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。
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.
出处
《机械工程学报》
EI
CAS
CSCD
北大核心
2007年第8期12-16,共5页
Journal of Mechanical Engineering
基金
国家高技术研究发展计划(863计划
2003AA414011)
现代制造质量工程湖北省重点实验室开放基金(LMQ2006A01)资助项目。
关键词
超磁致伸缩致动器
静态特性
PID
响应速度
仿真
Giant magnetostrictive actuator Static performance PID Response speed Simulation
