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激光水平的高保真建模通过脉冲窗软件锁定PSD传感器传感器

Shudong Zhuang¹, Jiale Sun¹, Rugao He²

¹College of Mechanical and Electrical Engineering, Hohai University, Changzhou 213251, China.

Sensors (Basel, Switzerland)

|February 27, 2026

概括

这项研究引入了一种新的脉冲窗软件锁定 (PWSL) 方法,以准确测量自平衡机制中的自然频率和阻尼比等动态参数. 该方法成功识别了未建模的摩擦,提高了精确仪器设计.

科学领域:

机械工程机械工程
振动分析振动分析
精密仪器仪器仪表精密仪器仪表

背景情况:

精确的动态参数 (自然频率,减噪比) 对于自我平衡机制至关重要.
传统的有限元分析 (FEA) 与微摩擦作斗争,接触方法会引起干扰.
现有的方法缺乏先进应用所需的精度.

研究的目的:

开发一个综合框架,用于精确识别激光级自平衡机制中的动态参数.
克服传统FEA和接触测量技术的局限性.
通过精确的建模,使精确的摆形仪器能够精细设计.

主要方法:

集成脉冲窗口软件锁定 (PWSL) 传感与数据驱动模型更新.
开发一种非接触式位置敏感探测器 (PSD) 系统.
使用定制的PWSL算法与10kHz激光载波用于高保真度信号提取和噪声抑制.

主要成果:

实验自然频率 (2.861 Hz) 与模拟 (2.987 Hz) 相比显示了4.22%的误差.
测量缓冲比率 (0.1435) 超过模拟 (0.1255) 的14.34%,表明没有建模的摩擦.
更新FEA模型以相当的摩擦系数将减缓预测误差降低到0.97%.

结论:

该PWSL方法准确地捕获动态参数,揭示未建模的能量消耗.
数据驱动模型更新通过结合摩擦来有效地改进FEA模型.
这一综合框架为设计高性能精密仪器提供了可靠的基础.

关键词:

PSD 传感器传感器 PSD 传感器动态识别动态识别动态识别高准确度建模的模型.激光水平激光水平激光水平软件锁定检测软件锁定检测

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