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이정철(Jung-Chul Lee),이홍균(Hong-Gyun Lee),정택기(Tack-Gi Jun),정동화(Dong-Hwa Chung) 전력전자학회 2002 전력전자학술대회 논문집 Vol.- No.-
This paper is proposed maximum torque control for electric vehicle drive At low speeds, the reluctance torque is used to maximize the output for a given current level This is achieved maximum torque per ampere(MTPA) by selecting an optimal value of the direct stator current component At high speeds, the system reaches a point at which the inverter will not be able to supply the desired voltage. In this case it is necessary to make use of an increased value the direct current component<br/> The proposed control algorithm is applied to PMSM drive system, the operating characteristics controlled by maximum torque control are examined m detail by simulation
이홍균(Hong-Gyun Lee),이정철(Jung-Chul Lee),정택기(Tack-Gi Jung),정동화(Dong-Hwa Chung) 전력전자학회 2002 전력전자학술대회 논문집 Vol.- No.-
This paper investigates the adaptive control of a fuzzy logic based speed and flux controller for a vector controlled induction motor drive A model reference adaptive scheme is proposed in which the adaptation mechanism is executed by fuzzy logic based on the error and change of error measured between the motor speed and output of a reference model The control performance of the model reference adaptive control(MRAC) fuzzy controller is evaluated by simulation for various operating conditions The validity of the proposed MRAC fuzzy controller is confirmed by performance results for induction motor drive system