Model and Its Genetic Algorithm for Non-Restraint Location Selection of Urban Freight Transshipping Station

Journal of South China University of Technology (Natural Science Edition) ›› 2005, Vol. 33 ›› Issue (7): 92-95.

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Model and Its Genetic Algorithm for Non-Restraint Location Selection of Urban Freight Transshipping Station

Zhu Qiang¹ Bu Lei² Xu Jian-min¹

1.College ofTraffic and Communications,South China Univ.ofTech.,Guangzhou 510640,Guangdong,China;2.School of Transportation Engineering,Tongji Univ.,Shanghai 200092,China

Received:2004-10-11 Online:2005-07-25 Published:2005-07-25
Contact: 朱强(1970-)，男，在职博士生，工程师，主要从事智能交通系统研究 E-mail:zhuqron@vip.163.tom
About author:朱强(1970-)，男，在职博士生，工程师，主要从事智能交通系统研究

Abstract

Abstract:

Considering the characteristics of urban freight transportation and the complexity of the consecutive loca-tion selection,the non-restraint location selection problem existing in urban freight transshipping stations is ana-lyzed,on the basis of which an optimized mathematical model to solve the problem is established and the effective genetic algorithm for the model is constructed.In this algorithm,the inlaid fitness function based on the table task or the simplex search is designed,and the genetic operational method ensuring the floating-point coding validity is adopted.Numerical calculation results indicate that the proposed model and algorithm efectively solve the non-re-straint location selection problem existing in urban freight transshipping stations.

Key words: freight transportation, transshipping station, non-restraint, location selection, genetic algorithm

Zhu Qiang Bu Lei Xu Jian-min. Model and Its Genetic Algorithm for Non-Restraint Location Selection of Urban Freight Transshipping Station[J]. Journal of South China University of Technology (Natural Science Edition), 2005, 33(7): 92-95.

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Model and Its Genetic Algorithm for Non-Restraint Location Selection of Urban Freight Transshipping Station

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