Electronic driving system and method for snub action

Abstract

The invention relates to an inching brake action electronic driving system, which comprises an automatic brake machine, a brake main cylinder, a liquid storage tank, a vacuum servo air chamber, a control valve, a brake pedal mechanism, a vacuum one-way valve, an electronic driving mechanism, a brake signal lamp hydraulic switch, a left front wheel cylinder, a vacuum energy supply pipeline, a load sensing proportional valve and a left rear wheel cylinder, and the state judgment mechanism is used for sending out a first identification instruction to trigger the snub action of the automatic brake machine when detecting that the field depth values of the two detection areas are close and the number of pixel points occupied by the overlapped part is greater than or equal to a preset number threshold value exists in the driving induction image. The invention further relates to a snub action electronic driving method. By means of the method and device, when two automobile objects which are located in the same distance range and have too large contact overlapping area exist in the driving environment in front of the automobile, it can be judged that the automobile is in the rear-end collision risk, the snub action is automatically triggered, and therefore the probability of rear-end collision accidents is reduced.

Description

technical field [0001] The present invention relates to the field of spot brake control, and more particularly, to an electronic drive system and method for spot brake action. Background technique [0002] The point brake function is to automatically control the braking force of the brake when the car is braking, so that the wheel is not locked and is in a state of rolling and sliding (slip rate is about 20%), so as to ensure the adhesion between the wheel and the ground. maximum value. [0003] It is mostly used in large cars without ABS and with steam brakes, because the big cars are heavy and clumsy, but the response of steam brakes is faster than that of oil brakes. The "spot brake" technology is to step on the brake a little bit first, when the car feels that the car is slowing down obviously, release the brake, and when it feels that the car is fast and there is no brake to restrain it, step on the brake again, and repeat the cycle like this, which is the so-called po...

AI Technical Summary

Problems solved by technology

[0004] At present, there are automobile braking systems with purely manual braking, automobile braking systems with purely automatic braking, and automobile braking systems with integrated manual and automatic braking on the market. However, even for automobile braking systems with integrated manual and automatic braking, the brake trigger mechanism It is also a simple switch between manual braking and automatic braking, and does not perform subtle actions to meet the needs according to specific application scenarios, such as point braking