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Mathematical Model and Algorithm for the Reefer Mechanic Scheduling Problem at Seaports

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  • Jiantong Zhang
  • Yujian Song

Abstract

With the development of seaborne logistics, the international trade of goods transported in refrigerated containers is growing fast. Refrigerated containers, also known as reefers, are used in transportation of temperature sensitive cargo, such as perishable fruits. This trend brings new challenges to terminal managers, that is, how to efficiently arrange mechanics to plug and unplug power for the reefers (i.e., tasks) at yards. This work investigates the reefer mechanics scheduling problem at container ports. To minimize the sum of the total tardiness of all tasks and the total working distance of all mechanics, we formulate a mathematical model. For the resolution of this problem, we propose a DE algorithm which is combined with efficient heuristics, local search strategies, and parameter adaption scheme. The proposed algorithm is tested and validated through numerical experiments. Computational results demonstrate the effectiveness and efficiency of the proposed algorithm.

Suggested Citation

  • Jiantong Zhang & Yujian Song, 2017. "Mathematical Model and Algorithm for the Reefer Mechanic Scheduling Problem at Seaports," Discrete Dynamics in Nature and Society, Hindawi, vol. 2017, pages 1-13, March.
    • Handle: RePEc:hin:jnddns:4730253
    DOI: 10.1155/2017/4730253
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