B‐RAIL: UML to B Transformation in Modeling a Level Crossing

This chapter considers level crossings, which constitute a critical sub‐system. It proposes a modeling methodology based on the pairing of a semi‐formal method, unified modeling language (UML), and a formal method, the B method, to provide the rigor needed when designing critical systems. The chapte...

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Vydané v:Formal Methods Applied to Complex Systems: Implementation of the B Method s. 299 - 348
Hlavný autor: Boulanger, Jean‐Louis
Médium: Kapitola
Jazyk:English
Vydavateľské údaje: Hoboken, NJ, USA John Wiley & Sons, Inc 26.06.2014
Predmet:
B method
B‐RAIL
formal method
level crossings
UML notation
unified modeling language (UML)
ISBN:1848217099, 9781848217096
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Shrnutí:This chapter considers level crossings, which constitute a critical sub‐system. It proposes a modeling methodology based on the pairing of a semi‐formal method, unified modeling language (UML), and a formal method, the B method, to provide the rigor needed when designing critical systems. The chapter begins with a brief presentation of the issues associated with level crossings, and a rapid presentation of UML notation. It covers the different stages of our methodology point by point. The chapter highlights three considerations: risk analysis during the system design phase allows us to guarantee traceability throughout the whole process; UML notation is suitable for use in formalizing complex systems and for safety requirements; the importance of highlighting requirements and traceability throughout the production cycle. The aim of the B‐RAIL project is to define a methodology for the development of rail transport systems.
ISBN:1848217099
9781848217096
DOI:10.1002/9781119002727.ch11