Sensorless speed measurement of a AC machines using analytic wavelet transform

被引：49

作者：

Aller, JM ^{[1
]}

Habetler, TG

Harley, RG

Tallam, RM

Lee, SB

机构：

[1] Univ Simon Bolivar, Dept Convers & Transporte Energia, Caracas 1080A, Venezuela

[2] Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2002年 / 38卷 / 05期

关键词：

AC machines; analytic wavelet transform; direct torque control; sensorless speed estimation; short-time Fourier transform;

D O I：

10.1109/TIA.2002.802988

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A new method for sensorless speed estimation of ac machines, using the analytic wavelet transform of the stator current signal, is proposed for a direct torque control drive. A comparison with results obtained using the short-time Fourier transform is included. The proposed method can be implemented in real time on a digital signal processor. The time-frequency resolution obtained and the computation time required by the proposed algorithm are improved in comparison to existing techniques, and the method can be applied over the entire speed range.

引用

页码：1344 / 1350

页数：7

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