设计和测试基于结构刚性的气动驱动微型抓手
Xiaodong Chen1,2, Zhimin Xie1, Kang Tai2
1National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, Harbin Institute of Technology, Harbin 150001, China.
The Review of scientific instruments
|July 17, 2023
概括
这项研究介绍了一种新型的两级气动微型抓手,可以增强运动放大. 优化的设计实现了 41.8 的显著位移放大比率,无论是打开和关闭的行动.
科学领域:
- 机械工程 机械工程
- 微流体学 微流体学
- 机器人技术 机器人技术 机器人技术
背景情况:
- 合规的运动放大机制在提高放大比率方面存在局限性.
- 气动驱动系统在微观操作方面具有优势.
研究的目的:
- 引入一个两级放大微型抓手,利用结构刚性来增强气动执行.
- 优化设计以提高放大性能和减少理论-实验误差.
主要方法:
- 设计了一种具有不同刚度 (高刚度第一阶段,低刚度第二阶段) 和曲链的两级机制.
- 工作模式分析确定了机制阶段的最佳安排.
- 使用结构尺寸优化来确定最佳放大功率的特定尺寸.
主要成果:
- 微型抓手表现出良好的对称性,紧的结构和大输出位移.
- 实验结果证实开启和关闭操作的位移放大比为41.8.
- 该设计有效地减少了理论和实验放大比率之间的相对误差.
结论:
- 开发的两级放大微型抓手成功克服了符合运动放大功能的局限性.
- 优化的设计为微型抓取应用提供了高放大比率和精度.
- 这种方法为高级微操作任务提供了一个有希望的解决方案.
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