An improved rotor speed estimation method of IPMSM
Abstract-Inordertoestimatethespeedfluctuationbandofinteriorpermanentmagnetsynchronousmotor(IPMSM)underspeedsensorlesscontrolwithcyclicfluctuatingloadaccurately,animprovedrotorspeedestimationmethodisproposed.Arotorfluxorientedvectorcontrolwithconventionalmodelreferenceadaptivesystem(