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TitleA formal approach for safe controllers analysis
Author(s)Borges, Paulo
Machado, José Mendes
Seabra, Eurico
Lima, Mário
KeywordsSafe controllers
Real-time systems
Embedded systems
Formal verification
Specification formalisms
Issue date2010
PublisherCefin Publishing House
JournalRomanian Review Precision Mechanics, Optics and Mecatronics
Abstract(s)Formal verification of real-time systems software is a complex and hard task, for several reasons. There are multiple works developed in the domain of formal verification of real-time systems behavior by model-checking, and some software tools were developed for this purpose. One of the most complex problems to be solved in the analysis of real-time controllers is the conversion of controllers programming languages in formal languages, for instance finite timed automata, in order to be used as inputs of the existing model-checkers. If the methodology of programming is well developed and known, this task can be improved in order to improve safety and reliability of the obtained controllers. Moreover, most real-time systems (especially embedded systems that we intend to study) are programmed in C language. This paper aims to establish the methodology of creating C code programs, from SFC specification formalism, taking into account the formal verification of desired properties for the system behavior, using the Model-Checking technique and the model-checker UPPAAL.
TypeConference paper
AccessOpen access
Appears in Collections:DEM - Artigos em revistas de circulação internacional com arbitragem científica

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