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首页> 外文期刊>International journal of management science and engineering management >Capacity selection for hubs and hub links in hub location problems
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Capacity selection for hubs and hub links in hub location problems

机译：集线器位置问题中集线器和集线器链接的容量选择

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Hub location problems occur mainly in transportation and telecommunications networks. A hub is a transfer point at which either traffic from several origins is added up and forwarded to another hub, or disaggregated into several streams that are forwarded to their destinations. The hub location problem is concerned with locating hub facilities and allocating demand nodes to hubs in order to route the traffic between origin-destination pairs. In this research, a hub network with capacity constraints on the hubs and hub links (i.e. links which connect hubs to each other) is considered. These capacities are multilevel capacities, so hubs and hub links should take a capacity among a set of capacities. In real-world examples, such as designing a transportation network, the costs of establishing hubs and hub links are momentous in the decision making process. Consequently, as the capacity is used more, the costs of using hubs and hub links increase. In this research, a formulation is presented for the proposed model and its computational results are compared with single-level capacity problems.
机译：集线器位置问题主要发生在运输和电信网络中。集线器是一个中转站，来自多个源的流量将被加总并转发到另一个集线器，或者分解为多个流再转发到目的地。集线器位置问题与定位集线器设施和向集线器分配需求节点有关，以便在始发地-目的地对之间路由通信。在本研究中，考虑了对集线器和集线器链接（即将集线器彼此连接的链接）具有容量限制的集线器网络。这些容量是多级容量，因此集线器和集线器链接应该在一组容量中占据一个容量。在实际示例中（例如设计交通网络），在决策过程中建立枢纽和枢纽链接的成本是巨大的。因此，随着容量的更多使用，使用集线器和集线器链接的成本会增加。在这项研究中，为提出的模型提出了一个公式，并将其计算结果与单级容量问题进行了比较。

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