第三方物流分包商选择双层规划模型  

A Third Party logistics' Subcontract Supplier Selection Model based on the Bi-level Programming

作　　者：郭梅[1] 朱金福[2] 

机构地区：[1]江苏大学工商管理学院,江苏镇江212013 [2]南京航空航天大学民航学院,江苏南京210016

出　　处：《系统工程》2008年第3期22-27,共6页Systems Engineering

摘　　要：为了使第三方物流企业在物流业务分包时不仅能降低分包费用,并且能逐渐提高服务质量,提出了双层规划模型描述了第三方物流企业与分包商之间的博弈关系,其中上层规划以第三方物流企业总分包费用最小为目标,下层规划以分包商服务质量最大为目标,引入"综合表现度"概念衡量分包商的服务质量,并基于模糊粗糙集约简出影响分包商服务质量的真实因素,计算出影响因素的权重,由此确定出分包商的综合表现度。设计了处理所有约束和下层规划目标函数的算法规则,并基于遗传算法对分包商选择的双层规划模型求解。最后,利用一个简单的实例进行试验,结果分析和比较表明,当分包商选择是长期的且分阶段多次进行时,该双层规划模型能很好的激励分包商提高服务质量,降低分包价格。In order to reduce the subcontract cost and improve third party logistics enterprise＇ s service quality gradually, a bi-level programming model to describe the game relationship between third party logistics enterprise and subcontract supplier is put forward, its upper-level objective function is to determine subcontract total cost which should be minimized, its lower-level objective function is subcontract supplier＇s total service quality which should was maximized. A concept on measuring subcontract supplier＇s service quality was presented as ＂synthetically expressive degree＂. Then true influencing factors and their weights were gained by reducing all influencing factors based on fuzzy-rough .set. According to true influencing factors＇s weights, we can calculable synthetically expressive degree of each subcontract supplier. A genetic algorithm to snive snodel was proposed, a rule of dealing with all constraints and lower-level objective function were designed and applied to the genetic algorithm. Finally, a simple simulation application was illustrated, by analyzing and comparing of the result, when subcontract supplier selection is long-term and it is carried out repetitiously, the method is good at inspiriting subcontract supplier to cut down price and improved service quality at the same time.

关 键 词：分包商选择 双层规划 粗糙集 遗传算法 

分 类 号：F274[经济管理—企业管理]