设计和测试一个符合ZTTΘ的位置调整系统与混合放大
Zhishen Liao1, Zhihang Lin1, Hui Tang2
1State Key Laboratory of Precision Electronic Manufacturing Technology and Equipment, Guangdong University of Technology, Guangzhou 510006, China.
Micromachines
|May 25, 2024
概括
本研究介绍了一种新的四度自由度空间姿势调整系统 (SPAS),用于高精度定位. 开发的系统表现出卓越的精度,使其适合精密加工和微纳米操纵任务.
科学领域:
- 机械工程 机械工程
- 精密工程 精密工程是指精密的工程.
- 机器人技术 机器人技术 机器人技术
背景情况:
- 实现高精度的空间姿势调整对于先进的制造和操纵至关重要.
- 现有系统经常面临合,刚性和冲击范围的挑战.
研究的目的:
- 设计,分析和原型一个四度自由度 (4-DoFs) 的空间姿势调整系统 (SPAS).
- 在Z/Tip/Tilt/Θ (ZTTΘ) 方向实现高精度定位,并具有低合和高刚度.
主要方法:
- 集成压电驱动放大器与桥杆混合动力,双四条导向器和多层杆对称旋转机制.
- 分析建模和有限元分析用于几何参数优化.
- 原型制造和性能测试,包括MIMO系统的闭环脱控制实验.
主要成果:
- 该系统实现了327.37微米的Z方向微冲动和分别为3.462mrad和12.684mrad的曲折/旋转角度.
- 运动放大比率达到7.43X和Y轴.
- 经过证明的高定位精度:±100 nm (Z方向),±2 μrad (X/Y曲率) 和±25 μrad (Z旋转).
结论:
- ZTTΘ机制的设计是可行的,并为精密应用提供了显著的优势.
- 开发的SPAS显示了精密加工和微纳米操纵任务的巨大潜力.
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