Decoupled stator-flux-oriented induction motor drive with fuzzy neural network uncertainty observer

被引:49
|
作者
Lin, FJ [1 ]
Wai, RJ [1 ]
Lin, CH [1 ]
Liu, DC [1 ]
机构
[1] Chung Yuan Christian Univ, Dept Elect Engn, Chungli 320, Taiwan
关键词
fuzzy neural network uncertainty observer; integral-proportional speed controller; rotor time-constant estimation; stator-flux-oriented control;
D O I
10.1109/41.836351
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
A stator-flux-oriented induction motor drive using online rotor time-constant estimation with a robust speed controller is introduced in this paper. The estimation of the rotor time constant is made on the basis of the model reference adaptive system using an energy function. The estimated rotor time -constant is used in the current-decoupled controller, which is designed to decouple the torque and nus in the stator-flux-field-oriented control, Moreover, a robust speed controller which is comprised of an integral-proportional speed controller and a fuzzy neural network uncertainty. observer, is designed to increase the robustness of the speed control loop. The effectiveness of the proposed control scheme is demonstrated by simulation and experimental results.
引用
收藏
页码:356 / 367
页数:12
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