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논문 기본 정보

자료유형
학술저널
저자정보
Qingwei Yuan (Zhejiang University) Zhiyong Zeng (Zhejiang University) Rongxiang Zhao (Zhejiang University)
저널정보
대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.12 No.1
발행연도
2017.1
수록면
236 - 248 (13page)

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초록· 키워드

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A direct stator flux vector control scheme in discrete-time domain is proposed in this paper for the interior permanent magnet synchronous motor (IPMSM) drive to remove the proportional-integral (PI) controller from the direct torque control (DTC) scheme applied to IPMSM and to obtain faster dynamic response and lower torque ripple output. The output of speed outer loop is used as the desired torque angle instead of the desired torque in the proposed scheme. The desired stator flux vector in dq coordinate is calculated with a given amplitude. The state-space equations in discrete-time for IPMSM are established, the actual stator flux vector is estimated in deadbeat manner by a full-order state observer, and then the closed-loop control is achieved by the pole placement. The stator flux error vector is utilized to calculate the reference stator voltage vector. Extracting the angle position and amplitude from the estimated stator flux vector and estimating the output torque are eliminated for the direct feedback control of the stator flux vector. The proposed scheme is comparatively investigated with a PI-SVM DTC scheme by experiment results. Experimental results show the feasibility and advantages of the proposed control scheme.

목차

Abstract
1. Introduction
2. Mathematical Model of IPMSM
3. Implementation of Direct Stator Flux Vector Control
4. Experimental Results
5. Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2017-560-002013505