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A Mesoscopic Approach to the Simulation of Logistics Systems

机译：介观的物流系统仿真方法

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摘要

This paper presents a mesoscopic simulation approach in addition to the prevailing continuous and discrete event simulation approaches used for logistics systems. In terms of level of detail, the mesoscopic approach falls between these two approaches. Mesoscopic models represent logistics flow processes through piecewise constant flow rates. The resulting linearity of the cumulative flows allows for event scheduling and the use of mathematical formulas for recalculating the system's state variables at every simulation time step. The simulation time step is variable and the step size depends on the occurrence of scheduled events. This leads to a high computational performance. The mesoscopic approach distinguishes between different parallel product types. The modeling components are multichannel funnels, delays, assemblies and disassemblies.
机译：除了流行的用于物流系统的连续和离散事件模拟方法外，本文还提出了介观模拟方法。就详细程度而言，介观方法介于这两种方法之间。介观模型通过分段恒定流率表示物流流过程。累积流的线性结果允许事件调度，并可以使用数学公式在每个模拟时间步长重新计算系统的状态变量。模拟时间步长是可变的，步长取决于计划事件的发生。这导致较高的计算性能。介观方法区分了不同的并行产品类型。建模组件是多通道漏斗，延迟，装配和拆卸。

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