• CN：11-2187/TH
  • ISSN：0577-6686
机械工程学报

›› 2007, Vol. 43 ›› Issue (8): 12-16.

• 论文 • 上一篇    下一篇

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超磁致伸缩致动器建模与控制仿真

陈定方;舒亮;卢全国;陈敏;钟毓宁   

  1. 武汉理工大学智能制造与控制研究所;南昌工程学院机械与动力工程系;湖北工业大学现代制造质量工程湖北省重点实验室
  • 发布日期:2007-08-15

MODELING AND CONTROL SIMULATION OF GIANT MAGNETOSTRICTIVE ACTUATOR

CHEN Dingfang;SHU Liang;LU Quanguo;CHEN Min;ZHONG Yuning   

  1. Institute of Intelligent Manufacturing and Control, Wuhan University of Technology Department of Mechanical and Power Engineering, Nanchang Institute of Technology以 Key Laboratory of Modern Manufacturing Quality Engineering of Hubei Province, Hubei University of Technology
  • Published:2007-08-15

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摘要： 设计一种超磁致精密伸缩致动器，对其构造和工作原理进行说明，并完成静态特性试验。通过对静态特性试验结果的分析，寻找到线性度比较理想的工作区间。在此基础上分析并建立所研制致动器的数学模型。为了提高致动器的响应速度和稳态输出，设计PID控制器进行校正，并对连续型和离散型的系统模型分别进行了仿真，得出控制器的控制效果，最后给出试验结果。对仿真结果和试验结果的对比分析，表明了所建立的超磁致伸缩致动器控制模型的有效性。

关键词: PID, 超磁致伸缩致动器, 仿真, 静态特性, 响应速度

Abstract: A kind of giant magnetostrictive actuator (GMA) is designed. The structure and its working principle are presented and the static performance experiments are done. Through the analysis of the experimental results, the better linear work domain is found. Based on that, the mathematical model of GMA is analyzed and built. In order to improve the response speed and steady output, the PID controller is designed to adjust the system, and the continuous and dispersed system models are simulated separately. Then the effect of the controller is obtained. Finally, the experimental results are presented. Through the comparison between simulation results and experimental ones, it is shown that model of GMA is effective.

Key words: Giant magnetostrictive actuator, PID, Response speed, Simulation, Static performance

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