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首页> 外文会议>2017 4th International Conference on Industrial Engineering and Applications >Retrieval scheduling for end-of-aisle multi-shuttle automated storage and retrieval systems
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Retrieval scheduling for end-of-aisle multi-shuttle automated storage and retrieval systems

机译：通道末端多班车自动存储和检索系统的检索调度

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摘要

In this paper, a retrieval scheduling problem is considered for an end-of-aisle order-picking system equipped with multi-shuttle storage/retrieval machines. In the system, pallets retrieved by the machine are picked at workstations to fulfill individual orders and then be restored back into the rack. An integer programming model is developed for the problem. Based on the characteristic of the problem, a scheduling heuristic is designed and applied. The performance of different scheduling methods and the impact of system parameters on the computational efficiency are analyzed through numerical experiment. Compared with the First Come First Serve policy, the designed heuristic can achieve an improvement on the total travel time of the storage/retrieval machine. At the same time, the computational time can be substantially reduced compared with that of the adopted optimization solver.
机译：在本文中，考虑了配备多班车存储/检索机器的过道拣货系统的检索调度问题。在该系统中，由机器取回的托盘在工作站被拣选，以满足各个订单的要求，然后又被放回机架中。针对该问题开发了整数编程模型。根据问题的特点，设计并应用了调度启发式算法。通过数值实验分析了不同调度方法的性能以及系统参数对计算效率的影响。与“先来先服务”策略相比，设计的启发式方法可以改善存储/检索机器的总行程时间。同时，与采用的优化求解器相比，计算时间可以大大减少。

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