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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.3
- 수록면
- 358 - 367 (10page)
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초록· 키워드
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This paper presents a novel filtering method for speed measurements to improve the low-speed performance of the direct-drive permanent magnet traction machines for elevators. Based on the theory of nonlinear tracking differentiator (NTD), this method, which can act as a high performance filter of a raw speed signal, obtains a more accurate speed feedback signal when applying a low-resolution encoder. In addition, it can relieve the interference caused by the position derivative for speed sampling. By analyzing the frequency response of the NTD, the influence of its parameters on the performance of the speed filtering is investigated. Compared with different types of low-pass filters, the proposed method shows a shorter time delay and a stronger ability in terms of noise suppression when the parameters are selected carefully. In addition, when using the measured speed signal through a nonlinear tracking differentiator as the feedback of the system, the motor runs more steadily at low speeds. As a result, the riding comfort of a direct-drive elevator can be improved. The feasibility of the proposed strategy was verified on an 11.7kW elevator traction machine using a commercial inverter.
목차
Abstract
I. INTRODUCTION
II. PROPOSED FILTERING STRATEGY BASED ON A NONLINEAR TRACKING DIFFERENTIATOR
III. SIMULATION AND EXPERIMENTAL RESULTS
IV. CONCLUSION
REFERENCES
참고문헌 (15)
참고문헌 신청
[학술지(정기간행물)] - Anbang Wang / 2015 / A Novel Double-Loop Vector Control Strategy for PMSMs Based on Kinetic Energy Feedback / Journal of Power Electronics 15 (5) : 1256 ~ 1263
[학술지(정기간행물)] - 정진우 / 2015 / A Nonlinear Sliding Mode Controller for IPMSM Drives with an Adaptive Gain Tuning Rule / Journal of Power Electronics 15 (3) : 753 ~ 762
[학술대회논문] - F. Liu / 2014 / A rapid and high-accuracy control scheme of starting torque for elevators without a weight transducer / IEEE 23rd International Symposium on Industrial Electronics : 733 ~ 738
[학술대회논문] - H. Yetis / 2013 / Comparative design of direct drive PM synchronous motors in gearless elevator systems / 3rd International Conference on Electric Power and Energy Conversion Systems : 1 ~ 5
[학술지(정기간행물)] - G. L. Wang / 2012 / Robust low-cost control scheme of direct-drive gearless traction machine for elevators without weight transducer / IEEE Trans. Ind. Appl. 48 (3) : 996 ~ 1005
[학술지(정기간행물)] - 정진우 / 2015 / A Nonlinear Sliding Mode Controller for IPMSM Drives with an Adaptive Gain Tuning Rule / Journal of Power Electronics 15 (3) : 753 ~ 762
[학술대회논문] - F. Liu / 2014 / A rapid and high-accuracy control scheme of starting torque for elevators without a weight transducer / IEEE 23rd International Symposium on Industrial Electronics : 733 ~ 738
[학술대회논문] - H. Yetis / 2013 / Comparative design of direct drive PM synchronous motors in gearless elevator systems / 3rd International Conference on Electric Power and Energy Conversion Systems : 1 ~ 5
[학술지(정기간행물)] - G. L. Wang / 2012 / Robust low-cost control scheme of direct-drive gearless traction machine for elevators without weight transducer / IEEE Trans. Ind. Appl. 48 (3) : 996 ~ 1005
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UCI(KEPA) : I410-ECN-0101-2017-560-002321208