Modularity measures: Concepts, computation, and applications to manufacturing systems

Modularity measures: Concepts, computation, and applications to manufacturing systems
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模块化措施:概念、计算以及在制造系统中的应用

DOI:
10.1002/aic.16965
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发表时间:
2020
期刊:
影响因子:
3.7
通讯作者:
Zavala, Victor M.
Zavala, Victor M.
中科院分区:
工程技术3区
文献类型:
--
作者:
Shao, Yue;Zavala, Victor M.

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我们提出了一种度量工业生产(制造)系统模块化程度的方法,并提出了计算该方法的优化公式。从制造业的角度来看,我们认为一个系统是模块化的,如果:(a)组成它的设备单元形成密集连接的集群(模块)(即,困难的模块组装任务在现场外执行),(B)模块之间的连接是稀疏的(即,易于在现场执行组装任务),(c)模块数量少,以及(d)模块尺寸便于运输。我们证明了所提出的测度满足这些要求,并且可以通过求解凸混合整数二次规划来计算。我们提供了在不同的科学和工程界使用的替代模块化措施的优点和缺点的讨论。我们的研究结果旨在突出概念和计算的挑战,所产生的需要定义和量化模块化的制造环境。
We propose a measure to quantify the modularity of industrial production (manufacturing) systems and optimization formulations to compute it. From a manufacturing perspective, we argue that a system is deemed modular if: (a) the equipment units that comprise it form clusters (modules) of dense connectivity (i.e., difficult module assembly tasks are performed off‐site), (b) connectivity between modules is sparse (i.e., easy assembly tasks are performed on‐site), (c) the number of modules is small, and (d) the module dimensions facilitate transportation. We show that the measure proposed satisfies these requirements and that it can be computed by solving a convex mixed‐integer quadratic program. We provide a discussion on advantages and disadvantages of alternative modularity measures used in different scientific and engineering communities. Our results seek to highlight conceptual and computational challenges that arise from the need to define and quantify modularity in a manufacturing context.
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