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Toward process control from formal models of transformable manufacturing systems

Bakker, Otto Jan; Chaplin, Jack C.; de Silva, Lavindra; Felli, Paolo; Sanderson, David; Logan, Brian; Ratchev, Svetan

Authors

Otto Jan Bakker otto.bakker@nottingham.ac.uk

Jack C. Chaplin Jack.Chaplin@nottingham.ac.uk

Lavindra de Silva Lavindra.Desilva@nottingham.ac.uk

Paolo Felli Paolo.Felli@nottingham.ac.uk

David Sanderson David.Sanderson@nottingham.ac.uk

Brian Logan bsl@cs.nott.ac.uk

Svetan Ratchev svetan.ratchev@nottingham.ac.uk



Abstract

The automation and flexibility of production systems is a key step towards improved profitability and competitiveness in high labour cost areas, when producing high-complexity, low-volume products. In the Evolvable Assembly Systems (EAS) project, the ‘manufacturability’ (or ‘realisability’) and ‘control’ algorithms were introduced to accommodate the batch-size-of-one production of highly customisable products. These algorithms enable checking whether a production line can manufacture a given product with its available set of resources, and how the product should be manufactured, e.g. which resources to use, and when. To this end, the authors formally define production recipes, which represent products, and manufacturing resources which make up a manufacturing facility. This paper re-defines these notions in the ISO-standard EBNF (Extended Backus-Naur Form) notation, and adapts the manufacturability and control algorithms to accommodate the new definitions. The new algorithms and data structures reflect more closely the ones that are used in an implemented software tool. This paper also reports a method by which recipes and resources could be used to generate manufacturing process controllers in the Business to Manufacturing Markup Language (B2MML) standard. In doing so, this paper takes a step toward a complete path from the formal specification of a manufacturing facility and the products to be manufactured, to the automatic generation of executable process plans.

Journal Article Type Article
Journal Procedia CIRP
Print ISSN 2212-8271
Electronic ISSN 2212-8271
Publisher Elsevier
Peer Reviewed Peer Reviewed
APA6 Citation Bakker, O. J., Chaplin, J. C., de Silva, L., Felli, P., Sanderson, D., Logan, B., & Ratchev, S. (in press). Toward process control from formal models of transformable manufacturing systems. Procedia CIRP, ISSN 2212-8271
Keywords Evolvable Assembly Systems; Controller Synthesis; Standardisation
Copyright Statement Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by-nc-nd/4.0
Additional Information

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