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|Title: ||Coalition based approach for shop floor agility – a multiagent approach|
|Authors: ||Oliveira, José António Barata de|
|Advisor: ||Matos, Luís|
|Issue Date: ||2003|
|Publisher: ||FCT - UNL|
|Abstract: ||This thesis addresses the problem of shop floor agility. In order to cope with the disturbances and uncertainties that characterise the current business scenarios faced by manufacturing companies, the
capability of their shop floors needs to be improved quickly, such that these shop floors may be adapted, changed or become easily modifiable (shop floor reengineering).
One of the critical elements in any shop floor reengineering process is the way the control/supervision architecture is changed or modified to accommodate for the new processes and equipment. This thesis,
therefore, proposes an architecture to support the fast adaptation or changes in the control/supervision architecture. This architecture postulates that manufacturing systems are no more than compositions of
modularised manufacturing components whose interactions when aggregated are governed by
contractual mechanisms that favour configuration over reprogramming.
A multiagent based reference architecture called Coalition Based Approach for Shop floor Agility – CoBASA, was created to support fast adaptation and changes of shop floor control architectures with minimal effort. The coalitions are composed of agentified manufacturing components (modules), whose relationships within the coalitions are governed by contracts that are configured whenever a coalition is established. Creating and changing a coalition do not involve programming effort because it only requires changes to the contract that regulates it.|
|Description: ||Dissertation submitted for a PhD degree in Electrical Engineering, speciality of Robotics and Integrated Manufacturing from the Universidade Nova de Lisboa, Faculdade de Ciências e Tecnologia|
|Appears in Collections:||FCT: DI - MA Dissertations|
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