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논문 기본 정보

자료유형
학술대회자료
저자정보
Cheolmin Hwang (Seoul National University) Gyu Cheol Lim (Seoul National University) Sangwon Lee (Seoul National University) Jung-Ik Ha (Seoul National University)
저널정보
전력전자학회 ICPE(ISPE)논문집 ICPE 2023-ECCE Asia
발행연도
2023.5
수록면
3,044 - 3,050 (7page)

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초록· 키워드

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This paper presents an analysis of the speed transient performance of a servo motor, including their physical limit and a nominal speed response frequency. A new indicator of transient performance for servo drives is also introduced, which is obtained from the measured speed response frequency using a proposed scaling method. This method reduces the dependency on changes in speed reference in case of step response analysis. The proposed transient performance indicator is the ratio of this scaled value to the nominal speed response frequency, which reflects how close the servo drive’s transient performance is to the limit transient performance of the servo motor. This paper also proposes the control strategy to fully utilize the physical limit of the speed transient performance. A strategy includes the predictive current control with finite-control-set to utilize the maximum output voltage, as well as a criterion for smooth transition of the current to the steady state. Additionally, the torque feedforward method is proposed to achieve the fast transient response of speed. The proposed control strategy is verified by experimental results and analyzed by the new transient performance indicator.

목차

Abstract
I. INTRODUCTION
II. ANALYSIS OF THE SPEED RESPONSE FREQUENCY
III. CONTROL STRATEGY FOR THE FAST TRANSIENT RESPONSE
IV. EXPERIMENTAL VERIFICATION
V. CONCLUSIONS
REFERENCES

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