广西科学2016，Vol.23Issue(3)：194-201,8.DOI:10.13656/j.cnki.gxkx.20160713.002
交通拥堵的平均场延迟反馈控制方法
Mean-field Delay-feedback Control Scheme for Traffic Jam
摘要
Abstract
Objective]A mean-field delay-feedback control scheme for traffic jam is proposed based on the optimal-velocity (OV)model,in order to suppress traffic j am.[Methods]The in-teraction among other vehicles can be taken the place of an average force exerting on each vehi-cle as delay-feedback control term by delayed coupling.The stability condition is derived from OV equation with a feedback control term by linear stability analysis.The effectiveness of the mean-field feedback control scheme are verified by simulation.[Results]The stability condition indicates that traffic flow approaches to steady state under control.The numerical simulation shows the region of traffic hysteresis curves in phase space(headway vs velocity)is shrunken, which indicates traffic j am is reduced under control.[Conclusion]The mean-field delay-feedback control scheme of traffic flow can effectively suppress traffic j am.The stronger the control gain is,the less the traffic j am is.And the mean-field delay-feedback control scheme is easily re-alized in Intelligent Traffic System(ITS).关键词
优化速度模型/平均场理论/延迟反馈控制方案/稳定性条件/数值模拟/交通滞后Key words
optimal-velocity model/mean-field/delay-feedback control scheme/stability condi-tion/simulation/traffic hysteresis分类
交通工程引用本文复制引用
郭言,薛郁,施映,李瑞鑫,何红弟..交通拥堵的平均场延迟反馈控制方法[J].广西科学,2016,23(3):194-201,8.基金项目
国家自然科学基金项目(11262003),广西自然科学基金项目(20140593)和广西研究生创新项目(YCSZ2012013)资助。 （11262003）
