开放型设施定位问题的理论模型和应用

A study on the theoretic model and application for solving open facility location problem

目的建立一种开放型设施定位模型,解决实际公路运输中的站场规划问题。方法运用系统工程的方法,结合实际的站场规划背景,对普通的设施定位问题进行拓展和改进,给出求解模型的符号编码遗传算法设计。结果将所建模型和算法运用到实际工程问题的求解中,并基于求解运算,对模型中的关键参数进行了了简单讨论。结论所提出的模型及算法更加合理、实用,对城市交通系统的建立和研究具有一定的参考价值。

Aim To solve the actual location problem in road transportation,and build a type of open facility location model.Methods First,much improvement for the common facility location problem has been made.Then,genetic algorithms using symbolic coding is proposed to solve this model.Results The model and algorithms are applied to a government-funded traffic project.Based on the calculation results,some analysis about the parameters of the model and the algorithms design are carried out.Conclusion Results show that the model is logical and feasible.Some conclusions and relational expressions are gotten,which has some merits in the field of setting up or applying city transportation system.