双向变步长大位移压电作动器 A round-trip piezoelectric actuator with variable step and large

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双向变步长大位移压电作动器

A round-trip piezoelectric actuator with variable step and large displacement

提出一种基于蠕动式运动原理的新型双向变步长的大位移压电作动器,建立了该作动器的动力学模型.在30Hz作动频率下,采用MATLAB-SIMULINK软件进行了仿真.设计了含有高电压驱动器的作动器实验系统,作动器样机整体机构由嵌位部分、作动部分和轨道间距微调部分组成.研究结果表明,该作动器实际可提供±8mm的双向往返运动,实际作动曲线与计算机仿真结果在0.1 μm级精度条件下吻合良好.

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作 者: 张治君 徐明龙 冯勃 张希农 Zhang Zhijun Xu Minglong Feng Bo Zhang Xinong  
作者单位:西安交通大学,710049,西安 
刊 名:应用力学学报  ISTIC PKU
英文刊名:CHINESE JOURNAL OF APPLIED MECHANICS 
年,卷(期):2010 27(1) 
分类号:TN384 TH703.6 
关键词:蠕动   变步长   大位移   压电作动器   inchworm   variable step   large displacement   piezoelectric actuator  
机标关键词:双向变步长大位移压电作动器stepstructurepiezoelectric actuatorexperimentdynamic performanceMATLAB SIMULINKhigh voltage动力学模型agreement运动原理实验系统仿真结果results蠕动式驱动器计算机 
基金项目:民用航天预研项目 
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