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Eccentricity harmonics detection-based speed estimation approach in a sensorless induction motors
Song XJ(宋向金); Hu JT(胡静涛); Huang H(黄昊); Zhang JL(张吉龙)
作者部门信息服务与智能控制技术研究室
会议名称2015 IEEE International Conference on Cyber Technology in Automation, Control, and Intelligent Systems (CYBER)
会议日期June 8-12, 2015
会议地点Shenyang, China
会议录名称2015 IEEE International Conference on Cyber Technology in Automation, Control, and Intelligent Systems (CYBER)
出版者IEEE
出版地Piscataway, NJ, USA
2015
页码1405-1410
收录类别EI ; CPCI(ISTP)
EI收录号20161402187584
WOS记录号WOS:000380502300255
产权排序1
ISSN号2379-7711
ISBN号978-1-4799-8730-6
关键词Eccentricity Harmonics Rotor Speed Harmonics Tkeo Interpolated Fft Speed Estimation
摘要This paper presents an eccentricity harmonics detection-based speed estimation method in a sensorless efficient induction motors. Because of the influence of spectrum leakage, the motor current signature signals analysis method, which is based the stator current, could not extract eccentricity directly. We first utilize Teager-Kaiser Energy Operator (TKEO) to demodulate the sampled stator currents, and then extract the speed related harmonics with weakening the fundamental frequency component. At the same time, the digital signal-processing techniques are exploited to extract the eccentricity harmonics signals, and the windowed and interpolated FFT are also be used to improve the accuracy of rotor speed estimation. Finally, by comparing the different speed estimation methods, this paper finishes the rotor speed estimation of induction motors. Experimental results show that the proposed speed estimation method can effectively extract the rotor speed harmonics under different load conditions.
语种英语
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文献类型会议论文
条目标识符http://ir.sia.cn/handle/173321/17370
专题信息服务与智能控制技术研究室
作者单位1.Information Service and Intelligent Control Department, Chinese Academy of Science, Shenyang, China
2.Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China
3.University of Chinese Academy of Sciences, Beijing, China
推荐引用方式
GB/T 7714
Song XJ,Hu JT,Huang H,et al. Eccentricity harmonics detection-based speed estimation approach in a sensorless induction motors[C]. Piscataway, NJ, USA:IEEE,2015:1405-1410.
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