摘要
农产品上行“最先一公里”的集货问题是乡村经济发展中的重要一环,集货的效率直接影响农产品上行运输的经济成本。针对偏远农户集货成本高、集货不便问题,设计考虑农户协作的运输模式,建立协作距离最小化模型,实现偏远农户的协作匹配。在此基础上,以运输成本、货损成本、协作成本最小化为目标,建立农产品上行集货路径优化模型,并设计改进的节约里程-禁忌搜索算法进行求解。最后,案例分析的结果表明,本文所提出的模型和算法是有效的。
The first-mile pickup of agricultural products is an important part of the rural distribution system,and the pickup efficiency affects the economic cost of agricultural product transportation directly.With the development of social economy,the market has gradually increased the quality requirements of agricultural products,which brings new challenges to agricultural product upstream logistics.In the logistics system of agricultural products in the new era,controlling the cost of collecting goods,improving the efficiency of collecting goods,and reducing the loss of fresh agricultural products in the process of collecting goods will become the key control direction.Under the background of rural revitalization strategy,this study starts from the problem of first-mile pickup of agricultural products,and proposes targeted optimization schemes to improve the efficiency and quality of agricultural products.At present,most of the existing pickup methods are collected for all collection points one by one.However,in areas where agricultural products are grown in scattered areas,the cost of pickup of agricultural products for farmers in remote areas is relatively high,and due to the long transportation distance,the turbulence generated during transportation is likely to lead to a greater loss of the freshness of agricultural products.Therefore,the design considers the transportation mode of farmer cooperation,establishes the cooperation distance minimization model,realizes the cooperation matching of remote farmers,and adopts remote farmers to assist the central cargo collection vehicle for transportation.The cost generated in the process of fresh transportation is usually calculated as the driving cost of refrigerated vehicles,but because fresh agricultural products may be damaged due to vehicle bumps and handling bumps in the transportation process,and time changes,the freshness of fresh agricultural products will also suffer a certain loss,so when calculating transportation costs,the total cost shall include the transpor
作者
葛显龙
杨斯然
GE Xianlong;YANG Siran(School of Economics and Management,Chongqing Jiaotong University,Chongqing 400074,China;Key Laboratory of Intelligent Logistics Network,Chongqing Jiaotong University,Chongqing 400074,China)
出处
《运筹与管理》
CSCD
北大核心
2024年第2期22-28,共7页
Operations Research and Management Science
基金
国家社会科学基金资助项目(19CGL041)。
关键词
生鲜物流
协作运输
匹配问题
车辆路径问题
启发式算法
fresh logistics
cooperative transportation
matching problem
vehicle routing problem
heuristic algorithm
