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基于模糊PID控制的气体泄漏检测系统的容积补偿 被引量:5

Volume compensation of gas leakage detection system based on fuzzy PID control
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摘要 容积补偿装置控制系统的性能决定了泄漏检测系统的稳定性、检测精度和检测速度。针对在常规PID中引入设定权值后超调量减小,而过程响应的上升时间却增加的问题,参考ZN整定法设计并优化了自适应设定值权值的模糊PID控制器;建立了控制系统数学模型,采用Matlab/Simulink进行了模糊PID控制与优化后模糊PID控制的仿真比较;最后,分别采用模糊PID控制与优化后模糊PID控制作为容积补偿控制算法,设计了检测系统的控制软件,并进行了实验。仿真和实验结果表明,优化后的模糊PID控制器在保持其他性能指标的同时,能很好地抑制过程超调量并且不降低设定值响应速度。 The stability, detection precision and detection speed of the leakage detection system depends on the quality of volume-compensation control system. Aiming at the problem of setting weights overshoot decreased, but the process response rising time increased in the conventional PID, an adaptive setting weights fuzzy PID controller by referring to ZN tuning method was designed and optimized. The control system mathematical model was established to compare the simulation of fuzzy PID control with the simulation of optimized fuzzy PID control in Matlab/Simulink. Finally, detection system control software was designed by using the algorithm of fuzzy PID control and optimized fuzzy PID control as the volume-compensation control. Experiments were done with the software. Simulation and experimental results indicate that the optimal fuzzy controller can keep other pefformance index in good condition and prevent process overshoot well without reducing response speed at the same time.
出处 《机电工程》 CAS 2012年第12期1382-1385,共4页 Journal of Mechanical & Electrical Engineering
基金 浙江省科技计划资助项目(2008C21146)
关键词 气体泄漏检测 容积补偿 模糊PID控制 gas leakage detection volume compensation fuzzy PID control
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