基于AHP-信息熵决策的城市轨道建设期交通组织方案评价  

Evaluating on traffic management during traffic construction of urban rail based on AHP-information entropy

作　　者：马静[1] 戴维佳 MA Jing;DAI Wei-jia(School of Information Engineering,Chang'an University,Xi'an 710064,Shaanxi,China;School of Traffic and Transportation,Beijing Jiaotong University,Beijing 100044,China)

机构地区：[1]长安大学信息工程学院,陕西西安710064 [2]北京交通大学交通运输学院,北京100044

出　　处：《长安大学学报（自然科学版）》2020年第4期101-108,共8页Journal of Chang’an University(Natural Science Edition)

基　　金：国家自然科学基金项目(51278058)。

摘　　要：为提高城市轨道建设期地面交通组织的有效性,从"点、线、面"3个角度分析其交通组织方案评价指标并进行筛选,通过主观概率法对评价指标进行分析,构建轨道交通建设期地面的交通组织评价体系。提出基于层次分析法(analytic hierarchy process,AHP)和信息熵权法的加权平均综合多指标属性决策的方法,并采用该方法对城市轨道建设期交通组织方案进行评价。以西安市地铁4号线建设期间的交通组织为例,用所选取指标体系对该方法进行了验证。研究结果表明:提出的AHP-信息熵决策法中,路网连通度、围挡占用车道面积、大车率、机非(机动车-非机动车)隔离设施合理性、交通交叉口渠化有效性、信号灯配时有效性6个指标所占权重值比较大,且总和占到了总权重值的70%,说明提出的方法从"点、线、面"3个层次分别考虑了影响道路交通的指标重要性,在一定程度上满足了主客观结合评价的科学合理性;选取评价指标体系架构简单,能够综合反映各评价指标的重要性和轨道建设期地面交通组织的实际情况,可为轨道建设交通组织提供理论指导。In order to improve the effectiveness of the ground transportation organization during the period of urban rail transit construction,the evaluation indexes of the transportation organization scheme from the three perspectives of"point,line and area"were analyzed.The evaluation indexes were analyzed by the subjective probability method,and the evaluation system of the ground transportation organization during the period of rail transit construction was constructed.A weighted average synthesis method was presented based on analytic hierarchy process(AHP)and information entropy weight method to evaluate the transportation organization plan during urban rail construction.The method was validated with the selected index system,taking the transportation organization during the construction of Xi’an Rail Line 4 as an example.The results show that the weight value of the proposed AHP-information entropy decision method is relatively high,in the six indexes of road network connectivity,lane area occupied by the fence,vehicle ratio,rationality of non-isolation facilities,availability of traffic intersections’channel and availability of signal lights’timing,and the sum of which accounts for 70%of the total weight value.The importance of indicators affecting road traffic is considered respectively from the three levels of"point,line and plane".To a certain extent,it satisfies the scientific rationality of combining subjective and objective,and it is simple to select the evaluation index system structure,which can comprehensively reflect the importance of each evaluation index and the actual situation of ground transportation organization during the rail construction period,so as to provide theoretical guidance for the rail construction transportation organization.7 tabs,2 figs,25 refs.

关 键 词：交通工程 城市轨道 交通组织 层次分析法 熵权法 评价指标 

分 类 号：U492[交通运输工程—交通运输规划与管理]