华南理工大学学报(自然科学版) ›› 2023, Vol. 51 ›› Issue (10): 160-170.doi: 10.12141/j.issn.1000-565X.230178

所属专题: 2023绿色智慧交通系统专辑

• 绿色智慧交通系统 • 上一篇    

随机特性下考虑碳排放的公交优先控制优化模型

胡兴华1 陈兴辉1 汪然2 隆冰3 吴江4   

  1. 1.重庆交通大学 交通运输学院, 重庆 400074
    2.重庆攸亮科技股份有限公司, 重庆 404100
    3.重庆市交通规划研究院, 重庆 401120
    4.重庆盛远工程设计咨询有限公司, 重庆 400023
  • 收稿日期:2023-06-06 出版日期:2023-10-25 发布日期:2023-06-06
  • 通信作者: 陈兴辉(1998-),男,硕士生,主要从事区域及城市交通运输系统规划研究。 E-mail: cxh_19981008@163.com
  • 作者简介:胡兴华(1981-),男,博士,教授,主要从事交通碳排放大数据分析及绿色低碳政策、区域及城市交通运输系统规划研究。E-mail: xhhoo@cqjtu.edu.cn
  • 基金资助:
    四川省科技计划项目(2022YFG0132);重庆市研究生联合培养基地项目(JDLHPYJD2019007);重庆市社会科学规划项目(2021NDYB035)

Optimization Model of Bus Priority Control Considering Carbon Emissions with Stochastic Characteristics

HU Xinghua1 CHEN Xinghui1 WANG Ran2 LONG Bing3 WU Jiang4   

  1. 1.School of Traffic &Transportation,Chongqing Jiaotong University,Chongqing 400074,China
    2.Chongqing YouLiang Science & Technology Co. ,Ltd. ,Chongqing 404100,China
    3.Chongqing Transport Planning Institute,Chongqing 401120,China
    4.Chongqing Shengyuan Engineering Design Consulting Co. ,Ltd. ,Chongqing 400023,China
  • Received:2023-06-06 Online:2023-10-25 Published:2023-06-06
  • Contact: 陈兴辉(1998-),男,硕士生,主要从事区域及城市交通运输系统规划研究。 E-mail: cxh_19981008@163.com
  • About author:胡兴华(1981-),男,博士,教授,主要从事交通碳排放大数据分析及绿色低碳政策、区域及城市交通运输系统规划研究。E-mail: xhhoo@cqjtu.edu.cn
  • Supported by:
    the Sichuan Science and Technology Project(2022YFG0132);the Chongqing Postgraduate Joint Training Base Project(JDLHPYJD2019007);the Chongqing Social Science Planning Project(2021NDYB035)

摘要:

在交通强国建设的大背景下,大力发展城市公共交通,推动城市可持续发展已然成为城市交通发展的必然要求。公交信号优先控制作为一种主动优先策略,可有效减少公交车辆在信号交叉口处产生的碳排放和延误,提升公交服务质量。为研究公交优先控制策略对交通碳排放的影响,基于交叉口车速随机特性,引入公交车速概率密度函数,分析了延误、停车次数、速度等主要参数对交通碳排放的影响。采用车速引导与绿时延长的组合控制策略,以交叉口上游路段以及交叉口范围内不同燃料类型的公交车和小汽车的碳排放减少量最优为上层目标,以人总延误减少量最优为下层目标,以引导速度以及非公交优先相位被压缩的绿灯时间为决策变量,建立单交叉口公交优先控制双层优化模型,并采用Gauss-Seidel迭代算法对模型进行求解。最后,将所建立的模型应用算例进行分析,结果表明,在引导提速与绿时延长策略下,交叉口整体的碳排放和人总延误减少量可分别达到25.63%和36.27%。模型有效降低了交叉口上游路段以及交叉口范围内的碳排放和人总延误,在推动可持续发展的同时,实现了交叉口整体通行效益最优。

关键词: 城市交通, 碳排放, 公交优先控制, 车速引导, 概率密度函数

Abstract:

In the context of the construction of a country with a strong transportation network, vigorously developing urban public transportation and promoting sustainable urban development has become an inevitable requirement for urban transportation development. Transit signal priority control, as an active priority strategy, can effectively reduce the carbon emissions and delays generated by buses at signal intersections, and improve the quality of bus service. A bus speed probability density function was introduced to study the effect of bus priority control strategy on traffic carbon emission, based on the speed stochastic characteristics of intersection. The effect of main parameters such as delay, stopping times, and speed on traffic carbon emission was analyzed. A bi-level optimization model of single-intersection bus priority control was established using the combination strategy of speed guidance and green extension. The model took the optimal carbon emission reduction of buses and cars with different fuel types in the upstream section of the intersection and the intersection control area as the upper-level objective, the optimal total people delay reduction as the lower-level objective, and the guidance speed as well as the compressed green time of the non-bus-priority phases as the decision variables. The Gauss-Seidel iterative algorithm was used to solve the model. Finally, the established model was applied to the calculation cases for analysis, and the results indicated that under the guidance acceleration and green extension strategy, the overall carbon emission and total passenger delay reduction of the intersection could reach 25.63% and 36.27%, respectively. The model effectively reduced carbon emissions and total passenger delays in the upstream sections of the intersection and the intersection control area, and optimized the overall traffic benefit of the intersection while promoting sustainable development.

Key words: urban traffic, carbon emissions, bus priority control, speed guidance, probability density function

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