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Real-Time Performance Evaluation of Extended EMF based Sensorless Drive for SPMSMs
(IEEE, 2014) Barut, M.; Jung, S. -Y.; Mi, C.
This paper focuses on the low speed performance of extended electromotive force (EMF) based position-sensorless speed control of surface permanent magnet synchronous motors (SPMSMs) in real-time. It is the first time Morimoto's extended EMF approach is applied to SPMSM and its low speed performance is evaluated by real-time experiments. The results obtained from the designed position-sensorless drive system embedded on dSPACE-DS1104 controller and including the SPMSM of 0.0262 Vrms/rpm show that the stable low speed estimation and position-sensorless control can be executed down to 1.4286 % of the rated speed.