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김민희,Kim, Min-Huei 대한전기학회 2014 전기학회논문지 P Vol.63 No.4
This paper propose a variable parameter estimations of five-phase squirrel-cage induction motor(IM) for speed control system. In order to high performance control of AC motor using a field oriented control(FOC) and direct torque control(DTC) algorithm, there are required precise motor parameters for slip calculation, flux observer, controller gain, rotor position, speed estimation, and so on. We are suggest a analyzed estimation results of the motor parameters that developing five-phase squirrel-cage IM have a stator of concentrated winding for experimental of variable input power frequency. There are results of stator winding test, no-load test, locked-rotor test, variable actual load test, and estimated parameters of equivalent circuits using manufactured experimental apparatus by IEEE Standard Test Procedure for Polyphase Induction Motors and Generators 112-2004.
직접 토크제어에 의한 리럭턴스 동기전동기의 위치제어 시스템
김민희(Min-Huei Kim),김남훈(Nam-Hun Kim),최경호(Dong-Hee Kim),김동희(Kyeong-Ho Choi),이상호(Sang-Ho Lee),황돈하(Don-Ha Hwang) 전력전자학회 2001 전력전자학술대회 논문집 Vol.2001 No.-
This paper presents a digital motion control system for Reluctance Synchronous Motor (RSM) drives with direct torque control (DTC) The system consists of stator flux observer, torque estimator, two hysteresis band controllers, an optimal switching look-up table, IGBT voltage source inverter(VSI), and TMS320C3I DSP controller by using fully integrated control software The stator flux observer is based on the combined voltage and current model with stator flux feedback adaptive control of which inputs are current, voltage and actual rotor angle for wide speed range In order to prove the suggested motion control algorithm, There are some simulation and testing at actual experimental system The developed digitally high-performance motion control system are shown a good motion control response characteristic results and high performance features using 10Kw RSM Key Words˙ DTC, RSM, Motion Control, Stator Flux/Torque Observer.<br/> <br/> <br/>
김민호(Min-Ho Kim),김남훈(Nam-Hun Kim),김동희(Dong-Hee Kim),이상호(Sang-Ho Lee),김민희(Min-Huei Kim) 전력전자학회 2000 전력전자학술대회 논문집 Vol.2000 No.11
This paper presents an implementation of digital motion control system of Surface Permanent-Magnet Synchronous Motor(SPMSM) vector drives with a direct torque contro](DTC) using the 16bit DSP TMS320F240. The DSP controller enable enhanced real time algorithm and cost-effective design of intelligent control for motors which can be yield enhanced operation, fewer system components, lower system cost, increased efficiency and high performance. The system presented are stator flux and torque observer of stator flux feedback model that inputs are current and voltage sensing of motor terminal and rotor angle for a low speed operating area, two hysteresis band controllers, an optimal switching look-up table, and IGBT voltage source inverter by using fully integrated control software. The developed control system are shown a good motion control response characteristic results and high performance features using 1.0Kw purposed servo drive SPMSM.
김남훈(Nam-Hun Kim),김민호(Min-Ho Kim),김민희(Min-Huei Kim),김동희(Dong-Hee Kim),황돈하(Don-Ha Hwang) 전력전자학회 2001 전력전자학술대회 논문집 Vol.2001 No.7
Direct torque control(DTC) is known to produce quick response in ac drives. Some drawbacks of the classical DTC are the relatively large torque ripple in a low speed range and notable current pulsation during steady state. They are reflected speed response and increased acoustical noise. In this paper, The DTC quick response are preserved at transient state, while better quality steady state performance is produced by Space Vector Modulation(SVM). It is able to reduce the acoustical noise, torque ripple and current pulsation during steady state. The system presented are closed loop stator flux and torque observer for wide speed range that inputs are currents and voltages sensing of motor terminal Simulation results for the 2.2kw general purposed induction motor are presented and discussed.
김남훈(Nam-Hun Kim),김동희(Dong-Hee Kim),김민희(Min-Huei Kim) 전력전자학회 1999 전력전자학술대회 논문집 Vol.- No.-
This paper presents an implementation of digital position control system of induction motor vector drives using the 16bit DSP TMS320F240. The DSP controller enable enhanced real time algorithm and cost-effective design of intelligent controllers for induction motors which can be yield enhanced operation, fewer system components, lower system cost, increased efficiency and high performance. The system presented are position, speed and current sensing, sine look-up table and generated SVPWM by fully integrated control software. The developed system are shown a good position control response characteristic results and high performance features using 22K w induction motor.
김남훈(Nam-Hun KIm),김동희(Dong-Hee Kim),이상호(Sang-Ho Lee),이상석(Sang-Seock Lee),김민희(Min-Huei Kim) 전력전자학회 1999 전력전자학술대회 논문집 Vol.1999 No.7
This paper presents a implementation of digital motion control system for mduction motor vector drives using the 16M DSP TMS320F240. The DSP controller enable enhanced real time algorithm and cost-effective design of intelligent controllers for induction motors which can be Yield enhanced operation, fewer system components, lower system cost, Increased efficiency and high performance. The system presented are speed and current sensing, sine look-up table and generated SVPWM by fully integrated control software. The developed system in a Implementation are shown a good speed response characteristics results and high performance features The system can be adapted variform motor drive system.