Research on Vehicle Head-on Collision Accident Reconstruction System Based on Inverse Analysis

LIU Yongtao; GAO Longxin; FANG Tengyuan; YAN Xingpei; YANG Jingshuai; HUA Haining

doi:10.3969/j.issn.0258-2724.20240169

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Journal of Southwest Jiaotong University > 2025 >

LIU Yongtao, GAO Longxin, FANG Tengyuan, YAN Xingpei, YANG Jingshuai, HUA Haining. Research on Vehicle Head-on Collision Accident Reconstruction System Based on Inverse Analysis[J]. Journal of Southwest Jiaotong University. doi: 10.3969/j.issn.0258-2724.20240169

Citation:

LIU Yongtao, GAO Longxin, FANG Tengyuan, YAN Xingpei, YANG Jingshuai, HUA Haining. Research on Vehicle Head-on Collision Accident Reconstruction System Based on Inverse Analysis[J]. Journal of Southwest Jiaotong University. doi: 10.3969/j.issn.0258-2724.20240169

Citation:

LIU Yongtao, GAO Longxin, FANG Tengyuan, YAN Xingpei, YANG Jingshuai, HUA Haining. Research on Vehicle Head-on Collision Accident Reconstruction System Based on Inverse Analysis[J]. Journal of Southwest Jiaotong University. doi: 10.3969/j.issn.0258-2724.20240169

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Research on Vehicle Head-on Collision Accident Reconstruction System Based on Inverse Analysis

doi: 10.3969/j.issn.0258-2724.20240169

1.
School of Automobile, Chang’an University, Xi’an Shaanxi 710064, China
2.
School of Automotive Engineering, Wuhan University of Technology, Wuhan Hubei 430070, China
3.
Road Traffic Safety Research Center of Ministry of Public Security, Beijing 100006, China

Received Date: 04 Apr 2024
Rev Recd Date: 19 Dec 2024

Available Online: 29 Mar 2025

Abstract

Abstract

To enhance the precision and effectiveness of vehicle collision accident reconstruction, equations for calculating collision velocities were formulated based on the conservation laws of momentum and angular momentum. Using rotational transformations of the collision coordinate system, an analytical model of the vehicle's instantaneous collision dynamics was developed. Subsequently, the collision process was segmented for analysis, leading to the development of a three-dimensional dynamic model of the vehicle body. Utilizing 3DMAX and OpenGL graphics technology, along with fundamental database techniques, a collision reconstruction system was designed and validated through simulation analyses of real-world head-on collision cases to verify its accuracy and effectiveness. The findings reveal that the system achieves an average relative error of less than 5.1% in simulated vehicle speeds, with an average trajectory alignment correlation of 0.85. This system effectively resolves the analytical challenges of inverse uncertainty equations at the moment of collision, significantly enhancing the precision of relevant parameter calculations in vehicle collisions, thereby demonstrating high practicality and user-friendliness.
- inverse algorithm,
- head-on collision,
- accident reconstruction,
- dynamic calculation model,
- three-dimensional reconstruction

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References(27)

References

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