第21卷第1期2023年2月福建工程学院学报JournalofFujianUniversityofTechnologyVol.21No.1Feb.2023doi:10.3969/j.issn.1672-4348.2023.01.010基于多模式轨迹和车速自适应的变道超车规划张彬岑1,高秀晶1,2,洪汉池1,2,曾方正1,黄雯垠1(1.厦门理工学院机械与汽车工程学院,福建厦门361024;2.福建省客车及特种车辆研发协同创新中心,福建厦门361024)摘要:针对智能汽车变道超车规划中轨迹模式和速度策略单一的问题,提出一种安全高效、多模式轨迹和车速自适应的变道超车规划方案。通过建立可调参数的三段式变道超车模型,利用五次多项式设计变道轨迹拟合算法,以安全性为要求设计侧翻约束和碰撞约束边缘条件。基于多目标优化函数进行多模式轨迹优化,得到不同模式变道轨迹的解集空间,并基于超车阶段的时间进行速度自适应规划。通过MATLAB/Simulink构建仿真测试试验,结果表明该方案在全速域,满足安全条件约束下,能输出3种模式(效率模式、舒适模式和综合模式)的变道超车轨迹,输出的轨迹特性稳定,在两车相对速度较小时自适应速度规划能够有效提升超车效率。关键词:汽车工程;变道超车模型;多模式轨迹规划;约束条件;自适应速度规划中图分类号:U461.99文献标志码:A文章编号:1672-4348(2023)01-0063-09Lane-changeovertakingplanningbasedonmulti-modetrajectoryandvehiclevelocityadaptationZHANGBincen1,GAOXiujing1,2,HONGHanchi1,2,ZENGFangzheng1,HUANGWenyin1(1.MechanicalandAutomotiveEngineering,XiamenUniversityofTechnology,Xiamen361024,China;2.FujianCollaborativeInnovationCenterforR&DofCoachandSpecialVehicle,Xiamen361024,China)Abstract:Aimingattheproblemofsingletrajectorymodeandvelocitystrategyofintelligentvehiclelane-changeovertaking,asafe,efficient,multi-modetrajectoryandvelocityadaptiveplanningschemeforlanechangingandovertakingwasproposed.Byestablishingathree-stagelane-changeovertakingmodelwithadjust-ableparameters,aquinticpolynomialwasusedtodesignalane-changingtrajectoryfittingalgorithm,andwithsafetyastherequirement,theedgeconditionsofrolloverconstraintsandcollisionconstraintsweredesigned.Basedonthemulti-objectiveoptimizationfunction,themulti-modetrajectoryoptimizationwascarriedout,andthesolutionsetspaceofdifferentmodes...