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Event Triggered Simulation of Push and Pull Processes

Authors:
Stefan Haag
Lara Zakfeld
Carlo Simon
Christian Reuter

Keywords: Conceptual models of timed dynamic systems; Simulation; Petri nets; Logistics; Teaching

Abstract:
The development of conceptual models relies on a proper modeling language, the existence of a beneficial tool, and knowledge about modeling techniques. The authors use Petri nets as their preferred modeling language for decades, because Petri net models are illustrative and can be executed or simulated, respectively. However, since most of the Petri net tools that have been developed in the past are no longer executable, they developed a novel, web-based Petri net modeling and simulation environment called Process-Simulation.Center (P-S.C). It facilitates the definition of individual data objects as tokens such that data-driven process simulations can be conducted within the tool. In the process, the authors realized the absence of a general modeling technique for the definition of such models. Generally, two different approaches exist: a clock-pulse simulation where the state of the modeled system is simulated for each point in time and an event triggered simulation that calculates new states only for those moments the system state changes. At the example of teaching in a logistics laboratory, this paper demonstrates how event triggered simulation models can be developed and how they have to be interpreted. Concretely, the consequences of switching logistics processes from push to pull principles are considered concerning the storage costs.

Pages: 68 to 73

Copyright: Copyright (c) IARIA, 2020

Publication date: October 18, 2020

Published in: conference

ISSN: 2308-4537

ISBN: 978-1-61208-831-0

Location: Porto, Portugal

Dates: from October 18, 2020 to October 22, 2020