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직접토크 제어방식을 이용한 유도전동기 구동에 관한 연구
안용상(Y. S. Ahn),김연충(Y. C. Kim),이정호(J. H. Lee),원충연(C. Y. Won),송호범(H. B. Song) 전력전자학회 1999 전력전자학술대회 논문집 Vol.1999 No.7
Direct Torque Control method for an Induction Motor is presented which is quite different from field-oriented control It carries out a precise and quick control of the stator flux and electromagnetic torque of an 1M without calling for coordinate transformation, speed measurement, and stator current control. In principle, moreover, DTC operation requires only the knowledge of the stator resistance.
진화 알고리즘을 이용한 인버터 스폿 용접기의 가변 전력 제어
김재문(J.M.Kim),이정호(J.H. Lee),김연충(Y.C.Kim),원충연(C.Y.Won),최규하(G.H.Choi),김규식(G.S.Kim) 전력전자학회 1999 전력전자학술대회 논문집 Vol.- No.-
In this paper, evolution algorithm control strategy is presented to improve the quality of the welding products.<br/> To find optimal gain of PI controller using Evolution Strategies(ESs) and variable power control using its gain during welding interval is proposed. Simulation and experimental results show that performances of the proposed variable power control by ESs are far more excellent compared to those of conventional control
엘리베이터구동용 영구자석형 동기전동기의 속도제어에 관한 연구
유재성(J.S.Yu),김이훈(L.H.Kim),최기준(G.J.Choi),윤관철(K.C.Yoon),정무택(M.T.Jung),김연충(Y.C.Kim),이상석(S.S.Lee),원충연(C.Y.Won) 전력전자학회 2003 전력전자학술대회 논문집 Vol.2003 No.7(1)
This paper presents the speed control of the surface-mounted permanent-magnet synchronous motors (SMPMSM) for the elevator drive The elevator motor needs to be a compact and slim type Essentially, the proposed scheme uses a vector control algorithm for a speed and torque control This system is implemented using a<br/> high speed 32-bit DSP (TMS320C31-50), a<br/> high-Integrated logic device FPGA (EPF1OK10-TI144-3)to design compactly and Inexpensively<br/> The proposed scheme is verified through digital simulation and experiments for a three-phase 133kW SMPMSM as a MRL(MachineRoomLess) elevator motor in the laboratory finally, experiment of the test tower was performed with a 48kW PWM converter-Inverter system for a high-speed elevator
퍼지-뉴럴 제어기를 이용한 스위치드 리럭턴스 전동기의 속도 제어에 관한 연구
박지호(J.H.PARK),김건우(k.W.KIM),김연충(Y.C.KIM),원충연(C.Y.WON),김창림(C.L.KIM),최경호(K.H.CHOI) 전력전자학회 1998 전력전자학술대회 논문집 Vol.- No.-
In this paper, an auto-tuning method for fuzzy controller based on the neural network is presented. The backpropagated error of neural emulator offers the path which reforms the fuzzy controller's membership functions and fuzzy rule, and used for speed control of switched reluctance motor. The experiments are performed to verify the capability of proposed control method on 6/4 salient type SRM. The results show that fuzzy-neural controller is suitable for wide speed range.