Gasoline Engine Electronic Governor

Benzine engine, when applied as the power plant for agricultural machinery, generator and so forth, is equipped with speed governor to insure a steady re~ as there is a change of load. As for existing mechanic speed governors, the problems are its poor accuracy, and large time consumption to achieve stable state. It is needed to design a digital electronic minitype speed governor for Benzine engine, of low price and good performance to meet the ever-amounting requirement by production of the economy, reliability and automatization of power plant.The proper control parameters are obtained through the experimental research of the PID digital control parameters with the orthogonality method and through the analysis of the speed change of benzine engine rev. The electronic speed governor designed hereby performs its controlling function through programming, the stable rev and static timing rate of which are also set and controlled by software, has, therefore large universality and function flexibility So for different types of benzine engines, the obtainment of relevant parameters and the designing of relevant programs suffice to realize the control functions of the electronic speed governor.The outcome shows that such digital electronic speed governor is in possession of stable timing rate of 2.3% and instantaneous timing rate of 6.200. And it is worth a wide popularization for its simple structure and low cost.