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이중 인버터로 구동되는 개방 권선형 영구자석 동기 전동기의 이산 공간벡터 변조 방식 기반 예측 토크 제어 기법
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Advisor
이교범
Affiliation
아주대학교 대학원
Department
일반대학원 전자공학과
Publication Year
2023-02
Publisher
The Graduate School, Ajou University
Keyword
DSVMMPC개방 권선 전동기듀얼 인버터모델 예측 제어이중 인버터
Description
학위논문(석사)--아주대학교 일반대학원 :전자공학과,2023. 2
Alternative Abstract
This thesis presents a predictive torque control (PTC) method based on discrete space vector modulation (DSVM) of open-end winding permanent magnet synchronous motor (OEW-PMSM) fed by dual inverter. Since the conventional PTC (C-PTC) method uses only one switching state in sampling period, the torque and flux ripple are increased, leading to performance degradation of motor. In order to improve these disadvantages, this thesis proposed the PTC method on DSVM to select the optimal voltage vector by splitting the voltage vectors into the virtual voltage vectors. Furthermore, the deadbeat method based on estimation of reference voltage angle is utilized to reduce the calculation burden of microprocessor. Therefore, using the proposed method, the reference voltage with multi-level effect can be generated by the virtual voltage vectors, and it result in the reduction of torque and flux ripple. The effectiveness and feasibility of the proposed PTC method based on DSVM has been demonstrated through simulation and experimental results.
Language
kor
URI
https://aurora.ajou.ac.kr/handle/2018.oak/24725
Journal URL
https://dcoll.ajou.ac.kr/dcollection/common/orgView/000000032516
Type
Thesis
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