神经网络逆系统在电机变频调速系统中的应用

The Application of Artificial Neural Network Inverse System in Speed Control of AC Variable Frequency Induction Motor System

神经网络逆系统是近年来发展起来的非线性控制新理论 ,它具有物理概念明晰、适用面宽、使用简便的特点。论文给出了感应电动机变频调速系统的数学模型 ,并通过可逆分析 ,证明该系统可逆 ,可以用神经网络逆系统对其进行控制。仿真和试验结果表明 ,对感应电动机变频调速这一非线性、快速多变、难于建模的复杂系统 ,神经网络逆控制器的控制是实用和有效的。

With clear physical concept and easy realigation in engineering system,the new ANN(Artificial Neural Network)inverse system control method is being used more widely in many areas.An AC variable frequency speed control system is analyzed and experimented by this method.The mathematic model and invertibility are given in this paper.The results of analyze and experiment show that the proposed method can be applied effectively and practically in the AC variable frequency speed control system which is nonlinear,fast changeful and difficult to be modeled.