3、进行了验证。关键词:直流电机;弱磁调速;Matlab仿真;Simulink42AbstractDCmotor‘sspeedperformanceandstartingtorqueishigherthanACmotor。ThereforeDCmotorhasbeenwidelyappliedintheinmanydemandingoccasions.The design is electric machinery simulation experiment based on MATLAB. Firstly, we should learn to study the internal st
4、ructure and principle of operation of the electric machinery. Secondly, it is the learning of the MATLAB software. To build up a simulation model we need to use the Simulink module to build up different type and capacity motors’ starting, speed regulation and braking module by Simulink module, t
5、hen simulate the curves of the parameters.Thesimulationofthemotorplaysanimportantroleinstudyingtheelectricmachinery.Bybuildingupthemodelstosimulatethevarietyofthemotors’starting,speedregulationandbrakingcurves.Firstly,wecangreatlyimprovethesafetyduringtheprocessoftheexperiment.Secondly,itiseasyt