基于传感器融合的同时定位和抑制振动方法,用于三度自由度隔离器
Jing Wang1, Lei Wang1, Peng Jin1
1School of Instrumentation Science and Engineering, Harbin Institute of Technology, Harbin 150001, China.
Micromachines
|March 28, 2024
概括
本研究介绍了振动隔离系统的传感器融合反策略. 这种方法有效地实现了同时抑制振动和精确的平台定位,优于传统方法.
科学领域:
- 控制工程 控制工程 控制工程
- 机械工程 机械工程
- 信号处理 信号处理
背景情况:
- 振动隔离系统需要抑制振动和精确的平台定位.
- 传统的绝对速度反方法难以同时实现两者.
研究的目的:
- 提出一种新的H∞控制策略,使用传感器融合进行增强的振动隔离.
- 为了使同时抑制振动和平台定位.
主要方法:
- 传感器融合了惯性和位移传感器信号,使用了互补的过器.
- 开发一个具有性能和不确定性权重功能的最佳H∞控制器.
- 在3DOF隔离器上使用常规绝对速度反进行比较分析.
主要成果:
- 拟议的传感器融合策略成功实现了同时定位和抑制振动.
- 与单个传感器相比,融合信号的噪音水平较低.
- H∞控制器有效地最大限度地减缓和管理系统带宽.
结论:
- 传感器融合提供了一种有效的方法,可以同时抑制振动,并在隔离系统中定位.
- 基于传感器融合的H∞控制策略比传统方法提供了更高的性能.
- 这一策略增强了振动隔离系统的功能.
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