉及用于切换信号和子系统识别的专用估计器.
- 使用不可访问状态的减少顺序估计器.
- 采用基于输出衍生方法来处理未知的输入.
- 利用常见的利亚普诺夫函数和线性矩阵不等式 (LMI) 技术.
主要成果:
- 拟议的方法在存在未知的输入时成功估计了状态和切换信号.
- 由未知输入引起的冲动效应通过结合估计的开关信号来有效地消除.
- 估计错误的指数下降是在特定条件下实现的.
- 与单个估计器方法相比,模拟结果显示出更高的效率和有效性.
结论:
- 开发的方法为复杂的冲动开关系统中状态和开关信号估计提供了强大的解决方案.
- 该技术有效地解决了未知输入和系统冲动性所带来的挑战.
- 这些发现为控制系统和估计理论领域做出了宝贵的贡献.
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