研制了二冲程汽油机低压半直接燃油喷射电控系统。进行了电控系统设计、发动机控制参数的实验标定和发动机台架实验等研究工作。结果表明 ,二冲程电控汽油喷射汽油机比化油器式汽油机具有更好的燃油经济性与怠速排放指标 Developed a two-stroke gasoline engine low-pressure semi-direct fuel injection electronic control system. Electronic control system design, engine control parameters of the experimental calibration and engine bench experiments and other research work. The results show that two-stroke electronically controlled gasoline injection gasoline engine has better fuel economy and idle emission index than carburetor gasoline engine