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arXiv 0901.4272cs.ITmath.IT
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流水货架自动化立体仓库的动态控制

Dynamic Control of a Flow-Rack Automated Storage and Retrieval System

Khalid Hachemi, Hassane. Alla

摘要:

在本文中,我们提出了一种控制方案的基础上着色Petri网(CPN)的流动货架自动化存储和检索系统。采用有色Petri网对自动化立体仓库进行建模,并利用该模型对货架状态进行捕获和提供。我们在控制系统中引入了一个优化模块作为决策过程,该决策过程在离散事件时间尺度上执行实时优化。其目标是通过最小化一批请求的检索周期的总数来为检索请求找到bin位置,从而增加系统吞吐量。该方法通过求解优化模型,根据客户需求和货架状态,给出了最佳的回收仓位置,即在满足客户需求的同时,实现回收周期最少。

英文摘要:

In this paper we propose a control scheme based on coloured Petri net (CPN) for a flow-rack automated storage and retrieval system. The AS/RS is modelled using Coloured Petri nets, the developed model has been used to capture and provide the rack state. We introduce in the control system an optimization module as a decision process which performs a real-time optimization working on a discrete events time scale. The objective is to find bin locations for the retrieval requests by minimizing the total number of retrieval cycles for a batch of requests and thereby increase the system throughput. By solving the optimization model, the proposed method gives according to customers request and the rack state, the best bin locations for retrieval, i.e. allowing at the same time to satisfy the customers request and carrying out the minimum of retrieval cycles.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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