基于stick-slip原理的双脚踏步压电驱动器的开发和评估
Yue Zhang1, Ming Kong1, Saijie Mou2
1College of Metrology Measurement and Instrument, China Jiliang University, Hangzhou 310018, China.
The Review of scientific instruments
|March 3, 2025
概括
一个新的双脚踏步压电驱动器,利用棒滑原理,提供高精度. 这种执行器实现了出色的速度,效率和负载能力,使其成为生物医学工程应用的理想选择.
科学领域:
- 机械工程 机械工程
- 材料科学 材料科学 材料科学
- 生物医学工程 生物医学工程
背景情况:
- 压电驱动器对于精确的运动控制至关重要.
- 开发高效,高分辨率的执行器仍然是一个关键的挑战.
- 现有的设计往往缺乏先进应用所需的速度或负载能力.
研究的目的:
- 提出和开发一种新的双脚踏步压电驱动器.
- 优化设计以提高性能特征.
- 评估执行器适用于生物医学领域的精密执行.
主要方法:
- 一个带有双驱动脚的集成定位器的设计和有限元分析.
- 优化关键的结构参数.
- 一个原型的制造和其性能的实验验证.
主要成果:
- 在150V和350Hz实现的最大输出速度为4550μm/s.
- 测得的步进效率为0.886.6 的值.
- 最大水平负载能力为170g,位移分辨率为180nm.
结论:
- 开发的双脚踏步压电驱动器表现出卓越的性能.
- 它的高精度,速度和负载能力使其适用于苛刻的应用.
- 执行器显示了生物医学工程和精密仪器仪表进步的巨大潜力.
相关概念视频
01:05Static and Kinetic Frictional Force
One of the simpler characteristics of sliding friction is that it is parallel to the contact surfaces between systems, and is always in a direction that opposes the motion or attempted motion of the systems relative to each other. If two systems are in contact and moving relative to one another, then the friction between them is called kinetic friction. For example, kinetic friction slows a hockey puck sliding on ice.
However, if two systems are in contact and are stationary relative to one...
However, if two systems are in contact and are stationary relative to one...
01:19Root-Locus Method
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This system can be represented by a block diagram,...
This system can be represented by a block diagram,...