基于二次型最优控制的起重机开环消摆方法的研究，这是很有创意的。-based on quadratic optimal control of the crane placed source open-loop method of research, this is very creative.

全桥变换器psim仿真，得到一个稳定的电压输出波形，开环控制-Full bridge converter PSIM simulation, get a stable output voltage waveform, open loop control