车辆自适应巡航控制策略研究与仿真

Research and simulation on adaptive vehicle cruise control strategy

为了保证车辆自适应巡航控制(ACC)系统的安全性、跟踪效果和稳定性,基于车辆安全距离模型建立了车辆自适应巡航控制模型,在Trucksim中搭建CACC跟驰控制系统;通过Simulink与Trucksim联合仿真,验证系统的可行性。仿真结果表明,在车辆编队的行驶过程中,前后车的车距始终在设定的安全距离范围内波动,具有良好的安全性;跟随车辆的相对速度和相对距离波动极小,具有良好的稳定性。

In order to ensure the safety,tracking effect and stability of the vehicle adaptive cruise control(ACC),the ACC control model is established based on vehicle safety distance model,and a cooperative adaptive cruise control(CACC)car-following system is constructed in Trucksim;the feasibility of the system is verified by the joint simulation of Simulink and Trucksim.The simulation results shows that during the process of vehicle formation driving,the distance between the front and rear vehicles fluctuated within the set safe distance,which is of good safety,while the relative speed and distance of the following vehicles fluctuated within a very narrow range,which is of good stability.