设计和分析一个高速平面运动虫压电驱动器,具有中心对称的配置
Aihua Meng1, Yu Chen1, Sunyangyang Jin1
1School of Mechanical Engineering, Hangzhou Dianzi University, Hangzhou, Zhejiang 310018, China.
The Review of scientific instruments
|April 18, 2025
概括
这项研究介绍了一种新的形电动执行器,能够使用紧,中心对称的设计实现平面运动. 它可以实现高速和精确的定位,而无需向后移动,简化复杂的结构.
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:
- 虫压电驱动器提供很大的动力,但通常仅限于线性运动.
- 现有的用于多度自由运动的多堆执行器通常具有复杂的结构和有限的速度,而无需向后运动.
研究的目的:
- 为平面运动设计一个紧的英寸虫压电驱动器,具有简化的结构.
- 为了提高紧力和步骤位移,以提高性能.
- 为了实现高输出速度,而无需向后运动.
主要方法:
- 设计一个紧的,中心对称的结构,使用三个压电堆.
- 结合了基于曲链的放大机制.
- 开发了一种单双模式工作原理,以有效利用变形.
- 通过理论分析优化驱动单元参数.
- 有限元法 (FEM) 和用于静态和动态分析的实验验证.
主要成果:
- 证明了平面运动能力,具有紧,中心对称的设计.
- 实现了放大紧力和步骤位移.
- 每个循环实现了两步,提高了输出速度.
- 对点对点定位和循环路径跟踪的实验验证.
- 最大速度为2085微米/秒 (X轴) 和2407.5微米/秒 (Y轴),没有向后移动.
结论:
- 拟议的英寸压电驱动器通过简化,紧的结构实现平面运动.
- 与现有设计相比,它在没有向后运动的情况下显著提高了输出速度.
- 这种执行器为需要高速精确平面操纵的应用提供了可行的解决方案.
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