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This paper studies the loading problems of Multi-category Goods under the limited loading capacity. According to the characteristics of model, hybrid heuristic algorithm is used to get the optimization solution. Firstly, adopt binary code so as to make the problem more succinctly. On the basis of cubage-weight balance algorithm, construct initial solution to improve the feasibility. Through adopting...
This paper studies multi-vehicle and multi-cargo loading problem under the limited loading capacity. According to the characteristics of model, hybrid heuristic algorithm is used to get the optimization solution. Firstly, adopt hybrid coding so as to make the problem more succinctly. On the basis of cubage-weight balance algorithm, construct initial solution to improve the feasibility. Secondly, adopt...
According to the characteristics of multi-variety and freight loading problems with priority, establish target function fully utilizing capacity and cubage of loading tools. And solve this type of problems utilizing improved hybrid genetic algorithm from the overall situation. Firstly, adopt binary code so as to make the problem more succinctly. On the basis of cubage-weight balance algorithm, construct...
The design of distribution networks is one of the most important problems in supply chain and logistics management. The main elements in designing a distribution network are location and routing decisions. As these elements are interdependent in many distribution networks, the overall system cost can decrease if location and routing decisions are simultaneously tackled. In this paper, we consider...
Considering many constraints in practical application of container ship, a hybrid genetic algorithm for the optimized cargo stowage problem with a variety of goods in a single container was presented. Firstly this paper presents a mathematical model for the cargo stowage problem, then, describes the solving method of hybrid a genetic algorithm in detail. It could avoid the Genetic Algorithm's precocity...
The traditional vehicle scheduling is not easy to satisfy with the real demand of logistics distribution under electronic commerce. Therefore, according to the particularity of logistic distribution under electronic commerce, multi-depot vehicle routing problem with time windows model is built. For MDVRPTW is NP puzzle, the improved Two-Phase Algorithm needs to be adopted to get solutions. Namely,...
Coordinating are one core problem of supply chain management research field. Supply chain integrated planning is one important measure to realize coordination between supply chain members. The state-of-the-art researches mainly emphasize on two-level supply chain architecture, but about multi-level one is still very lack. In the article the problem of integrated planning of three-level supply chain...
Inventory redistribution and emergency replenishment in supply chains have long been studied in various contexts. From our strategic perspective, both systems can be used alternatively to cope with product shortages in a supply chain, especially for situations where high shortage costs are involved. In this paper, we present an incorporated scheme of lateral transshipments and emergency orders in...
Based on the logistics nodes system consisting of first-degree logistics node (logistics park) secondary logistics nodes (including logistics center and distribution center), a dynamic logistics nodes location model of multi-period , multi-type cargo flow and multiple logistics nodes is given. The optimization model considers the factors including fixed cost for logistics opening, handling cost and...
The author built the mathematics model for the concluded distribution modes based on the previous domestic and international research. The stress of the paper is on how to arrange the vehicle routes of single depot and multiple customers. The paper improves the basic genetic algorithm and put forward the improved hybrid genetic algorithm which enlarges the selection solution space and combines the...
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