首先介绍人工神经网络的基本概念和ANN 的特性，以及神经网络的学习方法。然后讲授典型的前向神经网络、反馈神经网络的原理、结构、基本算法，给出了BP 网络的算法改进。最后介绍了神经网络PID 控制。-First introduces the basic concepts of artificial neural networks and the characteristics of ANN, and the neural network learning. And then teach the typical feedforward neural networks, recurrent neural network theory, structure, basic algorithm, given improved BP network algorithm. Finally, the neural network PID control.