An induction motor speed measurement based on current harmonic analysis with Chirp-Z Transform

被引：0
|
作者：
Aiello, M [1 ]
Cataliotti, A [1 ]
Nuccio, S [1 ]
机构：
[1] Univ Palermo, Dipartimento Ingn Elettr, I-90128 Palermo, Italy
来源：
IMTC/2001: PROCEEDINGS OF THE 18TH IEEE INSTRUMENTATION AND MEASUREMENT TECHNOLOGY CONFERENCE, VOLS 1-3: REDISCOVERING MEASUREMENT IN THE AGE OF INFORMATICS | 2001年
关键词：
speed measurement; rotor slot harmonics; induction machines; Chirp-Z Transform;
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
The paper presents a new method to measure motor speed by means of frequency estimation of rotor slot harmonic present in the supply current of squirrel single cage induction motors. The novelty of the method is the use of Chirp-Z Transform as supply current harmonic analysis. The advantages are an improved spectral resolution and accuracy. Moreover a shorter sampling time window is required reducing errors related to not stationary current signal. Experimental results are presented to validate the proposed method and to perform a comparison with FFT based one.
引用
收藏
页码：578 / 582
页数：3
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