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我用28035 产生方波控制PMSM,空载电流很大,有10A之大,这是为什么呢?
那应该就是算法有问题。
你如果要用方波控制PMSM,建议看TI的历程:
C:\ti\controlSUITE\development_kits\HVMotorCtrl+PfcKit_v2.1\HVBLDC_Sensorless
Eric
对于PMSM,一般采用正弦波控制方式,方波控制会使控制精度达不到需求,空载电流10A也不太正常,建议参考TI示例算法