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TASTD: A Real-Time Extension for ASTD

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Rigorous State-Based Methods (ABZ 2023)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 14010))

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Abstract

In ASTD, real-time models are not natively supported. Real-time requirements are pervasive in many systems, like control systems and cybersecurity. Timed Algebraic State Transition Diagrams (TASTD) is an extension of ASTD capable of specifying real-time models. TASTD gives ASTD the capability to handle time with new algebraic operators. This paper describes the syntax and semantics of these new time operators: delay, persistent delay, timeout, persistent timeout, and timed interrupt. These new time operators are specified using two new operators, persistent guard and interrupt. To illustrate our extension, we present a small case study of a sensor where we want to detect potential anomalies.

Supported by organization Supported by Public Safety Canada’s Cyber Security Cooperation Program (CSCP) and NSERC (Natural Sciences and Engineering Research Council of Canada).

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Authors and Affiliations

  1. Université de Sherbrooke, Sherbrooke, QC, J1K 2R1, Canada

    Diego de Azevedo Oliveira & Marc Frappier

Authors
  1. Diego de Azevedo Oliveira
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  2. Marc Frappier
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Corresponding author

Correspondence to Marc Frappier .

Editor information

Editors and Affiliations

  1. Simon Fraser University, Burnaby, BC, Canada

    Uwe Glässer

  2. University of Minho, Braga, Portugal

    Jose Creissac Campos

  3. Université de Lorraine, Vandoeuvre-lès-Nancy, France

    Dominique Méry

  4. University of Toulouse, Toulouse, France

    Philippe Palanque

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de Azevedo Oliveira, D., Frappier, M. (2023). TASTD: A Real-Time Extension for ASTD. In: Glässer, U., Creissac Campos, J., Méry, D., Palanque, P. (eds) Rigorous State-Based Methods. ABZ 2023. Lecture Notes in Computer Science, vol 14010. Springer, Cham. https://doi.org/10.1007/978-3-031-33163-3_11

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  • DOI: https://doi.org/10.1007/978-3-031-33163-3_11

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-031-33162-6

  • Online ISBN: 978-3-031-33163-3

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