摘要：
為了提高和擴(kuò)展plc控制器的應(yīng)用水平與范圍,針對(duì)精確模型難以確定具有時(shí)滯性、非線性、不對(duì)稱性的工業(yè)控制系統(tǒng),將模糊控制思想和預(yù)測(cè)模型與傳統(tǒng)的pid控制相結(jié)合,形成了一種帶預(yù)測(cè)模型的模糊-pid控制方法。同時(shí)在matlab/simulink中進(jìn)行了仿真,并給出了將其在plc中實(shí)現(xiàn)的方法。測(cè)試結(jié)果證明了該方法的可行性,且該方法使得系統(tǒng)超調(diào)量大幅降低、調(diào)節(jié)時(shí)間縮短、系統(tǒng)穩(wěn)態(tài)特性良好,調(diào)節(jié)過(guò)程較為平穩(wěn),控制精度得到大幅提高
關(guān)鍵詞:
abstract:
to improve and expand the application of the plc controller and to solve the problem that it is difficult for the accurate model to determine the industrial control system with time delay,nonlinearity,and asymmetry,the idea of fuzzy control and the forecast model are combined with the traditional pid control,forming a forecast model of fuzzy-pid control method,and simulation is done in matlab/simulink.test results show that the method is feasible,and has greatly reduced the system overshoot and adjustment time,the system has good steady-state performance,the adjustment process is stable,and the control precision is greatly improved.
key words:
中圖分類號(hào):
tp391
引用本文
王亞壘,黃夢(mèng)濤. 基于預(yù)測(cè)模型的模糊pid在plc中的實(shí)現(xiàn)與應(yīng)用[j]. , 2014, 27(10): 29-.
wang yalei,huang mengtao. implementation and application of fuzzy plc in pid based on the forecast model[j]. , 2014, 27(10): 29-.
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