用MATLAB的simulink和simpowersystem，搭建一个BOOST电路。输入电压15~25V，输出电压40V，输出电流0.5A。-Using the MATLAB simulink and simpowersystem, build a BOOST circuit. Input Voltage 15 ~ 25V, output voltage 40V, output current 0.5A.

MATLAB Simulink 仿真模型DC buck boost电路/降压电路 闭环三相(MATLAB Simulink simulation model DC buck boost circuit / step-down circuit closed loop three-phase)