交通事故中车辆动力学参数的实时估计与验证

打开文本图片集

中图分类号：U467 收稿日期：2025-06-13 DOI：10.19999/j.cnki.1004-0226.2026.02.018

Real-time Estimation and Verification of Vehicle Dynamics Parameters in Traffic Accidents

Dong Wei Jilin Police College，Changchun 130119，China

Abstract：Intricacidentsenarios，aditioalposteventreconstructionmetodsarediiulttomttheequirementsofeal timeperformaneandaccuracy.Teresearchfocusesontereal-tieestimationofdyamicparametersbuildsaveicledaicodel underaccidentiiosdalystuingsoframeerschsedeleatiodgulsd onmulti-sourcesensordata，area-timeestimationalgorithmcombiningExtendedKalmanFilter（EKF）androbustfilteringisproposed，andaparameteradaptiveupdatemechanismisdesignedtodealwithsensorfilureanddatamutationatthemomentofcollsion. TheaccuracyoftheestimationresultswasverifiedbyconstructingtheCarsim-Simulinksimulationplatfomandconductingrealehicle colisiontests，providingtechnicaleferencesfortheapidanalysisoftraffcaidentsandintelligenttraffcdecisionmaking.

KeyWords：Trafficaccident;Vehicledynamicparameters;Multi-sourcefusion;Real-timeestimation;Verificationsystem

1前言

交通事故的发生具有瞬时性、强非线性、强耦合性、高随机性等特征，传统意义上的测量和静态假设方法很难满足对交通事故精确分析的要求。（剩余5277字）