中文说明：
应用MPC算法对DC-DC变换器模型进行控制，加入了干扰观测器环节，效果更佳优异 包含两个文件，ddc.mdl为系统仿真图，mpccontroller.m为控制算法。
English Description：
The MPC algorithm is used to control the DC-DC converter model, and the disturbance observer is added to the control, which has better effect