Order processing task allocation and scheduling for E-order fulfilment

Nan Chen, Wenxuan Kang, Ningxuan Kang, Yongzhi Qi and Hao Hu

International Journal of Production Research, 2022, vol. 60, issue 13, 4253-4267

Abstract: This paper mainly studies a task allocation and scheduling problem in the multi-thread fulfilment process of electronic order, which seeks to minimise the makespan under thread constraints and order precedence constraints. The problem is formulated as a Mixed Integer Programming (MIP) model and a novel depth-first heuristic is proposed to solve it. The depth-first heuristic shows high effectiveness and efficiency, compared with the current policy and the genetic algorithm in both small/medium-scale and large-scale cases from the real transaction data. In addition, two extensions on precedence constraint reduction and resource allocation are discussed to further improve and manage the e-order fulfilment process.

Date: 2022
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DOI: 10.1080/00207543.2021.2018140

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