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CNC 공작기계의 AC 서보 모터의 위치 및 속도 제어 특성
박인준(I. J. Park),백형래(H. L. Baek),정헌상(H. S. Jung),정수복(S. B. Jung),최송철(S. C. Choi) 전력전자학회 1998 전력전자학술대회 논문집 Vol.- No.-
This paper is a study about Ac servo motor position and speed control characteristics which depend on feedforward control, the acceleration / deceleration time constant after the interpolation, and PI control, automatic deceleration at comer in order to shape cutting control of feed drive system of the machine tool The shape error caused by delay of the servo system in the direction of radius at the time of circular cutting is reduced by feedforward control. The shape error generated by the position command delay is minimized by using the acceleration / deceleration time constant after the interpolation. The results were verified to optimization of feed drive system by a vertical machining center experimentation of the machine tool.<br/> <br/>
MATLAB/SIMULINK를 이용한 전동기 가변속 구동시스템 모델링 및 시뮬레이션
정삼용(S.Y Jeong),최연옥(Y.O Choi),한엄용(U.Y Han),오금곤(G.K Oh),정수복(S.B Jung),조금배(G.B Cho) 전력전자학회 1997 전력전자학술대회 논문집 Vol.1997 No.-
The variable speed drive system of a elecric motor is popular in industry due to its economical aspect and simplicity of implementation, comaparing with a steam turbine or the other engine driven. For a large pumping load like a feedwater pump rated about or more than 20,000kW, a synchronous motor could be primarily considered .<br/> In this paper, we studied the modelling of a variable speed drive system consisted with a load commutated inverter(LCI) and a brushless sailent pole rotor synchronous motor(SM) using MATLAB/SIMULINK.<br/> Simulation was performed with a small SM motor parameters.