A working method of a hood for a smart car to protect pedestrians
A technology for engine hoods and smart cars, applied in pedestrian/occupant safety arrangements, vehicle components, vehicle safety arrangements, etc., to achieve the effects of reducing the speed of human-ground collisions and protecting people-ground collisions
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[0033] When a smart car equipped with a bonnet of the present invention detects that the collision between car and occupant is inevitable, it protects pedestrians by the following means:
[0034] S1: When it is detected that the accident is inevitable, the airbag layer is detonated and the vehicle is fully braked until time t1. Under the impact of the airbag layer, the outer protective layer of the hood is broken, and the airbag is fully expanded to prepare for the protection of pedestrians. The moment t1 is the moment when the head collides with the car body for the first time; when the collision between the head and the car body is not detected but the human body starts to be thrown out as a whole, this moment is regarded as the moment t1.
[0035] S2: After time t1, the speed of the vehicle is controlled to keep a certain distance between the rear edge of the hood and the human body and move forward together.
[0036] Among them, the distance d between the rear edge of the e...
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