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논문 기본 정보

자료유형
학술저널
저자정보
Hye Ung Shin (Ajou University) Seong Yun Kang (Dawonsys Co., Ltd., Ansan) Kyo-Beum Lee (Ajou University)
저널정보
대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.12 No.3
발행연도
2017.5
수록면
1,177 - 1,186 (10page)

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초록· 키워드

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This paper presents a torque ripple reduction method of direct torque control (DTC) using fuzzy controller with optimal selection strategy of voltage vectors in a five-phase induction motor. The conventional DTC method has some drawbacks. First, switching frequency changes according to the hysteresis bands and motor’s speed. Second, the torque ripple is rapidly increased in long control period. In order to solve these problems, some/most papers have proposed torque ripple reduction methods by using the optimal duty ratio of the non-zero voltage vector. However, these methods are complicated in accordance with the parameter. If this drawback is eliminated, the torque ripple can be reduced compared with conventional method. In addition, the DTC can be simply controlled without the use of the parameter. Therefore, the proposed algorithm is changing the voltage vector insertion time by using the designed fuzzy controller. Also, the optimized voltage vector selection method is used in accordance with the torque error. Simulation and experimental results show effectiveness of the proposed control algorithm.

목차

Abstract
1. Introduction
2. Voltage Vector in Five-phase Inverter
3. Proposed Torque Ripple Reduction Method in Five-phase Induction Motor
4. Simulation and Experiment Results
5. Experiment Results
6. Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2017-560-002385431