Assessment of fidelity of control-theoretic models of WIP regulation in networks of autonomous work systems

One means of adapting to variation in demand is making capacity flexible so that work in progress (WIP) can be regulated; however, this can significantly influence the dynamic behavior of production networks in which there is high local autonomy. Control-theoretic models are a convenient means for i...

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Bibliographic Details
Published in:CIRP annals 2011, Vol.60 (1), p.485-488
Main Authors: Toshniwal, V., Duffie, N., Jagalski, T., Rekersbrink, H., Scholz-Reiter, B.
Format: Article
Language:English
Subjects:
Applied sciences
Computer science
control theory
systems
Computer systems and distributed systems. User interface
Control
Dynamics
Exact sciences and technology
Inventory control, production control. Distribution
Operational research and scientific management
Operational research. Management science
Production
Simulation
Software
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Summary:One means of adapting to variation in demand is making capacity flexible so that work in progress (WIP) can be regulated; however, this can significantly influence the dynamic behavior of production networks in which there is high local autonomy. Control-theoretic models are a convenient means for investigating and designing the dynamics of such networks, but the fidelity of these models is not well understood. In this paper, results obtained using discrete-event simulations are used to assess the control-theoretic approach, providing evidence that fidelity varies depending upon factors such as WIP level and the magnitude of capacity adjustments.
ISSN:0007-8506
DOI:10.1016/j.cirp.2011.03.045