摘要
汽车追尾产生二次碰撞是一种较严重的交通事故。为了解决此问题,进行了汽车追尾碰撞动力学分析及稳定性控制研究。在Simulink软件中分别建立了追尾车辆及被追尾车辆的动力学模型,应用碰撞动力学理论分析了汽车碰撞后被追尾车辆关键参数的变化过程及其稳定性规律。针对追尾碰撞后被追尾车辆的失稳情况,提出了一种基于逻辑门限值与PID调节各车轮制动力的PISP追尾碰撞稳定性控制策略。Carsim与Simulink联合实例仿真结果表明:该策略能保证被追尾车辆的稳定性,可减轻及避免车辆追尾后发生二次碰撞造成的损失。
Road traffic statistics have shown multi-event crashes typically result in higher fatalities and injuries. The topic of analysis and stabilization control for vehicles involved in light vehicle-to-vehicle impacts were addressed. By developing a vehicle collision model through CarSim/Simulink simulations, the changing process and its stability rules of parameters of vehicle after crash were analyzed. Then a post-impact stability control （PISP） system was developed to attenuate undesired vehicle motions spin-out, induced by the initial impacts based on the instability of rear-ended vehicles after the crash. The system effectiveness was verified through CarSim/Simulink simulations for angled rear-ends collisions. Carsim and Simulink instance simulation results show that the strategy can guarantee the stability of the rear-ended vehicles and can reduce and avoid damage of secondary collision after rear-end collision.
出处
《重庆理工大学学报（自然科学）》
CAS
2016年第5期20-26,共7页
Journal of Chongqing University of Technology：Natural Science
基金
国家自然科学基金资助项目(11202096)
关键词
追尾碰撞
车与车碰撞
稳定性控制
rear-end collision
vehicle to vehicle collision model
stability control
