Abstract
A collision model, an automobile model and a multi-rigid-body model in PC-crash are analyzed. By simulating a side collision accident between a car and an electric bicycle (EB), a method that reproduces the car-electric bicycle side collision accident based on PC-crash is presented according to some important information such as the final position, the contacting location between the cyclist and the car. A result is obtained by comparing with the reproduced result, the deformation of accident vehicle and the surveillance video. The rollover direction and fells-over sliding direction after the collision and the contacting location and wrap motion of cyclist and electric bicycle are fitting in with the real situation better compared with the reconstruction result in PC-crash. Then the responsive-surface method and MONTEKARLO method are used in MATLAB to analyze the uncertainty of the vehicle speed in reproduced scene results. And the range of values of the pre-collision speed is obtained which makes the reproduced result more objective and convincible that could provide the basis of the accident assessment.
Highlights
With the rapid increase of cars and electric bicycle (EB) in domestic land, the side-collision accidents happen more and more between the cars and EBs that the rate in all the city traffic accident is higher than before [1]
How to cite this paper: Wang, S.C., Qian, Y.B. and Qu, X.G. (2014) Reconstruction of Car-Electric Bicycle Side Collision Based on PC-Crash
Referring to the reproduced method of car-human collision [4]-[7], the information like the speed of during and before the collision is obtained by reproducing the accident scene, which based on the PC-crash provides the basis for such class of accidents
Summary
With the rapid increase of cars and EBs in domestic land, the side-collision accidents happen more and more between the cars and EBs that the rate in all the city traffic accident is higher than before [1]. The multi-rigid body model is introduced into the PC-crash to recreate the process of the personnel outside the car and its validation is verified [3]. Referring to the reproduced method of car-human collision [4]-[7], the information like the speed of during and before the collision is obtained by reproducing the accident scene, which based on the PC-crash provides the basis for such class of accidents. A single rigid model is used in vehicle in PC-crash (Figure 1). Each rigid body has some characterized parameters like the geometric dimensioning, mass, collision rigid and friction coefficient which all can be set according to the actual measure data in the software. Coupling the multi-rigid dummy model with EB model into a Multi-body system in order to participate the reproduced accident scene (Figure 4)
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