Integrated dynamic and simulation model on coupled closed-loop workstation capacity controls in a multi-workstation production system

Authors:
Tao Wu;Leyuan Shi;Benjamin Quirt;N. A. Duffie
Affiliations:
University of Wisconsin-Madison, Madison, WI;University of Wisconsin-Madison, Madison, WI;University of Wisconsin-Madison, Madison, WI;University of Wisconsin-Madison, Madison, WI
Venue:
Proceedings of the 40th Conference on Winter Simulation
Year:
2008

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Abstract

In this paper, a dynamic model coupled with a simulation model is introduced to control a multi-workstation production system such that a given performance measure is achieved. In particular, we consider closed loop capacity controls for regulating WIP (Work-in-Process) at individual workstation. The capacity adjustments are consisted of both compensation for local disturbances and predictive control of downstream effects of capacity adjustments make up-stream in the system. Using real data collected from an industrial production system, we are able to demonstrate that our hybrid dynamic and simulation framework can effectively predict lead times associated with each workstation and thus to correctly plan production using a static capacity control system.