均值便宜跟踪的示例，关于神经网络控制，包含位置式PID算法、积分分离式PID，基于欧几里得距离的聚类分析，实现串口的数据采集。- Example tracking mean cheap, On neural network control, It contains positional PID algorithm, integral separate PID, Clustering analysis based on Euclidean distance, Achieve serial data acquisition.