期刊
INTERNATIONAL JOURNAL OF PRODUCTION RESEARCH
卷 61, 期 10, 页码 3205-3226出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/00207543.2022.2078747
关键词
Order batching; order picking; picker routing; metaheuristics; warehouse operations management
This study proposes an integrated solution approach to handle dynamic order arrivals in warehouses and emphasizes the importance of anticipating future order arrivals to maintain high customer service levels. A new large neighbourhood search algorithm is developed to solve the online, integrated batching, routing and scheduling problem, outperforming the current state-of-the-art static solution algorithm. Experimental results provide insights on the particularity of this online, integrated problem, enabling companies to operate efficiently without compromising customer satisfaction.
To remain competitive in the current e-commerce environment, warehouses are expected to handle customer orders as efficiently and quickly as possible. Previous research on order picking in a static context has shown that integrating batching, routing and scheduling decisions leads to better results than addressing these planning problems individually. In this study we propose an integrated solution approach that is able to deal with dynamic order arrivals, a problem often encountered in practice. Furthermore, we demonstrate the need to anticipate on future order arrivals to keep customer service levels high. We develop a new large neighbourhood search algorithm to solve the online, integrated batching, routing and scheduling problem. First, the algorithm is shown to outperform the current state-of-the-art static solution algorithm. Next, we develop an experimental design based on real-life data, to test the applicability of the model in different settings. The results of this experimental design are used to obtain insights on the particularity of this online, integrated problem. The effect of several real-life characteristics is demonstrated by using an ANOVA, leading to several managerial insights that may help companies to operate efficiently without jeopardising customer satisfaction.
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