设计,分析和实验研究一款新型单相驱动棒型旋转压电驱动器的设计,分析和实验研究
Ruifeng Wang1, Bin Jiang1, Liang Wang2
1China International Science and Technology Cooperation Base on Intelligent Equipment Manufacturing in Special Service Environment, Anhui University of Technology, No. 1530 Maxiang Street, Ma'anshan 243032, China; School of Mechanical Engineering, Anhui University of Technology, No. 1530 Maxiang Street, Ma'anshan 243032, China.
Ultrasonics
|August 3, 2025
概括
这项研究介绍了一种新的单相驱动棒型旋转压电驱动器,采用双旋转器设计. 它实现了连续的双向旋转,为狭小空间的精密驱动提供了新的解决方案.
科学领域:
- 机械工程 机械工程
- 材料科学 材料科学 材料科学
- 机器人技术 机器人技术 机器人技术
背景情况:
- 由于设计简单和尺寸紧,单相压电驱动器被青用于精密驱动器.
- 现有的线性压电驱动器因磨损和复杂性而受损,而旋转式对应器则面临稳定性和双向控制方面的挑战.
研究的目的:
- 提出和验证一款具有双旋转器对称结构的新型单相驱动棒型旋转压电驱动器.
- 解决现有的压电执行器的局限性,特别是用于旋转运动和双向控制.
主要方法:
- 有限元分析 (FEA) 用于确定定位器几何和操作模式.
- 振动特征实验通过分析定位器振幅-频率和振动模式来验证FEA结果.
- 原型组装和实验测试,以评估执行器性能.
主要成果:
- 拟议的执行器采用一个带有两个压电陶 (PZT) 组的棒型压电复合束定向器.
- 单相激发会诱导连接的纵向扭转振动,使转子持续旋转.
- 实验结果显示,最大无负荷转速为200rpm,扭矩为1.7mN·m,旋转分辨率为0.6mrad,时速为300Vp-p.
结论:
- 无论是FEA还是实验验证都证实了拟议的执行器的操作原理和结构可行性.
- 这种新的设计可以实现稳定,双向的连续旋转,克服了以前的压电驱动器的局限性.
- 这为空间有限的环境中的精密应用提供了一个可行的新驱动方案.
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