4、hematicalmodelbasedontheanalysis,weputthemotorrotationspeeddeviationEandtherotationspeeddeviationchangeratede/dtasistheinputvariables,theuseofMATLAB/SIMLINKmoduletoestablishthesimulationmodelofthesystem.Basedonthe classicalPI controlsystem andfuzzyPI controlsystem isanalyzedwith the simul