Revision as of 12:59, 14 October 2020

Abstract

Aspects of a draft version of the Aeronautical Telecommunications Network (ATN) Standards and Recommended Practices (SARPs) under development by ISO-compliant committees of the International Civil Aviation Organization (ICAO) have been mathematically modelled using a formal description technique. The ATN SARPs are a specification for a global telecommunications network for air traffic control systems. A version of Harel’s statecharts formalism embedded within a machine readable typed predicate logic has been used as a formal description technique to construct this mathematical model. Our model has been `typechecked’ to partially validate the internal consistency of the specification. The work described in this paper has already uncovered some problems in the draft SARPs, and will provide a basis for follow-on efforts to apply formal analysis methods such as model-checking and symbolic execution to aspects of the ATN SARPs. The success of this approach suggests that typed predicate logic is useful as a syntactic and semantic foundation for specialized Formal Description Techniques (FDTs).

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• https://link.springer.com/content/pdf/10.1007%2F978-0-387-35271-8_26.pdf