塔卡吉-苏杰诺模糊非线性控制系统用于光学干涉测量.
Murilo Franco Coradini1, Luiz Henrique Vitti Felão1, Stephany de Souza Lyra1
1Electrical Engineering Department, School of Engineering, São Paulo State University (UNESP), Ilha Solteira 15385-007, SP, Brazil.
Sensors (Basel, Switzerland)
|April 28, 2025
概括
这项研究引入了Takagi-Sugeno (T-S) 模糊控制用于光学干涉计信号调节. 这种新的方法提高了干扰仪的性能,没有传统闭环系统的缺点.
科学领域:
- 光电学是指光电子产品.
- 控制系统工程 控制系统工程
- 非线性控制理论 不线性控制理论
背景情况:
- 塔卡吉-苏杰诺 (T-S) 模糊控制是一种多功能非线性控制方法,应用于各种科学领域.
- 光学干涉测量对于精确的测量至关重要,但信号解调可能具有挑战性.
- 现有的模糊控制应用程序还没有解决干涉计信号解调.
研究的目的:
- 首次应用TS模糊控制来调节干涉计信号.
- 开发一个简单的,廉价的TS模糊式数字观测器,用于开环干扰仪.
- 为了证明开环干扰仪与TS模糊观察器的融合,以实现闭环性能.
主要方法:
- 基于线性矩阵不等式 (LMIs) 设计一个TS模糊数字观察器,以获得稳定性.
- 将观察者与开放循环的迈克尔森干扰仪集成在一起.
- 利用观察员来保持系统在最佳的90°运行点,并弥补环境漂移.
主要成果:
- T-S模糊观察器成功实现了低调节指数的光相信号的解调.
- 该系统展示了高达π/2 rad的信号振幅和频率超过100 Hz的信号的精确解调.
- 通过模拟和测量验证了性能,显示最大误差为0.45%和与弧法相比较的频率响应.
结论:
- T-S模糊控制为干涉计信号解调提供了一种可行且有效的方法.
- 拟议的TS模糊观察器为传统的闭环干扰仪提供了具有成本效益的替代方案.
- 这种方法提高了光学测量系统的精度和稳定性.
关键词:
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