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題 名 | A Heuristic Algorithm for the Pickup and Delivery Vehicle Routing Problem with Outside Carrier Selection=以自有車輛收送貨或委託貨運公司服務之啟發式演算法 |
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作 者 | 朱經武; 張國強; | 書刊名 | 國立臺灣海洋大學海運學報 |
卷 期 | 22:1 2013.06[民102.06] |
頁 次 | 頁1-36 |
分類號 | 494.57 |
關鍵詞 | 收送貨車輛途程問題; 運送者選擇; 啟發式演算法; 0-1整數規劃; 物流; Vehicle routing problem with pickup and delivery; Carrier selection; Heuristics; 0-1 integer programming; Logistics; |
語 文 | 英文(English) |
中文摘要 | 收送貨車輛途程問題是一項很重要的實務問題,因為運輸成本在運銷各項成本中所佔之比例很高。在實際生活中,由於需求具有不確定性,所以當需求量大於業者本身車隊的容量時,業者必須考慮將過剩的需求委託貨運公司運送。如能選擇一合適的運輸方式或業者運送貨物對公司非常重要,因為將可節省龐大之運輸成本。本研究以單一配送中心為研究對象,在配送中心擁有不同車種之情境下,發展一整合選擇貨運公司服務與規劃自有車輛同時收送貨之啟發式演算法,協助運銷管理者解決問題。結果顯示,本研究所發展之啟發式演算法求解效率與精確度均十分良好。 |
英文摘要 | The Vehicle Routing Problem with pickup and delivery is an important and practical problem for logistics managers. In reality, when facing fluctuations of demand, logistics managers may consider using an outsider carrier to satisfy partial customer demand when the customer demand is greater than the total capacity of owned trucks during the peak season. That is, the logistics managers must make a selection between a truckload (a private truck) and a less-than-truckload carrier (an outside carrier). Selecting the right mode to transport a shipment may bring significant cost savings to the company. In this paper, we address the problem of routing a fixed number of trucks with limited capacity from a central warehouse to customers with known demand and supply. A heuristic algorithm is developed for routing the private trucks with simultaneous pickups and deliveries and for the selection of less-than-truckload carriers by minimizing the total cost function. Computational results and suggestions for future research are presented. |
本系統中英文摘要資訊取自各篇刊載內容。