The Multi-Objective Uncapacitated Facility Location Problem for Green Logistics

被引:22
作者
Harris, Irina [1 ]
Mumford, Christine [1 ]
Naim, Mohamed [2 ]
机构
[1] Cardiff Univ, Dept Comp Sci, Cardiff CF24 3AA, S Glam, Wales
[2] Cardiff Univ, Logistics Syst Dynamic Group, Cardiff Business Sch, Cardiff CF10 3AX, S Glam, Wales
来源
2009 IEEE CONGRESS ON EVOLUTIONARY COMPUTATION, VOLS 1-5 | 2009年
基金
英国工程与自然科学研究理事会;
关键词
NETWORKS;
D O I
10.1109/CEC.2009.4983285
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
Traditionally, the uncapacitated facility location problem (UFLP) is solved as a single-objective optimization exercise, and focusses on minimizing the cost of operating a distribution network. This paper presents an exploratory study in which the environmental impact is modelled as a separate objective to the economic cost. We assume that the environmental cost of transport is large in comparison to the impact involved in operating distribution centres or warehouses (in terms Of CO2 emissions, for example). We further conjecture that the whole impact on the environment is not fully reflected in the costs incurred by logistics operators. Based on these ideas, we investigate a number of "what if ?" scenarios, using a Fast Non-Dominated Sorting Genetic Algorithm (NSGA-II), to provide sets of non-dominated solutions to some test instances. The analysis is conducted on both two-objective (economic cost versus environmental impact) and three objective (economic cost, environmental impact and uncovered demand) models. Initial results are promising, indicating that this approach could indeed be used to provide informed choices to a human decision maker.
引用
收藏
页码:2732 / +
页数:2
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