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A decentralized control architecture for computer integrated manufacturing systems

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2 Author(s)
Jones, A. ; Nat. Inst. of Stand. & Technol., Gaithersburg, MD, USA ; Saleh, A.

A shop floor control architecture for CIM (computer-integrated manufacturing) which combines concepts from multilayer and multilevel control theory is described. This architecture distributes both decision-making and control, requires each module to work on many jobs simultaneously and provides for structured negotiations between supervisors and subordinates. Each module within the architecture is a multilayer controller performing the functions of adaptation, optimization and regulation. The architecture is based on theoretical results from mathematics and engineering which have been implemented for other dynamic, stochastic systems. This approach maximizes the benefits and eliminates the weaknesses of existing hierarchical and heterarchical control implementations. It is also superior to existing methodologies such as MRP because it localizes the impact of disturbances to the extent possible

Published in:

Intelligent Control, 1989. Proceedings., IEEE International Symposium on

Date of Conference:

25-26 Sep 1989