混合ACC车辆与人工驾驶车辆的交通流数值模拟
PDF下载 (343)陈广宇 1,祝会兵 1*,范悦悦 2.混合ACC车辆与人工驾驶车辆的交通流数值模拟[J].宁波大学学报(理工版),2018,31(2):101-107.DOI:
CHEN Guang-yu 1,ZHU Hui-bing 1*,FAN Yue-yue 2.Numerical simulation of mixed traffic flow including ACC vehicles and manually driven vehicles[J].Journal of Ningbo University(Natural Science & Engineering Edition),2018,31(2):101-107.DOI:
| Title: | Numerical simulation of mixed traffic flow including ACC vehicles and manually driven vehicles |
| 作者: | 陈广宇 1, 祝会兵 1*, 范悦悦 2 |
| Author(s): | CHEN Guang-yu 1, ZHU Hui-bing 1*, FAN Yue-yue 2 |
| 关键词: | ACC车辆; 元胞自动机; 交通流模型; 非线性特征 |
| Keywords: | ACC vehicle, cellular automaton, traffic flow model, nonlinear characteristic |
| 分类号: | TP391 |
| 文献标识码: | A |
| 摘要: | 针对自动驾驶汽车与人工驾驶汽车混合通行的新型交通流模式, 基于元胞自动机交通流模型, 分别建立了人工驾驶汽车以及装有自适应巡航系统(ACC)车辆的运动规则, 进而提出了混合ACC车辆与人工驾驶汽车的交通流模型. 基于ACC车辆的常车头时距策略, 分析了车头时距取值对交通流的影响, 经过与实测数据比较, 推荐了合适的车头时距值. 研究结果显示, 新型的混合交通流中依然存在自由流、同步流及宽幅运动阻塞, 但是单纯ACC车辆交通流在中高密度区域则会出现均匀流动现象. 车辆时空演化图显示ACC车辆的出现有利于提高交通流的整体流量、有效减少车辆集簇. 研究结果可以为新型交通环境下的交通工程规划和建设提供理论指导. |
| Abstract: | In this paper, we investigate the new type of traffic flow with mixture of manual vehicles and vehicles equipped with adaptive cruise control (ACC). We propose a mixed traffic flow model, in which the updating rules of ACC vehicles and manually driven vehicles are presented respectively in a more realistic manner based on the cellular automaton traffic flow model. The “constant-headway time” policy is chosen for the ACC vehicles, the effect of which on traffic flow is analyzed. The value of the constant-headway time is recommended by comparing the simulation results with the measured field data. It is found that the three traffic phases, i.e., free flow, synchronized flow and wide moving jams, also exist in the new mixed traffic flow system. However, the phenomenon of uniform flow is identified with ACC vehicles only when the density is moderate or high. Based on the spatial-temporal profiles of mixed traffic flow, it is found that the ACC vehicles help enhance the efficiency of the total traffic flow and reduce vehicles’ congestions. |
| 参考文献 /References: | [1] Nagel K, Schrekenberg M. A cellular automaton model for freeway traffic[J]. Journal De Physique I, 1992, 2(12): 2221-2229. [2] Barlovic R, Santen L, Schreckenburg A. Metastable states in cellular automata for traffic flow[J]. The European Physical Journal B: Condensed Matter and Complex Systems, 1998, 5(3):793-800. [3] Takayasu M, Takayasu H. 1/f noise in a traffic model[J]. Fractals-Complex Geometry, Patterns, and Scaling in Nature and Society, 1993, 1(4):860-866. [4] Benjamin S C, Johnson N F, Hui P M. Cellular automaton models of traffic flow along a highway containing a junction[J]. Journal of Physics A: General Physics, 1996, 29(12):3119-3127. [5] Wolfgang K, Andreas S, Michael S, et al. Towards a realistic microscopic description of highway traffic[J]. Journal of Physics A: General Physics, 2000, 33(48):477- 485. [6] Jiang R, Wu Q S. Cellular automata models for synchronized traffic flow[J]. Journal of Physics A: General Physics, 2003, 36(2):381-390. [7] Davis L C. Effect of adaptive cruise control systems on traffic flow[EB/OL]. [2016-02-07]. https://journals.aps. org/pre/abstract/10.1103/PhysRevE.69.066110. [8] Davis L C. Effect of adaptive cruise control systems on mixed traffic flow near an on-ramp[J]. Physica A, 2007, 379(1):274-290. [9] Davis L C. Optimality and oscillations near the edge of stability in the dynamics of autonomous vehicle platoons [J]. Physica A: Statistical Mechanics and its Applications, 2013, 392(17):3755-3764. [10] Davis L C. Improving traffic flow at a 2-to-1 lane reduction with wirelessly connected, adaptive cruise control vehicles[J]. Physica A, 2016, 451:320-332. [11] Ioannou P A, Stefanovic M. Evaluation of ACC vehicles in mixed traffic: Lane change effects and sensitivity analysis[J]. IEEE Transactions on Intelligent Transportation Systems, 2005, 6(1):79-89. [12] Jiang R, Wu Q S. The adaptive cruise control vehicles in the cellular automata model[J]. Physics Letters A, 2006, 359(2):99-102. [13] Xie D F, Gao Z Y, Zhao X M. The effect of ACC vehicles to mixed traffic flow consisting of manual and ACC vehicles[J]. Chinese Physics B, 2008, 17(12):4440-4445. [14] Yuan Y M, Jiang R, Hu M B, et al. Traffic flow characteristics in a mixed traffic system consisting of ACC vehicles and manual vehicles: A hybrid modelling approach[J]. Physica A, 2009, 388(12):2483-2491. [15] 华雪东, 王炜, 王昊. 考虑自适应巡航车辆影响的上匝道系统混合交通流模型[J], 物理学报, 2016, 65(8):219- 231. [16] Pauwelussen J, Feenstra P J. Driver behavior analysis during ACC activation and deactivation in a real traffic environment[J]. IEEE Transactions on Intelligent Transportation Systems, 2010, 11(2):329-338. [17] Chang T H, Wang M C, Yu S M. Advance-F automatic car-following model and its traffic characteristics[J]. International Journal of Automotive Technology, 2011, 12(6):933-942. [18] 杨涛. 基于浮动车技术的路段交通流量推算研究[D]. 北京: 北京交通大学, 2007. [19] Diana Y, Ioannis K. Longitudinal control of automated CHVs with significant actuator delays[J]. IEEE Transactions on Vehicular Technology, 1997, 50(5):1289-1297. [20] 张柠溪, 祝会兵, 林亨, 等. 考虑动态车间距的一维元胞自动机交通流模型[J]. 物理学报, 2015, 64(2):299-305. [21] 吴正, 郭明旻. 交通实测视频与数据共享平台[EB/OL]. [2017-09-17]. http://traflow.fudan.edu.cn/index.html. [22] 祝会兵, 郭丽敏, 张柠溪, 等. 基于交通实测的交通流密度特性分析[J]. 宁波大学学报(理工版) , 2015, 28(4): 20-24. [23] Wolfgang K, Ludger S, Andreas S, et al. Single-vehicle data of highway traffic: Microscopic description of traffic phases[EB/OL]. [2016-12-11]. https://journals.aps.org/ pre/abstract/10.1103/PhysRevE.65.056133. [24] Christopher N, Steven E S, Delphine C, et al. Cooperative Adaptive Cruise Control: Testing Drivers’ Choices of Following Distances[EB/OL]. [2016-05-21]. http://path. berkeley.edu/sites/default/files/publications/PRR-2010-39- XTO.pdf. |
| 备注/Memo: | 收稿日期: 2017－09－19. 宁波大学学报（理工版）网址: http://journallg.nbu.edu.cn/ 基金项目: 国家自然科学基金（11372147）; 宁波大学王宽诚基金. 第一作者: 陈广宇（1992－）, 男, 浙江湖州人, 在读硕士研究生, 主要研究方向: 交通流动力学. E-mail: 510832305@qq.com *通信作者: 祝会兵（1966－）, 女, 浙江宁波人, 教授, 主要研究方向: 交通流动力学. E-mail: zhuhuibing@nbu.edu.cn 宁波大学学报（理工版）网址：http://journallg.nbu.edu.cn/ |
