Automobile collision accident reappear method based on car body key point three-dimension distorsion
A collision accident, three-dimensional deformation technology, applied in special data processing applications, measuring devices, instruments, etc., to achieve the effect of objectivity
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[0028] According to the characteristics of the collision accident (frontal collision, side collision, etc.) and the difference of collision objects (vehicle-vehicle, vehicle-person, vehicle-fixed object, etc.), the present invention selects the key point of vehicle body deformation measurement, and provides the accident evaluation index: x 1 , x 2 ,...,x n . These evaluation indicators reflect the deformation of key points in the main energy-absorbing components during the collision process. Taking frontal collision and oblique collision as examples, the bolt holes and positioning holes on the front longitudinal beam and fender at the front of the vehicle body are selected as key points for measurement.
[0029] According to the investigation and measurement of the accident scene, the three-coordinate measurement values of these key points can be obtained: x 1e , x 2e ,...,x ne .
[0030] The numerical simulation value of the corresponding point can be obtained through...
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