A BRANCH AND BOUND ALGORITHM FOR A CLASS OF ASYMMETRICAL VEHICLE ROUTEING PROBLEMS

被引:17
|
作者
LAPORTE, G [1 ]
MERCURE, H [1 ]
NOBERT, Y [1 ]
机构
[1] UNIV QUEBEC, MONTREAL H3C 3P8, QUEBEC, CANADA
关键词
VEHICLE ROUTEING; INTEGER PROGRAMMING;
D O I
10.2307/2583566
中图分类号
C93 [管理学];
学科分类号
12 ; 1201 ; 1202 ; 120202 ;
摘要
This paper describes a branch and bound algorithm for a general class of asymmetrical vehicle routeing problems. Vehicle routes start and end at a central depot. Visits are made to nodes grouped into clusters: every cluster must receive a minimum number of visits. But not all nodes must be visited: there are specified nodes and non-specified nodes. Vehicle routes are also constrained by capacity and distance restrictions. The problem is formulated as an integer linear program. It is then solved by a branch and bound algorithm which exploits the unimodular structure of the subproblems. Computational results are reported.
引用
收藏
页码:469 / 481
页数:13
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