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0 INTRODUCTIONInhydrauliccontrolsystem ,inordertoimprovethecontrolperformance ,controlmethodofthebestoptimiza tion ,theintelligentPIDregulator,thestatenegativefeed backcontrolmethodandsoonaregenerallyused .Thesecontrolmethodscangiveresultsatisfactorilytoce… 相似文献
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