A Simulated Annealing Based Algorithm for the Hub Location Problem 陳柳勳、吳泰熙
E-mail: 9315372@mail.dyu.edu.tw
ABSTRACT
The location of hub facilities is fundamental to the design of a “hub-and-spoke network”, as it greatly affects the total transportation costs of system. Hub is a special type of facility, which is designed to act as switching point for internal flows of a network. The problem is to determine the optimal location for the hubs and the assignments of the nonhubs to hubs that minimizes the overall transportation cost. Due to its characteristics of NP-Complete, it is difficult to obtain optimal solution within an
acceptable amount of time. In this study we consider both single and multiple allocation hub location problems. A hybrid heuristic algorithm based on the SAHUB, combining with simulated annealing(SA) and Tabu list, is developed. During the research, the parameters used in the heuristics that affect the solution quality and efficiency are analyzed and designed with a good parameter setting suggested. The SAHUBR algorithm presented in this study compares favorably with the computational results obtained from the literature. Experimental results indicate that SAHUBR is capable of obtaining good solutions in a very small amount of time.
Keywords : Hub locationproblem
Table of Contents
目 錄 封面內頁 簽名頁 授權書...iii 中文摘 要...iv 英文摘
要...v 誌 謝...vii 目 錄...viii 圖目 錄...xi 表目 錄...xii 第一章 緒 論...1 1.1 研究背景與動
機...1 1.2 研究目的 …2 1.3 研究假設 3 1.4 研究方法與架構 3 1.4.1 研究方法 4 1.4.2 研究架構 5 第二章 文獻探討 6 2.1 轉接點位置問題 6 2.2 轉接點位置問題之文獻回顧 9 2.3 SAHUB演算法 10 2.3.1 起始解 11 2.3.2 移步策略 12 第三章 轉接點位置問題之求解 19 3.1 SAHUBR演算法－起始解 19 3.2 SAHUBR演算法－移步策略 21 3.3 SAHUBR演算法 24 3.4 SAHUBR演算法參數設定及收斂準則 28 第四章 結果分析 30 4.1文獻例題介紹 30 4.2 實驗數據與參 數設定 31 4.2.1實驗數據 31 4.2.2 SAHUBR之參數設定 32 4.3 SAHUBR演算法參數分析 33 4.4 SAHUBR演算法與SAHUB之 起始解結果比較分析…39 4.5 SAHUBR演算法與文獻演算結果比較分析 42 第五章 結論與建議 45 5.1 研究總結 45 5.2未來 研究建議 46 參考文獻 47 附錄一 文獻例題最佳解 51 附錄二 SAHUBR求解單一分派之CAB例題 57 附錄三 SAHUBR求解單 一分派之AP例題 64 附錄四 SAHUBR求解單一分派之 67 附錄五 SAHUBR求解多重分派之CAB例題 68 附錄六 SAHUBR求 解多重分派之AP例題 75
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