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Research on the Reconstruction of Vehicle-vehicle Collision Accident and its Error Analysis Based on PC-Crash

Author: GuoJing
Tutor: JiangGongLiang
School: Chongqing Jiaotong University
Course: Vehicle Operation Engineering
Keywords: PC-Crash vehicle-vehicle collision accident reconstructions erroranalysis weight parameters
CLC: U491.3
Type: Master's thesis
Year: 2012
Downloads: 47
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Abstract


With the development of automobile industry and road traffic transportation,withthe rapid increase of vehicle quantities traffic accident occur frequently, which is notonly to bring the huge losse to people’s life and property, therefore more need for thetraffic accident for fast and accurate processing.Using computer simulation technologyto traffic accidents reconstructions analysis, we can analysis and discriminant the causeof the accident rapidly and accurately.The paper is about the accident reconstruction of vehicle-vehicle collision.According to the vehicle-vehicle collision accident reappearance related theory, analysisthe car collision process and basic types; Study the method of constructing model,which is based on the PC-Crash. According to the PC-Crash functions andcharacteristics,constructing the vehicle-vehicle collision accident reproductionmodel.Using PC-Crash software, establish of vehicles model, to reappearance the actualvehicle-vehicle collision cases and analysis the errors of the results of the reappearance:First, using experience analysis to delete those parameters that won’t be obviousproduce larger error to the accident in normal times; and then selection different sizes ofvalue to the rest of the parameters with control variable method, watch the influenceof the parameters on the results of the simulation,from the indexes of the displacementof vehicle and vehicle’s heading angle, and screen to the parameters of the little impactto the simulation results; finally as the total displacement of the vehicles for indexdesign orthogonal test, judge the significant influence of the parameters on thesimulation results, and arrange the parameters according to the size and weight. It canprovide a basis of adjustment parameters for vehicle-vehicle collision reconstruction.With two typical cases of vehicle-vehicle collision, using PC-Crash software toconduct the model of the accident in the two vehicle-vehicle collision accident whichhave the certain representation, making the conclusion and verification in the process.

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CLC: > Transportation > Road transport > Technical management of traffic engineering and road transport > Traffic engineering and traffic management > Traffic Accidents
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