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A collision protection device control system and control method

A technology of collision protection and protection device, applied in the directions of transportation and packaging, pedestrian/occupant safety arrangement, vehicle components, etc., can solve the problems of inability to effectively distinguish collision scenarios, deficiencies, single signal sources, etc.

Active Publication Date: 2021-07-06
DONGFENG MOTOR CORP HUBEI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The problem with this control method is a single signal source, which is prone to false alarms or poor protection due to insufficient control algorithms, especially when the vehicle structure design causes acceleration during a collision and cannot effectively distinguish the collision scene

Method used

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  • A collision protection device control system and control method
  • A collision protection device control system and control method
  • A collision protection device control system and control method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039]The collision protection device equipped on a certain model includes driver airbag DAB 5, driver's side airbag D-SAB 6, driver's seat belt D-LB 7 (preload limit force), left curtain airbag L-CAB 8, front passenger airbag PAB 10, passenger side airbag P-SAB 11, passenger seat belt P-LB 12 and right air curtain R-CAB 13; equipped sensor system includes first sensor 1 (in-vehicle camera), second sensor 2 (laser radar), the third sensor 3 (acceleration sensor) and the fourth sensor 9 (pressure sensor). schematic diagram see Figure 4 .

[0040] Taking the frontal collision scene as an example, the determination strategy of the collision protection device that needs to be detonated in the collision is as follows:

[0041] First, according to the first sensor 1 (in-vehicle camera), the control unit (ECU / GPU) 4 can determine the occupant information as follows, the driver (adult), the adult in the right rear row, and the child in the left rear row, according to the collision ...

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Abstract

The invention discloses a control system and a control method of a collision protection device. It includes a first sensor for sensing the distribution and status of people in the vehicle, a second sensor for identifying collision objects, collision scenarios, and collision intensity outside the vehicle, a third sensor for obtaining collision acceleration signals, and a sensor for detecting The fourth sensor at the time of the collision is used to process the information of the first sensor, the second sensor, the third sensor and the fourth sensor, form a control strategy through fusion algorithm, and output the ignition signal to the control unit of the protection device. The present invention realizes accurate protection by accurately identifying collision scenes and objects to be protected, improves protection efficiency, and reduces use cost (maintenance cost), and is a control system and control method integrating active and passive safety.

Description

technical field [0001] The invention belongs to the field of automobile collision protection, and in particular relates to a control system and a control method of a collision protection device. Background technique [0002] Collision protection device refers to the device that avoids or reduces the injury of people inside and outside the car when the vehicle collides, including the protection of people inside and outside the car. At present, the existing collision protection devices mainly include driver airbag DAB, passenger airbag PAB, knee airbag KAB, driver side airbag D-SAB, passenger side airbag P-SAB, left curtain airbag L-CAB, right curtain airbag R-CAB, active hood AEC, outside airbag OAB, etc. [0003] At present, automobile collision protection devices are generally based on acceleration sensors to determine whether a collision has occurred and the intensity of the collision. By analyzing the collected acceleration signals, it is determined whether to detonate t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60R21/0132B60R21/0136
CPCB60R21/0132B60R21/0136B60R2021/01211B60R2021/01265
Inventor 李华香吴祥清王恒叶晓明黄耀东
Owner DONGFENG MOTOR CORP HUBEI