Speed-regulating system for induction motor and inverter based on Hammerstein model and neural network control

Q3 Mathematics
C. Mei, Wentao Huang, Kaiting Yin, Guohai Liu
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引用次数: 2

Abstract

A novel control strategy based on Hammerstein model and neural network for the speedregulating system of the induction motor and inverter is proposed in this paper. First, Hammerstein model was used to model the speed-regulation system of the induction motor and inverter. Auto-regressive and moving average (ARMA) model was used to identify the dynamic linear module of Hammerstein model of the speed-regulating system. Second, the ARMA model was used as a reference model for identification of the inverse model of static nonlinear neural network (NN) module of Hammerstein model in the framework of the model reference adaptive control method. For the load disturbance issue, two control strategies, online learning neural network direct inverse control and the traditional PI close-loop control strategy were studied. Simulations show that the inverse control based on Hammerstein model and NN is effective and the online learning neural network direct inverse control strategy for the speed-regulating system with load disturbance has higher performance.
基于Hammerstein模型和神经网络控制的感应电机和逆变器调速系统
提出了一种基于Hammerstein模型和神经网络的异步电动机和逆变器调速系统控制策略。首先,采用Hammerstein模型对异步电机和逆变器的调速系统进行建模。采用自回归移动平均(ARMA)模型对调速系统Hammerstein模型的动态线性模块进行辨识。其次,在模型参考自适应控制方法框架下,利用ARMA模型作为参考模型,对Hammerstein模型的静态非线性神经网络(NN)模块逆模型进行辨识。针对负载扰动问题,研究了在线学习神经网络直接逆控制和传统PI闭环控制两种控制策略。仿真结果表明,基于Hammerstein模型和神经网络的逆控制是有效的,在线学习神经网络直接逆控制策略对负载扰动的调速系统具有较高的控制性能。
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来源期刊
控制与决策
控制与决策 Mathematics-Control and Optimization
CiteScore
2.40
自引率
0.00%
发文量
8840
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