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논문 기본 정보

자료유형
학술저널
저자정보
Chao-Jun Xin (Equipment Academy) Yuan-Wen Cai (Equipment Academy) Yuan Ren (Equipment Academy) Ya-Hong Fan (Institute of Control Engineering)
저널정보
대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.11 No.5
발행연도
2016.9
수록면
1,475 - 1,485 (11page)

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For the newly developing magnetically suspended sensitive gyroscope (MSSG) with double spherical envelope surfaces, it is necessary to analyze the causes of drift error to improve sensing accuracy. This paper builds the models of disturbing torques generated by stator assembly and process errors based on the geometric construction and running regularity of the MSSG, and further reveals the generation mechanism of the drift error. Then the drift error from a single stator magnetic pole is calculated quantitatively with the established model, and the key factors producing the drift error are further discussed. It is proposed that the main approaches in reducing the drift error from stator are guaranteeing the rotor envelope surface to be an ideal spherical and improving the controlling precision of rotor displacement. The common problems associated in a gyroscope with a spherical rotor can be effectively resolved by the proposed method. This analysis provides a reference for the structure optimization and error compensation of a MSSG.

목차

Abstract
1. Introduction
2. Description of the MSSG and Its Disturbing Torques
3. Torques from Assembly Errors of Stator
4. Torques From Process Errors of Stator
5. Results and Analysis
6. Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2017-560-000982069