Optimization methods for traffic signal control of isolated intersection under rainy weather
-
摘要: 为优化降雨天气下单点交叉口交通控制的效率, 引入了降雨修正系数, 建立了单点交叉口交通信号配时方法; 应用行动分析软件分析降雨天气交叉口处的高精度视频, 以标定饱和流率、损失时间和到达车速等参数的变化特征, 提出了饱和流率、损失时间与到达车速的降雨修正系数; 建立了基于模拟退火算法的优化模型, 计算了各降雨等级下的修正系数; 构建了基于VISSIM仿真测试环境, 评估了提出的模型优化降雨天气下单点交叉口交通信号控制的效果, 分别比较了采用优化后参数的定时配时与感应配时对采用原参数的定时配时方案的交通运行效率。分析结果表明: 小雨、中雨与大到暴雨天气下的平均车头时距分别比正常天气增加了0.314%、1.256%、2.871%, 平均损失时间分别增加了1.042%、2.829%、3.424%;在流量低于600pcu· (h·lane) -1时, 改进的感应控制方案效果较好, 比采用原预设参数方案的车均延误降低了12%~23%;当流量高于600pcu· (h·lane) -1时, 采用改进的定时控制方案效果较好, 车均延误比原方案降低13%~25%, 并可在临近饱和与过饱和状态时推迟锁死状态的产生, 车均延误最低。Abstract: To improve the efficiency of traffic signal control at an isolated intersection under rainy weather, a traffic signal timing method was established by introducing a rainy correction coefficient.The high-resolution video of the isolated intersection under rainy weather was analyzed by using the motion analysis software, the characteristics of the saturation flow rate, lost time, and approaching speed under rainy weather were calibrated, and the rainy correction coefficients of the saturation flow rate, lost time, and approaching speed were established.A optimization model was proposed based on the simulated annealing algorithm, and the correction coefficients under various rainfall intensity levels were calculated.A VISSIM-based simulation environment was built, and the isolated intersection traffic signal control effect of the proposed modelwas evaluated under rainy weather.The traffic efficiencies of the isolated intersection using pre-timed timing control and actuated timing control with optimized parameters were compared.Analysis result indicates that the average headways under little rain, moderate rain, and heavy or torrential rain increase by 0.314%, 1.256%, and 2.871%, respectively, the average lost times increase by 1.042%, 2.829%, and 3.424%, respectively.When the flow rate is lower than 600 pcu· (h·lane) -1, the improved actuated control exhibits better performance and its average delay is 12%-23%lower than that of the original plan.When the flow rate is higher than 600 pcu· (h·lane) -1, the effect of pretimed control with the optimization is better, and the average delay is 13%-25%lower than that of the original plan, which can delay the lockout states under the saturated and over-saturated conditions and lead to the lowest delay.
-
表 1 观测样本数
Table 1. Observed sample numbers
表 2 观测参数统计特性
Table 2. Statistics characteristics of observed parameters
表 3 降雨修正系数与降雨强度的关系
Table 3. Relationship between rainy correction coefficient and rainfall intensity
表 4 降雨对交通信号配时参数的影响
Table 4. Influences of rainfall on traffic signal timing parameters
表 5 各种天气类型下模型参数标定值
Table 5. Calibrated values of model parameters under various weather conditions
表 6 三个方案的信号配时参数对比
Table 6. Comparison of signal timing parameters of 3schemes
-
[1] 李岩, 赵志宏, 李鹏飞, 等. 过饱和状态交通信号控制方法综述[J]. 交通运输工程学报, 2013, 13 (4): 116-126. doi: 10.3969/j.issn.1671-1637.2013.04.017LI Yan, ZHAO Zhi-hong, LI Peng-fei, et al. Review of traffic signal control methods under over-saturated condition[J]. Journal of Traffic and Transportation Engineering, 2013, 13 (4): 116-126. (in Chinese). doi: 10.3969/j.issn.1671-1637.2013.04.017 [2] PAPAGEORGIOU M, DIAKAKI C, DINOPOULOU V, et al. Review of road traffic control strategies[J]. Proceedings of the IEEE, 2003, 91 (12): 2043-2067. doi: 10.1109/JPROC.2003.819610 [3] WANG Fei-yue. Parallel control and management for intelligent transportation systems: concepts, architectures, and applications[J]. IEEE Transactions on Intelligent Transportation Systems, 2010, 11 (3): 630-638. doi: 10.1109/TITS.2010.2060218 [4] URBANIK T, TANAKA A, LOZNER B, et al. Signal timing manual (2nd edition)[R]. Washington DC: Transportation Research Board, 2015. [5] RAKHA H, ARAFEH M. Calibrating steady-state traffic stream and car-following models using loop detector data[J]. Transportation Science, 2010, 44 (2): 151-168. doi: 10.1287/trsc.1090.0297 [6] ASHLEY W S, STRADER S, DZIUBLA D C, et al. Driving blind: weather-related vision hazards and fatal motor vehicle crashes[J]. Bulletin of the American Meteorological Society, 2015, 96 (5): 755-778. doi: 10.1175/BAMS-D-14-00026.1 [7] DE FREITAS C R. Weather and place-based human behavior: recreational preferences and sensitivity[J]. International Journal of Biometeorology, 2015, 59 (1): 55-63. doi: 10.1007/s00484-014-0824-6 [8] HJELKREM O A, RYENG E O. Chosen risk level during car-following in adverse weather conditions[J]. Accident Analysis and Prevention, 2016, 95: 227-235. doi: 10.1016/j.aap.2016.07.006 [9] BERNARDIN F, BREMOND R, LEDOUX V, et al. Measuring the effect of the rainfall on the windshield in terms of visual performance[J]. Accident Analysis and Prevention, 2014, 63: 83-88. doi: 10.1016/j.aap.2013.10.008 [10] SU Bo-ni, HUANG Hong, LI Yun-tao. Integrated simulation method for waterlogging and traffic congestion under urban rainstorms[J]. Natural Hazards, 2016, 81 (1): 23-40. doi: 10.1007/s11069-015-2064-4 [11] KOETSE M J, RIETVELD P. The impact of climate change and weather on transport: an overview of empirical findings[J]. Transportation Research Part D: Transport and Environment, 2009, 14 (3): 205-221. doi: 10.1016/j.trd.2008.12.004 [12] MAZE T, AGARWAI M, BURCHETT G. Whether weather matters to traffic demand, traffic safety, and traffic operations and flow[J]. Transportation Research Record, 2006 (1948): 170-176. [13] 杨中良, 林瑜, 高霄. 恶劣天气条件下城市快速路通行能力研究[J]. 交通信息与安全, 2010, 28 (1): 75-78. doi: 10.3963/j.issn.1674-4861.2010.01.018YANG Zhong-liang, LIN Yu, GAO Xiao. Urban expressway capacity under adverse weather conditions[J]. Journal of Transport Information and Safety, 2010, 28 (1): 75-78. (in Chinese). doi: 10.3963/j.issn.1674-4861.2010.01.018 [14] 蒋贤才, 汪贝, 曾永松. 不良天气和路面环境对交通信号配时方案的影响[J]. 公路交通科技, 2014, 31 (7): 135-142, 158. doi: 10.3969/j.issn.1002-0268.2014.07.022JIANG Xian-cai, WANG Bei, ZENG Yong-song. Influence of inclement weather and poor road condition on traffic signal timing scheme[J]. Journal of Highway and Transportation Research and Development, 2014, 31 (7): 135-142, 158. (in Chinese). doi: 10.3969/j.issn.1002-0268.2014.07.022 [15] 龚大鹏, 宋国华, 黎明, 等. 降雨对城市道路行程速度的影响[J]. 交通运输系统工程与信息, 2015, 15 (1): 218-225. doi: 10.3969/j.issn.1009-6744.2015.01.036GONG Da-peng, SONG Guo-hua, LI Ming, et al. Impact of rainfalls on travel speed on urban roads[J]. Journal of Transportation Systems Engineering and Information Technology, 2015, 15 (1): 218-225. (in Chinese). doi: 10.3969/j.issn.1009-6744.2015.01.036 [16] THEOFILATOS A, YANNIS G. A review of the effect of traffic and weather characteristics on road safety[J]. Accident Analysis and Prevention, 2014, 72: 244-256. doi: 10.1016/j.aap.2014.06.017 [17] GOODWIN L C, PISANO P A. Weather-responsive traffic signal control[J]. ITE Journal, 2004, 74 (6): 28-33. [18] 张存保, 万平, 梅朝辉, 等. 雨天环境下高速公路交通流特性及模型研究[J]. 武汉理工大学学报, 2013, 35 (3): 63-67. doi: 10.3963/j.issn.1671-4431.2013.03.013ZHANG Cun-bao, WAN Ping, MEI Zhao-hui, et al. Traffic flow characteristics and models of freeway under rain weather[J]. Journal of Wuhan University of Technology, 2013, 35 (3): 63-67. (in Chinese). doi: 10.3963/j.issn.1671-4431.2013.03.013 [19] PERRIN H, MARTIN P, HANSEN B. Modifying signal timing during inclement weather[J]. Transportation Research Record, 2001 (1748): 66-71. [20] LE T, KOVÁCS P, WALTON N, et al. Decentralized signal control for urban road networks[J]. Transportation Research Part C: Emerging Technologies, 2015, 58: 431-450. doi: 10.1016/j.trc.2014.11.009 [21] MOHAN M, CHANDRA S. Queue clearance rate method for estimating passenger car equivalents at signalized intersections[J]. Journal of Traffic and Transportation Engineering: English Edition, 2017, 4 (5): 487-495. doi: 10.1016/j.jtte.2016.12.003 [22] 邵海鹏, 吕纪娜, 董海倩. 左转许可控制的平交口直左与左转车道延误比较[J]. 交通运输工程学报, 2016, 16 (3): 142-148, 158. doi: 10.3969/j.issn.1671-1637.2016.03.017SHAO Hai-peng, LYU Ji-na, DONG Hai-qian. Delay comparison between through-left lane and left turn lane for at-grade intersection with permitted left turn control[J]. Journal of Traffic and Transportation Engineering, 2016, 16 (3): 142-148, 158. (in Chinese). doi: 10.3969/j.issn.1671-1637.2016.03.017 [23] WU Xin-kai, LIU H X. Using high-resolution event-based data for traffic modeling and control: an overview[J]. Transportation Research Part C: Emerging Technologies, 2014, 42: 28-43. doi: 10.1016/j.trc.2014.02.001 [24] ARAGHI S, KHOSRAVI A, CREIGHTON D. A review on computational intelligence methods for controlling traffic signal timing[J]. Expert Systems with Applications, 2015, 42 (3): 1538-1550. doi: 10.1016/j.eswa.2014.09.003 [25] LI Yan, YU Li-jie, TAO Si-ran, et al. Multi-objective optimization of traffic signal timing for over-saturated intersection[J]. Mathematical Problems in Engineering, 2013 (1683): 1-9. [26] PANDIT K, GHOSAL D, ZHANG H M, et al. Adaptive traffic signal control with vehicular ad hoc networks[J]. IEEE Transactions on Vehicular Technology, 2013, 62 (4): 1459-1471. doi: 10.1109/TVT.2013.2241460 [27] 许英姿, 卢玉南, 范广, 等. 降雨对广西碎屑岩地区地质灾害的影响研究[J]. 工程地质学报, 2016, 24 (2): 181-186. https://www.cnki.com.cn/Article/CJFDTOTAL-GCDZ201602002.htmXU Ying-zi, LU Yu-nan, FAN Guang, et al. Rainfall influence on geological disaster in clastic rock areas of Guangxi Province[J]. Journal of Engineering Geology, 2016, 24 (2): 181-186. (in Chinese). https://www.cnki.com.cn/Article/CJFDTOTAL-GCDZ201602002.htm [28] KIRKPATRICK S, GELATT C D, VECCHI M P. Optimization by simulated annealing[J]. Science, 1983, 220 (4598): 671-680. doi: 10.1126/science.220.4598.671 [29] GILKS W R, BEST N G, TAN K K C. Adaptive rejection Metropolis sampling within Gibbs sampling[J]. Journal of the Royal Statistical Society, Series C: Applied Statistics, 1995, 44 (4): 455-472. [30] LI Yan, GUO Xiu-cheng, YANG Jie, et al. Mechanism analysis and implementation framework for traffic signal control of over-saturated intersection group[J]. Journal of Transportation Systems Engineering and Information Technology, 2011, 11 (4): 28-34. doi: 10.1016/S1570-6672(10)60130-4