基于碳排惩罚的双城系统公交线网协同优化

Cooperative optimization of two-city public transit networks based on carbon emission penalty

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摘要为进一步促进跨城公交建设,推动区域一体化发展,提出一种基于碳排惩罚的双城系统公交线网协同优化模型.首先,针对都市圈中的双城系统提出基于碳排放的公共交通协同发展合作机制,并引入“碳排惩罚”作为小城市运营跨城公交至大城市所需向大城市支付的成本.其次,设计两种跨城公交布局方案,采用简约连续方法,测算跨城公交运营方案下的乘客用户成本、公交运营成本和碳排总量.然后,以双城公交系统内用户成本与运营成本之和,即系统总成本最低为目标,构建弹性需求下公交线网组织设计的双层规划模型,探究跨城公交与两个城市市内公交的协同优化问题,因模型决策变量少,故直接采用遗传算法求解.最后,以西安—咸阳双城系统为例进行实证分析,以期为公交线网协同布局提供决策依据.研究结果表明:建设跨城公交有助于推动小城市的市内公交服务水平提升,降低小城市的交通碳排放;两种跨城公交布局方案的差异主要体现在小城市的公交服务水平和运营成本上;建设跨城公交能否降低系统总碳排放主要取决于双城系统的出行需求水平、城市间距离和跨城出行比例. To further promote intercity public transit construction and foster regional integration,this paper introduces a collaborative optimization model for a dual-city public transit network,incorporating a penalty for carbon emissions.Firstly,a cooperative mechanism is developed for the coordinated development of public transit based on carbon emissions in the two-city system within the metropolitan area.This framework introduces the novel concept of a “carbon emission penalty” which represents the financial burden that smaller cities must bear to compensate larger cities for the operation of intercity public transit services.Secondly,the paper presents two distinct layouts for intercity public transit systems.Utilizing the parsimonious continuum approach,it calculates the user costs,operational expenses,and overall carbon emissions associated with each transit plan.Then,with the goal of minimizing the total system cost,which is the sum of user cost and operation cost within the two-city public transit system,a bi-level programming model for the design of network organization under elastic demand is established.This model addresses the collaborative optimization challenge between intercity and urban public transit systems.Given the model's decision variables are trivial,a genetic algorithm is employed for its solution.Finally,an empirical analysis is conducted with the two-city system of Xi'an and Xianyang as an example,aiming to provide decision-making support for the coordinated layout of the public transit network.The research results indicate that the establishment of intercity public transit can enhance the service level of public transit in smaller cities and curtail traffic-related carbon emissions.The differences between the two public transit network layouts are mainly reflected in the public transit service level and operating costs in the smaller city.Whether the construction of intercity public transit can reduce carbon emissions mainly depends on the level of travel demand,the distance between cities,

作者范昱宏路浩然罗斯达邵春福 FAN Yuhong;LU Haoran;LUO Sida;SHAO Chunfu(The Key Laboratory of Road and Traffic Engineering,Ministry of Education,Tongji University,Shanghai 201804,China;School of Traffic and Transportation,,Beijing Jiaotong University,Beijing 100044,China;Key Laboratory of Transport Industry of Big Data Appli-cation Technologies for Comprehensive Transport,Beijing Jiaotong University,Beijing 100044,China;Xinjiang Key Laboratory of Green Construction and Smart Traffic Control of Transportation Infrastructure,Xinjiang University,Urumqi 830049,China)

机构地区同济大学道路与交通工程教育部重点实验室北京交通大学交通运输学院北京交通大学综合交通运输大数据应用技术交通运输行业重点实验室新疆大学新疆交通基础设施绿色建养与智慧交通管控重点实验室

出处《北京交通大学学报》 CAS CSCD 北大核心 2024年第4期65-81,共17页 JOURNAL OF BEIJING JIAOTONG UNIVERSITY

基金国家自然科学基金(72101017)。

关键词双城系统公交线网协同优化简约连续方法碳排惩罚双层规划 two-city system collaborative optimization of public transit network parsimonious con-tinuum approach carbon emission penalty bi-level programming

分类号 U491 [交通运输工程—交通运输规划与管理]