分析带有间位螺旋电极的压电驱动器的辐射力
Yateng Wang1, Tianxing Ren1, Yuan Ren1
1School of Mechatronics Engineering, Henan University of Science and Technology, Luoyang 471003, China.
Micromachines
|November 27, 2024
概括
一种新的压电驱动器设计,带有数位间螺旋电极,可显著增强微操作的辐射力. 这种改进的执行器设计提高了微型物体处理应用中的抓取能力.
科学领域:
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
- 机器人技术 机器人技术 机器人技术
背景情况:
- 压电驱动器对于微操作至关重要,它可以通过膨胀和收缩精确地处理微型物体.
- 具有标准电极配置的传统压电陶盘驱动器具有有限的辐射力,阻碍了广泛的操作冲程调节.
- 增强的辐射力对于改善微操纵器臂的定位和抓取能力至关重要.
研究的目的:
- 为了研究一种新的压电驱动器设计,采用连接的螺旋电极与恒定调.
- 分析电极结构对产生更大的辐射力对微操作的影响.
- 为了提高微操纵器操作臂的定位和抓取能力.
主要方法:
- 涉及压电构成方程,几何原理和邦德矩阵转换的理论分析,以导出辐射紧力方程.
- 开发一个有限元模型,模拟数字间螺旋电极结构.
- 实验验证使用PZT-52陶盘上的丝印电极和专门的紧固力实验平台进行实验验证.
主要成果:
- 在特定条件下 (200 V,0.2 Hz正弦波) 间位螺旋电极执行器产生了0.37 N的峰值辐射紧力.
- 这种力是压电磁盘与常规电极结构的1.76倍.
- 实验结果验证了理论预测和有限元模型模拟.
结论:
- 跨数字螺旋电极配置显著提高了压电执行器的辐射力输出.
- 这种改进的执行器设计为微操作任务提供了卓越的定位和抓取能力.
- 这些发现为开发更有效的执行器为先进的微操作系统提供了途径.
相关概念视频
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