Improved Sensorless Vector Control of Induction Motor Using Sliding Mode Observer

被引：29
作者：
Pereira, W. C. A. [1 ]
Oliveira, C. M. R. [1 ]
Santana, M. P. [1 ]
de Almeida, T. E. P. [1 ]
de Castro, A. G. [1 ]
Paula, G. T. [1 ]
Aguiar, M. L. [1 ]
机构：
[1] Univ Sao Paulo, Escola Engn Sao Carlos, Dept Engn Eletr, BR-05508 Sao Paulo, Brazil
来源：
IEEE LATIN AMERICA TRANSACTIONS | 2016年 / 14卷 / 07期
关键词：
Direct field oriented control; sensorless speed control; sliding mode; low speed; FULL-ORDER OBSERVER; DIRECT TORQUE CONTROL; SPEED ESTIMATION; RESISTANCE ADAPTATION; FLUX ESTIMATOR; DRIVES; DESIGN; STATE;
D O I：
10.1109/TLA.2016.7587609
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This work deals with a sensorless speed control for three-phase induction motor in order to improve its operation at low speed. Initially, a direct field oriented control employing space vector pulse with modulation based on sliding mode observer (SMO) is studied and evaluated due to its high accuracy in estimating the flux at low speed. The proposed current model based on SMO provides good speed estimation under low speed and parameter or load changes. Simulations and experimental tests with different operational conditions at low speed are carried out in order to test the sensorless control. The results show a good performance and agreed with the results shown in recent papers.
引用
收藏
页码：3110 / 3116
页数：7
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