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首页> 外文期刊>IEEE Transactions on Energy Conversion >Speed Control of a Three-Phase Induction Motor Based on Robust Optimal Preview Control Theory
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Speed Control of a Three-Phase Induction Motor Based on Robust Optimal Preview Control Theory

机译：基于鲁棒最优预见控制理论的三相感应电动机速度控制

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摘要

A synthesized method for speed control of a three-phase induction motor (IM) based on optimal preview control system theory is implemented in this article. An IM model comprises three-input variables and three-output variables that coincide with the synchronous reference frame that is implemented using the vector method. The input variables of this model are the stator angular frequency and the two components of the stator space voltage vector, whereas the output variables are the rotor angular speed and the two components of the stator space flux linkage. The objective of the synthesized control system is to achieve motor speed control, field orientation control, and constant flux control. A novel error system is derived and introduced into the control law to increase the robustness of the system. The preview feed-forward controller, which includes the desired and disturbance signals, is used to improve the transient response of the system. A space vector pulse-width modulation (PWM) control technique for voltage source-fed IM is prepared for microprocessor-based control. Spectral analysis of the output voltage is evaluated to predict the effect of the proposed space vector modulation technique on the dynamic performance of the IM. The optimal preview controlled system is implemented, and its applicability and robustness are demonstrated by computer simulation and experimental results.
机译：本文基于最优预见控制系统理论，实现了一种三相感应电动机（IM）速度控制的综合方法。 IM模型包括三个输入变量和三个输出变量，它们与使用矢量方法实现的同步参考系一致。该模型的输入变量是定子角频率和定子空间电压矢量的两个分量，而输出变量是转子角速度和定子空间磁链的两个分量。综合控制系统的目标是实现电动机速度控制，磁场定向控制和恒定磁通控制。推导了一种新颖的误差系统并将其引入控制律，以提高系统的鲁棒性。包含所需信号和干扰信号的预览前馈控制器用于改善系统的瞬态响应。已准备好用于基于电压源的IM的空间矢量脉宽调制（PWM）控制技术，以用于基于微处理器的控制。评估输出电压的频谱分析，以预测提议的空间矢量调制技术对IM动态性能的影响。实现了最佳的预览控制系统，并通过计算机仿真和实验结果证明了其适用性和鲁棒性。

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