摘要：形状记忆合金电机具有机械性能高、体积小、重量轻等特点，可作为驱动元件应用在小尺寸的机械装置中。本文介绍了形状记忆合金电机的基本原理及结构，对其优缺点和研制现状进行了详细分析，并给出了形状记忆合金电机的应用领域与未来发展方向。

关键词：形状记忆合金（SMA）；形状记忆合金电机

Abstract: The shape memory alloy actuator has high mechanical performance, small size, light weight, and other characteristics, can be applied to the small size of the mechanical device as a driving element. This paper describes the basic principle and structure of shape memory alloy actuator. The  development status as well as the advantages and disadvantages of shape memory alloy actuator are analyzed in detail, and gives a shape memory alloy actuator applications and the development direction in the future.

Key words: shape memory alloy(SMA)；shape memory alloy actuator