A CSP approach for the network of product lifecycle constraints consistency in a collaborative design context

Authors:
Pierre-Alain Yvars
Affiliations:
LISMMA, Institut Supérieur de Mécanique de Paris, 3 rue Fernand Hainaut, 93407 Saint Ouen Cedex, France
Venue:
Engineering Applications of Artificial Intelligence
Year:
2009

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Abstract

In this paper, we are considering that the design process can be modelled in the form of a constraint satisfaction problem (CSP). CSP modelling or resolution has proved its efficiency within the framework of single-designer design. We propose to extend the functions of CSP to the context of multi-concept design of the same artefact. We define CoCSP as cooperative constraint satisfaction problem including the actors of the design problem. We are presenting the operating principles of an algorithm for the real-time management of design decisions, based on a model described in the form of a CoCSP for the integration of supply-chain constraints. This algorithm enables the number of design decisions rejected at a given moment in design to be kept to a minimum. The algorithm forms the core of a prototype for an unsupervised, generic constraint-based collaborative design system. Our aim is to produce a platform centred on the notion of constraints that will enable a product design problem to be modelled and solved by integrating supply-chain constraints as far upstream as possible.