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논문 기본 정보

자료유형
학술저널
저자정보
VU VAN HUNG (Korea Maritime & Ocean University) Kyoung-kuk Yoon (Korea Maritime & Ocean University) Sung-geun Lee (Korea Maritime & Ocean University)
저널정보
한국마린엔지니어링학회 Journal of Advanced Marine Engineering and Technology (JAMET) 한국마린엔지니어링학회지 제47권 제5호
발행연도
2023.10
수록면
244 - 251 (8page)
DOI
10.5916/jamet.2023.47.5.244

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With the increasing number of electric cars worldwide, permanent-magnet synchronous motors (PMSMs) are becoming increasingly popular in the transportation industry. In parallel with the development of PMSM, many novel control strategies have been developed to make PMSM superior and robust. In all control strategies aimed at improving the operation of PMSMs, the control strategy using discontinuous pulse width modulation (DPWM) instead of continuous space vector pulse width modulation (CSVPWM) for field-oriented control (FOC) is widely used to reduce switching and save energy. However, this method has not been applied by researchers to sensorless PMSM control three-phase inverters. Therefore, this study investigated a sensorless PMSM control with a DPWM FOC and a traditional sliding-mode observer to estimate rotor positions. Additionally, a modified sliding-mode observer with a Park phase-locked loop (PLL) was designed experimentally to improve the stability of the PMSM speed and reduce harmonics in the output phase current for the inverter under the FOC with DPWM. The experimental results verified that the sliding-mode observer integrated with the Park PLL can improve the operation of the sensorless PMSMs under FOC with DPWM.

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Abstract
1. Introduction
2. Mathematical Model of PMSM
3. Field-Oriented Control Strategy for PMSM
4. Design of Sliding Mode Observer for Sensorless PMSM Controlled with DPWM
5. Experiment and Results
6. Conclusions
References

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