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약계자 영역에서 퍼지 추론을 이용한 스핀들 유도전동기 간접벡터제어
윤주만(J.M. Yoon),유재성(J.S. Yu),원충연(C.Y. Won),최철(C. Choi),이상훈(S.H. Lee) 전력전자학회 2004 전력전자학술대회 논문집 Vol.- No.-
This paper presents a new speed control scheme of the spindle induction motor (IM) using fuzzy-logic control in field weakening region. The implementation of the proposed FLC-based spindle IM are investigated and compared to those obtained from the conventional PI controller based drive system, we have confirmed good simulation and experimental results at different dynamic operating conditions such as sudden change in command speed, step change, etc.
박세환(S.H. Park),윤주만(J.M. Yoon),유재성(J.S. Yu),신수철(S.C. Shin),원충연(C.Y. Won),최철(C. Choi),이상훈(S.H. Lee) 전력전자학회 2004 전력전자학술대회 논문집 Vol.- No.-
This paper presents a strategy to drive built in-type spindle induction motor which is used as CNC (Computer Numerical Control) in the industrial world. The direct vector control which is robust to the changed machine parameters in the high speed range is used in this motor control method. And electrical model of induction motor presents the basic idea based on observer structure, which is composed of voltage model and current model. But the former has the defects in low speed range, the latter has the defects of sensitivity to motor parameter. Thus Gopinath model flux estimator which is the closed loop flux observer based on two models for the rotor flux estimation is used in this paper. Moreover this paper presents to drive the spindle motor in the high speed range by using the flux weakening control.
박세환(S.H. Park),윤주만(J.M. Yoon),유재성(J.S. You),신수철(S.C. Shin),원충연(C.Y. Won),최철(C. Choi),이상훈(S.H. Lee) 한국조명·전기설비학회 2004 한국조명·전기설비학회 학술대회논문집 Vol.2004 No.5월
A new control method of spindle induction motor drive is proposed in this paper. In a conventional control method, the vector control was employed in the low speed range, while the constant V/f(volt-per-hertz) PWM control was employed in the high speed range. The two control modes were automatically selected at an intermediate speed. In a proposed control method, the direct vector-control with an encoder is employed in the low speed range(from 0 to 8,000rpm), and the vector control without an encoder is employed in th high speed(from 8,000 to 15,000rpm) by using flux observer and speed estimator. This paper describes problem of control method in a conventional spindle induction motor drive and proposes contort method as variation of motor speed.
Built-in Type 스핀들 구동을 위한 제어방법에 관한 연구
한성용(S.Y.Han),윤주만(J.M.Yoon),박세환(S.H.Park),원충연(C.Y.Won),김영렬(Y.R.Kim),최철(C.Choi),이상훈(S.H.Lee) 전력전자학회 2003 전력전자학술대회 논문집 Vol.2003 No.11
In this paper, the authors propose a new high performance Built-in Type spindle motor drive using vector-controlled technique at 15,000 r/min. Control method is changed by variation of motor speed in a conventional Built-in type spindle drive. In the drive system to be presented, the conventional vector control is used in the low-speed range, and the vector control without encoder IS used in the high-speed range. Furthermore, in order to drive the motor from 0 to 15,000 rpm smoothly, the vector control with encoder In the low-speed range (from 0 to 8,000 rpm) is utilized and the vector control without encoder in the high-speed range (from 8,000 to 15,000 rpm) is utilized.<br/> This paper describes problem of control method in conventional spindle drive and proposes control method as variation of motor speed