Vehicle emergency auxiliary braking system and method

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Vehicle emergency auxiliary braking system and method

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GU JI NAN / CHEN GONG / CHEN YANKUN / SHEN YUCHUN / ZHANG YONGMING / LIANG SEN

The invention provides a vehicle emergency auxiliary braking system comprising a motor, a transmission shaft, a clutch, a driven shaft, a gear, a toothed bar, a brake pedal, a vacuum booster and a singlechip; the motor, a coupling, the transmission shaft, the clutch and the driven shaft are connected in sequence; one end, far away from the clutch, of the driven shaft is connected with the gear; the lower portion of the gear is provided with the toothed bar matched with the gear; one end of the toothed bar is connected with the brake pedal, and the other end is in a sleeve; a push rod of the power booster is arranged on the other side in the sleeve; the power booster is provided with a microswitch; a wafer of the microswitch penetrates the hole on the sleeve and is positioned between the push rod of the power booster and the toothed bar; the power booster is also provided with an electromagnet; one side, close to the power booster, of the toothed bar is provided with an iron piece corresponding to the electromagnet; the microswitch is connected with the brake pedal; the singlechip is connected with the microswitch, the motor and the electromagnet; by using the system, a driver can stop the vehicle in the shortest distance even under slow reaction or poor pedal effort.