粗糙集理论在城际间客运量分担率模型中的应用被引量：3

Application of Rough Set Theory in the Inter-city Passenger Traffic Sharing

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摘要 Logit模型通常用于城际间客运量分担率的预测,其理论基础是假设乘客对交通工具选择的效用函数符合Gumbell分布,这与大交通中出行分布的特点是一致的,但是效用函数在求解时存在着困难,为此作者对Logit模型中效用函数的求解方法作了改进,采用粗糙集理论代替层次分析求解效用函数,以增强Logit模型的实用性,并结合哈尔滨-长春和哈尔滨-大连间客运量分担率的预测证明模型的有效性。 The Logit model is often used to estimate the intercity passenger traffic sharing, based on the hypothesis that the utility function of the passenger＇s choices of the transportation vehicle conforms to the Gumbell distribution. This agrees with the journey distr/bution characteristics in the big transportation, but it is difficult for the utility function to obtain the solution. Therefore the author improves the utility function solution in the Logit model with the rough set theory to replace the analytic hierarchy so as to solve the utility function, finally to strengthen the usability of the Logit model. The validity of the model is proved in the passenger traffic sharing between Harbin and Changchun.

作者冯焕焕朱从坤

机构地区苏州科技学院土木工程系

出处《苏州科技学院学报（工程技术版）》 CAS 2007年第1期30-33,38,共5页 Journal of Suzhou University of Science and Technology （Engineering and Technology）

基金苏州科技学院基金项目(030640107)

关键词交通规划客运量分担率粗糙集 LOGIT模型效用函数 traffic planning passenger traffic sharing rough set Logit model utility function

分类号 U116 [交通运输工程]

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