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A Method for Pedestrian Accident Reconstruction Using Optimization  

유장석 (한양대학교 교통공학과)
홍을표 (한양대학교 기계설계학과)
장명순 (한양대학교 교통시스템공학과)
박경진 (한양대학교 기계정보산업공학부)
손봉수 (한양대학교 첨단도로연구센터)
Publication Information
Journal of Korean Society of Transportation / v.20, no.3, 2002 , pp. 105-113 More about this Journal
Abstract
As the number of pedestrian accident increases, the reconstruction of an accident becomes important to find the source of the fault. Generally, accidents are reconstructed by the intuition of experts or primitive physics. A reconstruction method is proposed using sophisticated optimization technology. At first, a dynamic simulation model is established for the accident environment. Occupant analysis for automobile crashworthiness is employed. The situation before an accident is identified by optimization. The impact velocity and the position of the pedestrian are utilized as design variables. The design variables are found by minimizing the difference between the simulation and the real accident. The optimization process is performed by linking an occupant analysis program MADYMO to an optimization program VisualDOC. Since the involved analysis is dynamics and highly nonlinear, response surface method is selected for the optimization process. Problems are solved for various situations.
Keywords
Pedestrian; Reconstruction; Velocity; Optimization; VisualDOC;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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