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Vector control of permanent magnet synchronous machine PMSM is one of the new techniques have been developed in recent years. It's based on the use of measures from the mechanical sensor. In order to reduce the cost and improve the reliability of this variable speed drive, the paper presents a control method without sensor using the estimation of the electromotive force EMF to determine the speed and the position. The resulting algorithm is implemented in embedded dasiaCpsila language on DSP board and tested on 500 W PMSM.
Date of Conference: 2-4 April 2009