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A High-Performance Position Sensorless Control System of Reluctance Synchronous Motor with Direct Torque Control  

김민회 (영남이공대학 전기전자계열)
김남훈 (영남대 전기공학과 대학원)
백원식 (영남대 대학원 전기공학과)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.7, no.1, 2002 , pp. 81-90 More about this Journal
Abstract
This paper presents an Implementation of digital high-performance position sensorless control system of Reluctance Synchronous Motor(RSM) drives with Direct Torque Control(DTC). The system consists of stator flux observer, speed and torque estimator, two digital hysteresis controllers, an optimal switching look-up table, Insulated Gate Bipolar Transistor(IGBT) voltage source inverter, and TMS320C31 DSP board. The stator flux observer Is based on the combined voltage and current model with stator flux feedback adaptive control of which inputs are current and voltage sensed on motor terminal for wide speed range. In order to prove the suggested sensorless control algorithm for industrial field application, we have some simulation and actual experiment at low and high speed range. The developed high-performance speed control by fully digital system are shown a good response characteristic of control results and high performance features using 1.0[kW] RSM having 2.57 reluctance ratio of $L_d/L_q$.
Keywords
DTC; RSM; Position Sensorless Control; Stator Flux; Speed and Torque Observer;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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