Vehicle emergency auxiliary braking system and method

Abstract

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.

Description

technical field [0001] The invention belongs to the technical field of automatic control, and in particular relates to a vehicle emergency auxiliary braking system and method. Background technique [0002] Brake Assist is designed for the 90% of car drivers who lack decisive judgment when applying the brakes in an emergency. Under normal circumstances, most drivers only apply a small amount of force when they start braking, and then increase or decrease the braking force applied to the brake pedal according to the situation; If the braking force response is not fast enough, the assistance of the auxiliary braking system is required. The auxiliary braking system can detect the situation encountered by the vehicle from the speed or acceleration of the driver's stepping on the brake pedal - when the driver steps on the brake pedal quickly in an emergency, but the stepping force is insufficient, this system will It will assist and increase the braking force to the maximum in a...

AI Technical Summary

Problems solved by technology

[0003] Aiming at the deficiencies in the prior art, the present invention provides a vehicle emergency auxiliary braking system and method, which can provide a braking auxiliary function during the braking process, so as to solve the problems caused by the driver's unresponsiveness or insufficient pedal force in emergency situations. instead of the problem of not being able to stop within the shortest distance

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