利用自然梯度算法，本程序的性能已经达到较高水平，IMC-PID是利用内模控制原理来对PID参数进行计算，matlab开发工具箱中的支持向量机，基于SVPWM的三电平逆变的matlab仿真，到达过程是的泊松过程。-Use of natural gradient algorithm, The performance of the program has reached a high level, The IMC- PID is using the internal model control principle for PID parameters is calculated, matlab development toolbox support vector machine, Based on SVPWM three-level inverter matlab simulation, Arrival process is a Poisson process.