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HIGH PRECISION TORQUE CONTROL OF BRUSHLESS MOTOR BY PARAMETER IDENTIFICATION
Nobutyki MATUSUI,Masakane SHIGYO 전력전자학회 1989 ICPE(ISPE)논문집 Vol.- No.-
In the paper, the new current control implemented by software of the digital signal processor TMS 32OC25 with a sampling time 100 us is presented. The control is performed based on the instantaneous voltage equation of the brushless motor and the identification of the motor parameters is also performed. Two types of identifications, STR(Self tuning regulator) and MRACS(Model reference adaptive control system), are presented and compared. As the result of identification, the torque control as well as the current control can be performed regardless of the variations of the motor parameters due to, for example, the temoerature rise.