Browse Publications Technical Papers 2019-01-5044
2019-11-04

Study on Comprehensive Evaluation Index of Front Collision Hazard of Intelligent Vehicle 2019-01-5044

Collision avoidance technology is one of the key areas in the longitudinal safety research of intelligent vehicles. For the research of collision avoidance system, the existing methods usually use the evaluation index based on time interval or braking process to carry out risk assessment. In order to overcome the shortcomings of the formulas for describing the longitudinal hazard degree established in most studies, such as great differences, inconsistent standards and weak normalization, a comprehensive evaluation method for the longitudinal hazard in front-impact scenarios is established. This method takes into account both the analysis of time interval and braking process, and considers the non-linear variation of the longitudinal hazard degree with the real-time distance and speed of two vehicles. It can describe the longitudinal hazard degree of vehicles in dangerous traffic scenarios. Compared with the existing longitudinal hazard assessment methods, the effectiveness and universality of the pre-collision hazard assessment method proposed in this paper are demonstrated.

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