Maximum Torque Operation of IPMSM Drives without Speed & Rotor Position Sensors Using An Extended Kalman Filter

확장된 칼만 필터를 이용한 속도 및 검출기가 없는 IPMSM의 최대토크 운전

To control the speed of IPMSM drives it is necessary to know the speed and the rotor position. This is normally done by measurement of this values with electromechenical sensors. In this paper, a new approach to the position elimination method for the high performance variable speed IPMSM drives with the current controlled PWM technique is presented. For the high performance drive capability in the speed region, a Extended Kalman filter algorithm is adopted to estimate the rotor position as well as the angular velocity for the practical sensorless IPMSM drives. The high performance drive characteristics of the proposed method are verified using the wide simulation.