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研究生: 德温
Devin - Meidya Fonda
論文名稱: 基植於蟻群最佳化的逆物流管理-以印尼醫療廢棄物回收為例
Reverse Logistics Management Based on the Ant Colony Optimization - A Case Study on Hospital Waste in Indonesia
指導教授: 羅士哲
Shih-Che Lo
口試委員: 林希偉
Shi-Woei Lin
蔡鴻旭
Hung-Hsu Tsai
周正芳
Mabel C. Chou
學位類別: 碩士
Master
系所名稱: 管理學院 - 工業管理系
Department of Industrial Management
論文出版年: 2014
畢業學年度: 102
語文別: 英文
論文頁數: 59
中文關鍵詞: 廢棄物管理逆物流車輛運途問題蟻群演算法掃描法
外文關鍵詞: Waste management, Reverse logistics, Vehicle routing problem, Antcolony optimization, Sweep method
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在避免汙染鄰近的環境中,廢棄物管理是很重要的一環。廢棄物管理有兩大活動,是指從廢棄物出產地,到廢棄物處理場的收集與運送作業。這些活動需要有效且有效率的方法去特別地執行。找尋從每個廢棄物出產地到廢棄物處理場的最短路徑,進而去最小化在廢棄物管理的成本。此類找尋最短路徑的問題可以被視為是車輛運途問題。而在收集與運送廢棄物的個案中,因為有包含廢棄物出產地的廢棄物量與收集廢棄物的車輛數目等等的容量限制,所以此類型的車輛運途問題稱為具容量限制的車輛運途問題。本論文是以印尼雅加達的真實例子為案例,將焦點集中於以醫院為起點的廢棄物收集與運送到以垃圾填埋場為最終處理點的具容量限制的車輛運途問題。
本論文提出了一個結合掃描法與蟻群演算法的混合型演算法,去尋找從醫院到垃圾填埋場的最短路徑之最佳解。我們將所提的混合型演算法與基因演算法做比較,證明了我們所提出的混合型演算法在求解車輛運途問題是可靠的。實驗結果顯示,在求解30個標竿問題上,我們所提的混合型演算法是堅耐、具競爭力且優於基因演算法的。


The waste management is one of important processes to manage wastes to avoid contaminating the surrounding neighborhood. Two main activities in managing wastes is collecting and transporting wastes from the place which produced them to final disposal place called dumping place. These kind of activities need effective and efficient way to be implemented especially in finding the minimum distance from each source of wastes to the final disposal place so it will minimize the cost in the waste management system. Finding minimum distance can be associated as the Vehicle Routing Problem (VRP). In the case of collecting and transporting the wastes, the type of VRP used is called the Capacitated Vehicle Routing Problem (CVRP) because it involves capacity constraint between the amount of wastes of each place and the vehicle used to pick up the wastes. This thesis is based on real case in Jakarta, Indonesia which focuses on the CVRP in picking up and transporting wastes from the hospitals to the landfill as final disposal place.
The hybrid method combining the sweep method and the Ant Colony Optimization (ACO) method is proposed to find the optimal solutions of minimum distance in picking up wastes from the hospitals to the landfill. Comparisons are made between the proposed hybrid method and the Genetic Algorithm (GA) to test that our algorithm is reliable to solve the problem. Experiment results show that the proposed hybrid method was able to find the optimal solution better than the GA for all 30 benchmark problems and also for the real case involving the hospitals in Jakarta, Indonesia. The hybrid method is also robust and competitive over the GA.

摘要 i ABSTRACT ii ACKNOWLEDGEMENTS iii CONTENTS iv LIST OF FIGURES vi LIST OF TABLES vii CHAPTER I INTRODUCTION 1 1.1 Research Motivation 1 1.2 Objectives 3 1.3 Research Structures 4 CHAPTER II LITERATURE REVIEW 6 2.1 The Vehicle Routing Problem (VRP) 6 2.1.1 The Capacitated Vehicle Routing Problem (CVRP) 7 2.2 Methods and Measures to Solve the VRP 8 2.2.1 The Ant Colony Optimization (ACO) 10 2.2.2 The Ant Colony Optimization and the Genetic Algorithm 12 2.3 Background Case 13 2.3.1 The Reverse Logistics 13 2.3.2 The Waste Management System 14 CHAPTER III PROBLEM FORMULATION 16 3.1 Problem Proposition 16 3.2 The Sweep Algorithm 18 3.3 The Ant Colony Optimization Method 21 3.3.1. Route Construction 23 3.3.2. Pheromone Updating 24 3.4 The Genetic Algorithm 24 3.4.1 Crossover 25 3.4.2 Mutation 26 3.5 The Hybrid Method 26 CHAPTER IV COMPUTATIONAL EXPERIMENTS OF BENCHMARK PROBLEMS 28 4.1 Computational Results 28 CHAPTER V COMPUTATIONAL EXPERIMENTS OF HOSPITAL WASTE 32 5.1 Hospital Waste Management System in Jakarta, Indonesia 32 5.2 Computational Results 35 CHAPTER VI CONCLUSIONS AND FURTHER RESEARCH 40 6.1 Conclusions 40 6.2 Further Research 41 REFERENCES 43 Appendix A. The Solution of the Sweep ACO for Instance 12G1 46 Appendix B. The Best Routing Plan of the Sweep ACO for Instance 12G1 47 Appendix C. The Solution of the Sweep ACO for Instance 16G1 48 Appendix D. The Best Routing Plan of the Sweep ACO for Instance 16G1 49 Appendix E. The Solution of the Sweep ACO for Instance 21G1 50 Appendix F. The Best Routing Plan of the Sweep ACO for Instance 21G1 51

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