基于表面声波波的杆束滚筒张力传感器的研究
Yang Feng1,2,3, Bingkun Zhang1,3, Yang Chen3,4
1School of Information Science and Engineering (SISE), Hangzhou Normal University, Hangzhou 311121, China.
Micromachines
|September 27, 2025
概括
这项研究引入了一种用于连续张力检测的新型悬臂光束传感器. 一个GA-PSO-BP算法有效地弥补了表面声波 (SAW) 传感器中的温度漂移,提高了准确性.
科学领域:
- 机械工程 机械工程
- 传感器技术 传感器技术
- 信号处理 信号处理
背景情况:
- 表面声波 (SAW) 传感器容易受到温度变化的影响,这会影响张力测量的准确性.
- 现有的张力检测方法可能缺乏灵敏度或需要复杂的校准.
- 在各种工业应用中,如织制造业,持续监测张力至关重要.
研究的目的:
- 设计一个高度灵敏的连续张力检测传感器,使用悬臂梁结构.
- 为 SAW 张力传感器开发一种强大的温度补偿方法.
- 提高张力测量系统的整体准确性和可靠性.
主要方法:
- 一种新的悬臂梁滚筒结构被设计用于放大丝线张力信号.
- 使用COMSOL有限元法 (FEM) 模拟来优化数字间传感器 (IDT) 放置,以提高SAW传感器的灵敏度.
- 实施了一个不平衡的分割IDT设计,以减轻寄生虫反应.
- 一个基因算法-粒子群集优化-反向传播 (GA-PSO-BP) 神经网络被开发用于温度漂移补偿.
主要成果:
- 与原始数据相比,GA-PSO-BP算法显著降低了温度灵敏系数的一个数量级.
- 优化的数据显示,与BP和PSO-BP算法相比,分别减少了6.0409×10-3 °C-1和3.0312×10-3 °C-1.
- 在补偿后,平均输出错误减少了5.748%,超过了BP和PSO-BP算法.
结论:
- 拟议的悬臂梁结构增强了对 SAW 传感器的应力传输灵敏度.
- 该GA-PSO-BP算法为SAW张力传感器提供有效的温度补偿.
- 这项研究为先进的张力传感应用提供了创新的设计策略.
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