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首页> 外文期刊>IEEE / ASME Transactions on Mechatronics >Electrostatic Linear Actuator With a Long Stroke Rolling Spring Guide
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Electrostatic Linear Actuator With a Long Stroke Rolling Spring Guide

机译：带有长行程滚动弹簧导轨的静电线性执行器

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摘要

In contrast with diverse design concepts of actuators, we have developed an electrostatic linear actuator integrated with a long stroke rolling spring guide. The rolling spring guide realizes guiding function through rolling movements of two parallel preloaded belt-shaped springs. The electrostatic actuating force is generated by applying electrical fields to the structure of spring guide. Besides the driving voltage, the geometric size and the preloaded span of the spring guide are the main influential parameters of electrostatic actuating force and actuating displacement. With adequate adjustment of the preloaded span, this electrostatic actuator can generate not only a large actuating displacement in μm range, but also a fine positioning displacement in μm range. The finite element analysis (FEA) and the geometric analysis are applied to analyze spring stress and to derive the shape equation of the spring guide. Furthermore, a theoretical model for our electrostatic actuating principle is deduced on the basis of the shape equation. In addition to the theoretical analyses, the performance of the electrostatic actuator is experimentally tested and studied.
机译：与执行器的多种设计概念相比，我们开发了一种集成了长行程滚动弹簧导轨的静电线性执行器。滚动弹簧导向器通过两个平行的预紧带状弹簧的滚动运动来实现导向功能。静电驱动力是通过将电场施加到弹簧导向器的结构上而产生的。除驱动电压外，弹簧导向装置的几何尺寸和预紧跨度是静电驱动力和驱动位移的主要影响参数。通过适当调节预加载的跨度，该静电执行器不仅可以在μm范围内产生较大的调节位移，而且可以在μm范围内产生精细的定位位移。应用有限元分析（FEA）和几何分析来分析弹簧应力并导出弹簧导轨的形状方程。此外，在形状方程的基础上推导了我们静电致动原理的理论模型。除理论分析外，还对静电执行器的性能进行了实验测试和研究。

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