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物流系统出库行为动力学的统计特征分析 被引量:3

The Study of Behavior Dynamics of Large Logistics System Based On Time Scaling Law
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摘要 首先对某大型物流基地产品出库的间隔分布进行分析,发现物流基地内各不同仓库的钢材产品出库间隔均具有显著阵发特征,出库时间间隔较为一致地服从幂指数为2.5的幂律分布,而个体的出库行为则不具有阵发特征。进一步地,对物流系统的阵发特征产生机理,物流系统的节假日及内部作业等问题进行探讨。最后,利用重极标差方法,发现物流系统产品出库量普遍服从分形布朗运动,HURST指数大于0.5。结果表明物流基地的产品出库量不仅受当前市场价格的引导,且具有长记忆性,与过去的出库量密切相关。 In the paper, we firstly fi in the large scale logistics base is c follow the power-law distribution w the group behaviors, the individual Further, we discuss the burst mech ling. Finally, the paper uses the R/S method to analyze the amount of the warehouse-out and finds it obey fractional Brownian motion. The Hurst over 0.5 means that the present warehouse out of the logistics base is not only affected by the market price, but also related to the amount of the past accumulated amount.
作者 姚灿中
出处 《复杂系统与复杂性科学》 EI CSCD 北大核心 2014年第4期80-86,共7页 Complex Systems and Complexity Science
基金 国家自然科学基金(71201060) 教育部高校博士点基金(20120172120051) 教育部人文社会科学研究青年基金(11YJCZH211) 中央高校基本科研业务费(2013ZM0117)
关键词 幂律分布 阵发 物流系统 出库 power-law distribution burst logistics system warehouse-out
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参考文献12

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