Research of Output Characteristic and Design of a Swing SMA Movable Tooth Drive Actuator

Yaqi Jiang; Lizhong Xu

doi:10.16578/j.issn.1004.2539.2019.05.014

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Research of Output Characteristic and Design of a Swing SMA Movable Tooth Drive Actuator

Design· Calculation | 更新时间：2022-10-03

- Research of Output Characteristic and Design of a Swing SMA Movable Tooth Drive Actuator
- Journal of Mechanical Transmission Vol. 43, Issue 5, Pages: 70-75(2019)
- 作者机构：
  
  1.燕山大学机械工程学院，河北秦皇岛 066004
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2019.05.014
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江亚琪,许立忠.一种摆动式SMA活齿传动驱动器的设计与输出特性研究[J].机械传动,2019,43(05):70-75.

Jiang Yaqi,Xu Lizhong.Research of Output Characteristic and Design of a Swing SMA Movable Tooth Drive Actuator[J].Journal of Mechanical Transmission,2019,43(05):70-75.
江亚琪,许立忠.一种摆动式SMA活齿传动驱动器的设计与输出特性研究[J].机械传动,2019,43(05):70-75. DOI： 10.16578/j.issn.1004.2539.2019.05.014.

Jiang Yaqi,Xu Lizhong.Research of Output Characteristic and Design of a Swing SMA Movable Tooth Drive Actuator[J].Journal of Mechanical Transmission,2019,43(05):70-75. DOI： 10.16578/j.issn.1004.2539.2019.05.014.

摘要

设计了一种摆动式SMA（形状记忆合金）活齿传动驱动器，阐述了该种驱动器的工作原理，根据SMA相变机理和活齿传动的耦合力学模型，推导出在多路SMA驱动下的输出转矩。针对具体情况，给出了该种驱动器的一般设计方法，并考察了摆杆放大系数和活齿偏心距等相互耦合参数对驱动器输出特性的影响，给出了关键参数的最优取值范围。研究结果为SMA活齿传动驱动器的优化及输出特性分析提供了思路与方法。

Abstract

A kind of swing movable teeth transmission drive actuator with SMA（Shape memory alloy） is designed， and the working principle of this kind of actuator is described. According to phase change mechanism of SMA wires and coupled mechanical model of movable teeth drive， the output torque of the drive is deduced. For the specific situation， the general design method of the actuator is given. The effects of the mutual coupling parameters such as the swinging rod amplification coefficient and the eccentricity of the movable tooth on the output characteristics of the drive are investigated， and the optimal range of the key parameters is given. The ideas and methods for the optimization and output characteristic analysis of the movable teeth drive actuator with SMA are provided.

关键词

SMA活齿结构设计输出特性

Keywords

SMAMovable teethStructural designOutput characteristic

references

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