Quantitative controlling approach of time synchronicity in convergent supply processes

Quantitative controlling approach of time synchronicity in convergent supply processes
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聚合供应过程时间同步性的定量控制方法

DOI:
10.1007/s11740-016-0671-x
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发表时间:
2016
期刊:
Production Engineering
影响因子:
--
通讯作者:
Nyhuis
Nyhuis
中科院分区:
--
文献类型:
--
作者:
Rochow;Nyhuis

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控制装配供应流程的时间同步性需要定量措施。现有的控制工具——供应图——已经提供了评估供应状况的有效方法。它包含不同的关键数据,可以评估公司的供应流程协调。然而,它缺乏描述时间同步性水平的关键数字。因此,不可能对改善供应过程中的时间同步性的行动进行定量评估。基于现有的近似完成完整装配订单的方法,本文提出了描述时间同步性水平的关键指标:同步性因子。由于这一新的关键数字取决于所考虑的时间段内一个装配订单所需的部件的平均数量,因此第二个衡量标准(相对同步系数)说明了这一数字,因此可用于比较不同的时间段。由于同步性因子的数值计算是一个复杂的问题,因此研究了应用简单的爬山算法来准确确定特定供应情况的同步性因子的可能性。
Controlling the time synchronicity of supply processes for assembly requires a quantitative measure. An existing controlling instrument, the supply diagram, already provides an effective way of assessing the supply situation. It incorporates different key figures which allow for an evaluation of a company’s supply process coordination. However, it lacks a key figure for describing the level of time synchronicity. Therefore, a quantitative evaluation of actions to improve the time synchronicity in supply processes is not possible. Based on an existing approach of approximating the completion of full assembly orders, a key figure for describing the level of time synchronicity is developed in this article: the synchronicity factor. As this new key figure is dependent on the average number of components required for one assembly order for the regarded time period, a second measure, the relative synchronicity factor, accounts for this number and can thereby be used to compare different time periods. As the numerical calculation of the synchronicity factors is a complex problem, the possibility of applying a simple hill climbing algorithm to accurately determine the synchronicity factor for a certain supply situation is examined.
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