机构地区: 华中科技大学机械科学与工程学院
出 处: 《中国机械工程》 2004年第20期1794-1797,共4页
摘 要: 提出了一种新型结构形式的形状记忆合金驱动器———内嵌式形状记忆合金驱动器。该驱动器将U形回复形状记忆合金丝嵌入弹性硅胶棒内 ,通过温控方式实现驱动器的往复可逆弯曲运动 ,对外稳定输出力和位移。研究了驱动器运行机理 ,探讨了基于形状记忆合金电阻反馈的变结构滑模控制策略 。 The paper presented a new type shape memory alloy actuator (SMAA)-embedded SMAA (ESMAA). The actuator consists of an elastic rod with embedded U-shape recovering SMA wire. Through recoverable temperature circle, the actuator could output force and displacement steadily. The deflection theory of the actuator was also established. Besides, with position detection and SMA's resistance feedback, the sliding mode control strategies were investigated theoretically and experimentally.
关 键 词: 形状记忆合金 内嵌式形状记忆合金驱动器 滑模控制 机械手