一个生物灵感的压电棒滑动驱动器,通过子的移动姿势来设计
Shitong Yang1,2, Haochuan Chen2, Zhenguo Zhang3
1School of Mechanical and Aerospace Engineering, Jilin University, Changchun 130022, China.
The Review of scientific instruments
|September 8, 2025
概括
研究人员开发了一种新的仿生猿类压电棒滑动执行器 (BMPSSA). 这种创新的执行器展示了高精度的运动控制,实现最小位移分辨率为60.04nm.
科学领域:
- 机器人和机械电子学
- 生物模拟学是一种生物模拟学.
- 材料科学 材料科学 材料科学
背景情况:
- 压电棒滑动执行器对于精确的运动控制至关重要.
- 现有的设计往往缺乏复杂运动的仿生灵感.
- 模拟自然运动可以提高执行器的性能和多功能性.
研究的目的:
- 提出一种新的仿生猿类压电棒滑动执行器 (BMPSSA).
- 设计一个模仿子四肢和尾巴运动的执行器.
- 分析和实验验证拟议的BMPSSA的性能.
主要方法:
- 利用伪刚体方法建立符合机制的变形模型.
- 采用基于矩阵的合规建模来计算灵活的链位移.
- 使用有限元法进行模态分析.
- 构建了一个用于性能测试的实验系统.
主要成果:
- 在BMPSSA取得的最大输出速度21.88mm/s在274赫兹.
- 记录的最大步骤位移为79微米.
- 实现了最小位移分辨率为60.04nm,证明了高精度.
结论:
- 仿生类型的压电棒滑动执行器 (BMPSSA) 是高精度应用的可行设计.
- 该研究验证了仿生设计原则在执行器开发中的有效性.
- 在速度,步骤位移和分辨率方面,BMPSSA提供了卓越的性能.
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