Article Abstract
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Title: |
Design and evaluation of real-time distributed manufacturing control systems |
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Author: |
Martyn Fletcher, Robert W. Brennan, Scott Olsen, Douglas H. Norrie 
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Address: |
Agent Oriented Software Limited, Mill Lane, Cambridge CB2 1RX, UK. ' Department of Mechanical and Manufacturing Engineering, University of Calgary, 2500 University Drive, NW, Calgary, Alberta T2N 1N, Canada. ' Department of Mechanical and Manufacturing Engineering, University of Calgary, 2500 University Drive, NW, Calgary, Alberta T2N 1N, Canada. ' Department of Mechanical and Manufacturing Engineering, University of Calgary, 2500 University Drive, NW, Calgary, Alberta T2N 1N, Canada |
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Journal: |
International Journal of Manufacturing Technology and Management 2006 - Vol. 8, No.1/2/3 pp. 264 - 282 |
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Abstract: |
In this paper, we describe two general models for designing real-time distributed manufacturing control systems based on the IEC61499 (function block) standard. In order to construct IEC61499 function blocks, each model utilises UML capsules within an object-oriented framework. In the first model we treat a function block as a single capsule, while in the second we model the function block as a component containing multiple capsules. The key difference between these two viewpoints is the granularity of control we have over the function block's operation and its location within the decentralised manufacturing environment. We also evaluate the merits of these two viewpoints using a discrete-event simulation experimental test bed. |
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Keywords: |
real-time control; distributed control; manufacturing control; IEC61499; RT-UML; function blocks; object-oriented modelling; decentralised manufacturing; discrete-event simulation. |
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DOI: |
10.1504/IJMTM.2006.008798 |
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