Bifurcations and chaos in indirect field-oriented control of induction motors

被引：6
|
作者：
Bo Zhang
Yimin Lu
Zongyuan Mao
机构：
[1] South China University of Technology,College of Electric Power
[2] Guangxi University,College of Electrical Engineering
[3] South China University of Technology,College of Automation Science and Engineering
来源：
Journal of Control Theory and Applications | 2004年 / 2卷 / 4期
关键词：
Induction motor; Indirect field-oriented control; Hopf bifurcation; Chaos;
D O I：
10.1007/s11768-004-0039-1
中图分类号：
学科分类号：
摘要：
Stability of indirect field-oriented control (IFOC) of induction motor drives is greatly influenced by estimated value of rotor time constant. By choosing estimation error of rotor time constant as bifurcation parameter, the conditions of generating Hopf bifurcation in IFOC drives are analyzed. Dynamic responses and Lyapunov exponents show that chaos and limit cycles will arise for some ranges of load torque with certain PI speed controller setting. Stable drives are required for conventional applications, but chaotic rotation can promote efficiency or improve dynamic characteristics of drives. Thus, the study may be a guideline for designing a stable system or an oscillating system.
引用
收藏
页码：353 / 357
页数：4
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