材料试验机的控制策略研究及实现

作者：张将府，陶向阳，汪雄海 日期：2007-10-24/span> 浏览：3786 查看PDF文档

材料试验机的控制策略研究及实现

张将府，陶向阳，汪雄海
（浙江大学 电气工程学院，浙江 杭州 310027）

摘要：以实现材料试验机的定值及速率有效控制为目的，建立了材料试验机的一般数学模型，提出了基于模糊推理的自调节PID控制策略，并应用该控制策略设计了控制器，应用到材料试验机控制系统模型中。经Matlab仿真，实验数据及相应仿真曲线表明，该控制器具有调节迅速、响应时间短、控制精确、超调量小、抗干扰能力强等特点，在试验机系统模型上获得了良好的定值控制以及速率控制，使控制性能得到了改善。
关键词：电液伺服；材料试验机；模糊推理；定值速率控制
中图分类号：TP273+.4文献标识码：A文章编号：1001-4551(2007)09-0059-05

Research and implementation of control strategy on Materialtestingmachine
ZHANG Jiangfu, TAO Xiangyang, WANG Xionghai
(College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China)
Abstract: In order to control the materialtestingmachine to run on a stable value or a certain speed, the general math model of materialtestingmachine was built, and a strategy called fuzzyPID was put forward to design the controller of materialtestingmachine. According to the simulation of Matlab, it shows that the controller owns the virtues of quick regulation, precise, little excess, and a good disturbanceagainst capability; besides, it is able to control the materialtestingmachine to run following mans requisition, and improves the control effect greatly.
Key words: hydraulic servo; materialtestingmachine; fuzzy inference; speed control

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