University of St.Gallen
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On the value of location information to lot scheduling in complex manufacturing processes

abstract This research is concerned with the practical use of Real-Time Location Systems (RTLS) in complex manufacturing processes. Starting from the case example of an RFID-based RTLS implementation in a semiconductor fab, we investigate the value of RTLS information on the locations of physical objects in a production system to the problem of efficient job scheduling. For this purpose, we develop a simplified simulation model that captures the main characteristics of the real manufacturing process and propose a set of RTLS-enabled dispatching rules. Our results indicate that the use of RTLS technology provides the opportunity for new levels of process visibility and control in comparison to conventional mate-rial tracking systems. The benefits that can be drawn from the technology not only include an overall acceleration of the existing process but also an additional efficiency gain through novel dispatching rules that take into account real-time information on the logistic processes on the shop floor.
   
type journal paper
   
keywords RFID, Real-Time Location Systems, Semiconductor Manufacturing, Dispatching Heuristics
   
project M-Lab
language English
kind of paper journal article
date of appearance 31-3-2008
journal International Journal of Production Economics
publisher Elsevier
volume of journal 112
number of issue 2
page(s) 532-547
review double-blind review
   
citation Thiesse, F., & Fleisch, E. (2008). On the value of location information to lot scheduling in complex manufacturing processes. International Journal of Production Economics, 112(2), 532-547.