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Method for triggering automatic braking in a motor vehicle, related control device and motor vehicle

A technology for controlling equipment and automatic braking, which is applied in the direction of braking control system, control drive, automatic starting device, etc., and can solve problems such as collision braking failure

Active Publication Date: 2018-10-09
VOLKSWAGEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Even so, when the brake controller is disabled due to damage in the first collision, it can also cause multiple collision brake failure

Method used

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  • Method for triggering automatic braking in a motor vehicle, related control device and motor vehicle
  • Method for triggering automatic braking in a motor vehicle, related control device and motor vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0029] figure 1 A motor vehicle 1 is shown, which can be, for example, a motor vehicle, in particular a passenger car, a truck or a passenger bus. Motor vehicle 1 may have a hydraulic braking system 2, wherein figure 1 Wheel brakes 3 and hydraulic brake pressure lines 4 are shown. The brake pressure in the brake pressure pipe 4 can be adjusted through the electronic stability program 5, wherein figure 1 Shown is the brake controller ESC. Brake controller ESC can be connected to communication device 6 of motor vehicle 1 . The communication device 6 can be a data bus, for example a CAN bus. Furthermore, the communication device 6 can be connected to the airbag device 7 and the pedal position sensor 8 . Pedal position sensor 8 can be configured to detect a corresponding pedal position (not shown) of a pedal of a pedal system of motor vehicle 1 , in particular a brake pedal and / or an accelerator pedal.

[0030] Furthermore, the communication device 6 is connected to a contro...

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PUM

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Abstract

The invention relates to a method for triggering automatic braking in a motor vehicle (1), wherein in the motor vehicle (1) after a first collision in the event of an accident, a crash sensor unit (7) passes through the motor vehicle ( The communication device (6) of 1) sends a request signal (13) for automatic braking to the brake controller (ESC). The required multi-collision braking is thus carried out even if the brake controller (ESC) is damaged due to the first collision. To this end, in the method, the request signal (13) is received (S1) by a control unit (9) of the motor vehicle (1), which is situated at a distance from the brake controller (ESC). The control unit (9) checks (S2) whether the brake controller (ESC) reacts to the request signal (13). If it is detected that the brake controller (ESC) has not reacted, automatic braking is carried out by the control unit (9) (S4, S5).

Description

technical field [0001] The invention relates to a method for triggering automatic braking in a motor vehicle in the event of an accident. After the first collision, automatic braking is requested by the crash sensor unit with the aid of a request signal. Originally, the brake controller should react to the demand signal by implementing automatic braking. If the brake controller is damaged in the first collision or becomes detached from the communication bus, the brake controller will no longer be able to perform automatic braking. The invention also relates to a control device for carrying out the method according to the invention. Finally, the invention also relates to a motor vehicle having a control device according to the invention. Background technique [0002] If the motor vehicle continues on without being braked after the first collision, a further collision with another obstacle or a road participant may result. On the contrary, such a re-collision can be partic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60T7/22B60W30/08B60R21/013G08G1/16
CPCB60R21/013B60T7/12B60W30/08G08G1/16B60T7/042B60T7/22B60T2201/024B60T2270/604B60L3/0007B60L3/0084B60L3/0092B60L3/02B60L15/2009Y02T90/16Y02T10/72B60T8/17558B60R2021/01259Y02T10/64B60T8/171
Inventor M.劳C.阿尔斯塔特
Owner VOLKSWAGEN AG