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可变体积容腔内气体压力的模糊PID控制

Fuzzy PID Control of Air Pressure in a Variable Volume Cavity

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【作者】 赵志衡冀勇宋欢林航东

【Author】 ZHAO Zhiheng;JI Yong;SONG Huan;LIN Hangdong;School of Electrical Engineering and Automation,Harbin Institute of Technology;State Grid Shandong Electric Power Company Qingdao Power Supply Company;Faculty of Natural & Mathematical Science,King’s College London;

【机构】 哈尔滨工业大学电气工程及自动化学院国网山东省电力公司青岛供电公司伦敦大学国王学院自然和数学科学学院

【摘要】 针对工业现场中存在的可变体积容腔内气体压力的控制问题,提出了可变体积容腔内气体压力的模糊PID控制方法,从而将模糊PID控制应用到了实际控制中。该方法可以实现控制参数的在线整定,对非线性时变系统的控制效果更优,且易在实际工业现场中应用。仿真试验结果表明,在对超塑成形设备气压控制系统中可变体积气腔内气体的压力进行控制时,模糊PID控制下系统阶跃响应的超调更小,调整时间更短,符合控制要求。

【Abstract】 In view of the control problem of the air pressure in the variable volume cavity in the industrial field,a fuzzy PID control method for the air pressure in a variable volume cavity was proposed,and the fuzzy PID control was applied to the actual control.This method could realize on-line tuning of control parameters,and had better control effect on nonlinear time-varying system,and was easy to be applied in actual industrial field.The experimental results showed that the overshoot of the step response of the fuzzy PID control system was smaller and the adjustment time was shorter when the air pressure in variable volume air chamber in pressure control system of superplastic forming equipment was controlled.

【关键词】 可变体积容腔气体压力模糊PID
【Key words】 variable volume cavityair pressurefuzzy PID
【基金】 国家科技重大专项项目资助(2014zx04001171)
  • 【文献出处】 探测与控制学报 ,Journal of Detection & Control , 编辑部邮箱 ,2018年03期
  • 【分类号】TP273
  • 【被引频次】4
  • 【下载频次】237
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