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Michaël PETIT: PhD Thesis


Title

Formal Requirements Engineering of Manufacturing Systems : A Multi-Formalism and Component-Based Approach, Octobre 1999

Supervisor

Eric Dubois

Abstract

In this thesis, we propose a framework for modeling requirements of manufacturing  systems (MS). This framework is intended to help MS engineers  to perform their modeling tasks in today's ever-changing environment. It relies on two major ideas: a multi-formalism  approach, combining several languages into a coherent formalism, and a component-based modeling approach, arguing  that models of manufacturing systems could be build partly by assembling and customizing reusable model components.
A multi-formalism approach consists in using several formalisms to create a model of a single system. The motivation for the multi-formalism approach is that each modeling languages used is partially different from the others and has its own flaws and strengths.
The modeling framework proposed combines the Albert II, i* and CIMOSA languages. Albert II is a formal agent-oriented language for modeling the requirements of real-time distributed systems. CIMOSA is a language dedicated to manufacturing systems and covers many aspects of these  systems. i* is a framework aimed at the modeling of rationales underlying organizational structures. The combination of languages yields a more expressive, more natural and more precise formalism.
The combination is achieved through meta-modeling and the definition of a set of mapping rules that establish a correspondence among some of the concepts of the three formalisms. Guidelines on how to apply these rules in order to enhance models are provided.
The framework is also component-based since it provides a number of patterns for modeling the requirements of MS. Each of them is structured as a set of classes that have relationships with each other and with classes from other patterns. They can be reused and customized for the application at hand.
Patterns are first expressed independently of Albert II, i* and CIMOSA. A set of mapping rules similar to those between languages are defined to obtain a corresponding model in Albert II, i* and CIMOSA.
Patterns proposed include a pattern for Parts, for special classes of manufacturing Functions, for very simple Control strategies, for Manufacturing Goals and for manufacturing active Entities (agents).

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Last updated: January 9th, 2002.