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논문 기본 정보

자료유형
학술저널
저자정보
Xin Luo (Huazhong University of Science and Technology) Anwen Shen (Huazhong University of Science and Technology) Renchao Mao (Huazhong University of Science and Technology)
저널정보
전력전자학회 JOURNAL OF POWER ELECTRONICS JOURNAL OF POWER ELECTRONICS Vol.15 No.5
발행연도
2015.9
수록면
1,409 - 1,420 (12page)

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초록· 키워드

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In this paper, an algorithm using two bi-quad filters to suppress the wide-band resonance for PMSM servo systems is proposed. This algorithm is based on the double bi-quad filters structure, so it is named, “double bi-quad filter.” The conventional single bi-quad filter method cannot suppress unexpected mechanical terms, which may lead to oscillations on the load side. A double bi-quad filter structure, which can cancel the effects of compliant coupling and suppress wide-band resonance, is realized by inserting a virtual filter after the motor speed output. In practical implementation, the proposed control structure is composed of two bi-quad filters on both the forward and feedback paths of the speed control loop. Both of them collectively complete the wide-band resonance suppression, and the filter on the feedback path can solve the oscillation on the load side. Meanwhile, with this approach, in certain cases, the servo system can be more robust than with the single bi-quad filter method. A step by step design procedure is provided for the proposed algorithm. Finally, its advantages are verified by theoretical analysis and experimental results.

목차

Abstract
I. INTRODUCTION
II. DISADVANTAGES OF THE SINGLE BI-QUAD FILTER
III. DERIVATION OF THE DOUBLE BI-QUAD FILTER TO ACHIEVE A VIRTUAL MECHANICAL CONNECTOR
IV. ANALYSIS OF PARAMETER SENSITIVITY
V. EXPERIMENTAL RESULTS
VI. CONCLUSION
REFERENCES

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