| Research on the automobile electric accelerograph control system is mainly discussed in this paper. It combined with computer, MCU, mechanism electric and etc. According to the automobile speed, adhesion coefficient of road, distance between two cars, parking distance, the automobile will automatic reduce the valve's area of entering gas when distance between two cars less than parking distance. The distance will be kept between two cars, ensure the security of running cars, especially in fog, rain or snow day.According to the development of automobiles industry and the function of the electric accelerograph control system in modern society, induced the idea of electric accelerograph control system. In term of the automobile speed, adhesion coefficient of road, distance between two cars, parking distance, it has educed the control function of the automobile electric accelerograph control system.After expatiating the electric accelerograph's basic framework and principle of work, designed the transmission frame of the electric accelerograph. According to the parameters of control function, researched how to collect and transmit signals. Put forward the blue print of control system. Controlled it with MC68HC912D60A and designed the hardware and software of the electric accelerograph control system control unit. Finally, simulated the mechanic model of brake system by using of ADAMS/CAR and checked up the correctness of the control function.
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