Modelling and control for giant magnetostrictive micro-actuator turning system

被引：0
|
作者：
Yuan, Huiqun [1 ,2 ]
Li, Ying [2 ]
Li, Dong [1 ]
Liang, Mingxuan [2 ]
Meng, Fanxing [3 ]
机构：
[1] College of Science, Northeastern University, Shenyang, 110819, China
[2] School of Mechanical Engineering and Automation, Northeastern University, Shenyang, 110819, China
[3] College of Science, Shenyang University, Shenyang, 110044, China
来源：
Zhendong Ceshi Yu Zhenduan/Journal of Vibration, Measurement and Diagnosis | 2014年 / 34卷 / 02期
关键词：
Magnetostrictive devices - Linear actuators - Boundary layers - Actuator disks - Magnetic actuators - Feedback linearization - Hyperbolic functions - Microactuators - Microoptics;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A dynamic model of giant magnetostrictive micro-actuator (GMA) turning system is established while considering temperature, pre-stress, and the nonlinear influence of the disc spring. Firstly, the controller is designed based on exact feedback linearization, using a hyperbolic tangent function instead of sign function and sliding mode variable structure control. Moreover, in order to reduce chattering and increase the continuity of the controller, the boundary layer is introduced. Finally, the results of the experiment verify that the control method with changed temperature and outside interference is effective.
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页码：351 / 355
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