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Method and device for controlling seat belt device connected to seat belt, of vehicle with predictive collision identification unit

A technology for identifying units and seat belts, applied in vehicle safety arrangements, in-vehicle seat belts, pedestrian/occupant safety arrangements, etc., and can solve problems such as the determination of unexplained potential dangers

Inactive Publication Date: 2015-07-15
AUDI AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The determination of potential hazards in the phase preceding the accident is not explained in the document DE 103 45 726 A1

Method used

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  • Method and device for controlling seat belt device connected to seat belt, of vehicle with predictive collision identification unit

Examples

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Embodiment Construction

[0028] should be figure 1 The device for controlling a seatbelt-connected seatbelt device 1 of a vehicle 10 , shown schematically in , comprises a crash detection unit 2 having an object detection unit 2 a to which sensor signals of a sensor unit 3 are input identification unit.

[0029] Furthermore, a vehicle occupant detection unit 4 is provided, which together with a forward displacement sensor 5 determines the forward displacement distance of the vehicle occupant. The forward displacement distance is the distance between a passenger and the steering wheel, glove box, or dashboard of the vehicle 10 .

[0030] Evaluation unit 6 evaluates the signals supplied by crash detection unit 2 and forward displacement sensor 5 and feeds the analysis results to belt extension control unit 7 , which itself actuates seat belt arrangement 1 . The seat belt device 1 includes a seat belt tensioner for reducing seat belt slack in the event of detection of an imminent collision and a seat b...

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Abstract

The invention relates to a method for controlling a seat belt device (1), which is connected to a seat belt, of a vehicle (10) with a collision identification unit (2) which has sensor units (3) for detecting an imminent collision with a collision object external to the vehicle, according to the invention, the collision object is classified in respect of an object class and a weight class by means of an object identification unit (2a), a value for an accident severity of the imminent collision is determined at least from the object class of the collision object, the weight class thereof and the speed thereof, on the one hand, and from the speed and the vehicle mass of the vehicle (10), on the other hand, the maximum forward shifting travel of a vehicle occupant is determined by means of a forward shifting sensor (5), and the seat belt device (1) is activated depending on the value of the accident severity and of the maximum forward shifting travel ascertained. The invention furthermore relates to a device for carrying out the method according to the invention.

Description

technical field [0001] The invention relates to a method for controlling a seatbelt-connected seatbelt device of a vehicle having a collision detection unit with a sensor unit for detecting an imminent collision with an external collision object of the vehicle. The invention also relates to a device for carrying out the method according to the invention. Background technique [0002] US Pat. No. 6,085,151 B describes such a method with which collision objects expected to collide with the vehicle can be detected by means of a predictive collision detection unit of the vehicle before the actual collision. Estimating the time until impact with a collision object, identifying the type of accident and estimating the severity (severity) of the accident in order, for example, to control seat belt pretensioners and thus increase the safety of the vehicle occupants. In contrast, the determination of the severity of the accident is not described. [0003] Furthermore, an occupant re...

Claims

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Application Information

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IPC IPC(8): B60R21/0132B60W30/08B60R21/015
CPCB60R2021/01279B60R21/0132B60R2021/01272B60R21/01542B60R21/0134B60R22/00B60R21/015
Inventor F·菲尔斯特
Owner AUDI AG
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