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Pl-모델추종제어에 의한 유도전동기의 견실 서보 제어기의 설계 : Model Following Control
이치환 영남이공대학 1992 論文集 Vol.21 No.-
To make the nonlinear transfer function of the motor is intricated problem in the vector-controlled an induction motor. This paper shows a complete modelling of induction motor with current source inverter taking into account the structured and unstrutured perturbation. In the results. the ripple part of line current can be ignored in the transfer function due to a LPF action as smoothing operation of magnetizing inductance. Against the nonlinear torque function of the motor. the robust servo controller is designed with a modified model following control. And the compensator is simplified to PI form by solving LQ problem in error model of MFC. The external disturbance is greatly reduced than it of PI control.