z源逆变器简单升压控制的另一种改进的算法及仿真例程，只需改变占空比即可实现直流侧电压的改变，相对于传统的算法简单，更容易理解。-Z source inverter simple boost control of another kind of improved algorithm and simulation routines, only need to change the duty cycle of dc side voltage change can be realized, compar