智能车辆自适应巡航控制策略研究  

Research on adaptive cruise control strategy of intelligent vehicle

作　　者：王勤伟 肖文龙 邹晓宇 张宇龙 崔凯晨 周恒恒 WANG Qinwei;XIAO Wenlong;ZOU Xiaoyu;ZHANG Yulong;CUI Kaichen;ZHOU Hengheng(School of Intelligent Engineering,Xi′an Jiaotong-Liverpool University,Suzhou 215123,China;Product Research and Development Institute,Jiangling mobile Company Limited,Nanchang 330001,China;Vocational Education Teaching Research Office,Weihai Institute of Education and Teaching Research,Weihai 264399,China;School of Transportation and Vehicle Engineering,Shandong University of Technology,Zibo 255049,China)

机构地区：[1]西交利物浦大学智能工程学院,江苏苏州215123 [2]江铃汽车股份有限公司产品研发总院,江西南昌330001 [3]威海市教育教学研究院职业教育教学研究室,山东威海264399 [4]山东理工大学交通与车辆工程学院,山东淄博255049

出　　处：《山东理工大学学报（自然科学版）》2024年第3期8-13,共6页Journal of Shandong University of Technology:Natural Science Edition

基　　金：国家自然科学基金青年科学基金项目(52102465)。

摘　　要：为满足车辆自适应巡航安全性要求,提出了一种分层式自适应巡航控制策略。首先将车辆行驶模式分为定速巡航与跟车巡航两种,并设计控制模式切换策略,针对不同模式,分别建立基于PID控制和基于可变车头时距的安全车间距策略与最优控制的控制器模型,获得期望加速度;然后建立下层制动/节气门开度切换模型及其逆模型,得到车辆期望的节气门开度和制动压力,实现对车辆的控制;最后基于CarSim与Matlab/Simulink联合仿真平台进行测试。结果显示,所设计的安全车间距策略和控制策略能够保证巡航稳定性及安全性。In order to effectively improve the vehicle adaptive cruise safety,a hierarchical adaptive cruise control strategy is proposed.Firstly,the vehicle driving mode is divided into free cruise and car-following cruise,and the control mode switching strategy is designed.For different modes,the controller models based on PID,variable headway strategy and optimal control are established,respectively,to obtain the desired acceleration.Then the lower brake/throttle opening switching model and its inverse model are established to obtain the expected throttle opening or brake pressure of the vehicle and realize the control of the vehicle.Finally,it is tested based on the joint simulation platform of CarSim and Matlab/Simulink.The results show that the designed safe car spacing strategy and control strategy can ensure the stability and safety of cruise.

关 键 词：自适应巡航控制系统 间距策略 分层控制 联合仿真 

分 类 号：U463.6[机械工程—车辆工程]