Automobile and emergency braking control method and system thereof
A technology of emergency braking and control method, applied in the direction of brakes, brake transmission devices, vehicle components, etc., can solve the problems of accidents, delays in response, and the inability of cars to stop in time, so as to reduce collision accidents, effectively brake, guarantee The effect of driving safety
Active Publication Date: 2019-12-17
BEIJING ELECTRIC VEHICLE
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- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
When the car is under emergency braking, the driver may have insufficient brake force or delayed response, which may cause the car to fail to stop in time, resulting in an accident
Method used
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Embodiment Construction
[0028] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0029] The automobile and its emergency braking control method and system according to the embodiments of the present invention are described below with reference to the accompanying drawings.
[0030] figure 1 It is a flow chart of an emergency braking control method for an automobile according to an embodiment of the present invention.
[0031] Such as figure 1 As shown, the emergency braking control method of the automobile comprises the following steps:
[0032] S1 , detecting the variation of the vacuum degree of the vacu...
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The invention discloses an automobile and an emergency braking control method and system thereof. The method comprises the steps that vacuum degree variable quantity of a vacuum booster of the automobile and / or opening degree change information of a brake pedal of the automobile is detected; when it is judged that emergency braking of the automobile needs to be implemented currently according to the vacuum degree variable quantity and / or the opening degree change information of the brake pedal, current brake pressure of a brake master cylinder of the vacuum booster is obtained, and a safety belt signal of the automobile is detected; and when the current brake pressure of the brake master cylinder is lower than a preset maximum brake pressure and a safety belt of the automobile is in a fastened state, the brake pressure of the brake master cylinder is made to reach the preset maximum brake pressure by controlling the vacuum booster. According to the method, when the brake pressure is insufficient due to insufficient stamping braking force or response delay of the driver during emergency braking of the automobile, the brake pressure of the automobile is made to reach the preset maximum brake pressure by controlling the vacuum booster, so that the automobile is effectively braked.
Description
technical field [0001] The invention relates to the technical field of automobiles, in particular to an automobile emergency braking control method, an automobile emergency braking control system and an automobile. Background technique [0002] With the continuous development of the automobile industry, automobiles have become an indispensable means of transportation in people's daily life. While promoting social and economic development, they have also brought serious traffic safety problems. Traffic accidents not only cause huge casualties, but also bring huge economic losses to the whole world. [0003] When the car encounters an unexpected situation ahead, emergency braking may occur. When the car is in an emergency braking situation, the driver's foot brake force may be insufficient or the response may be delayed, which may cause the car to fail to stop in time, thereby causing an accident. Contents of the invention [0004] The present invention aims to solve one o...
Claims
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IPC IPC(8): B60T13/72B60T13/52
CPCB60T13/52B60T13/72B60T2201/03B60T2220/04
Inventor 柯南极张玉良饶淼涛闫伟静李媛
Owner BEIJING ELECTRIC VEHICLE