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Formal Methods for Industrial Applications pp 473–492Cite as

Specifying and verifying the steam boiler control system with Time Extended LOTOS

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Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 1165))

Abstract

The paper presents a specification of the steam boiler system in Time Extended LOTOS as an example to describe real-time, hybrid systems containing parts with discrete and continuous behavior in a time extended process-algebraic formalism.

The specification has been developed in three design steps — the specification of functional behavior in LOTOS, the specification of timed behavior in TE-LOTOS (a time extension of LOTOS), and the specification of data dependencies in TE-LOTOS with Gofer (a functional language). The resulting specification is modular, succinct, and easy to read. Most importantly, it is an implementation-near specification. It offers means for logical reasoning on the system properties, for stepwise refinement, simulation and prototyping of the system.

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References

  1. H. Eertink. Simulation Techniques for the Validation of LOTOS Specifications. PhD thesis, University of Twente, 1994.

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  2. H. Garavel. CADP — The Caesar/Aldebaran Distribution Package. CNRS/IMAG and INRIA, 1995.

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  3. ISO/IEC, Geneva, Switzerland. IS 8807: Information Processing Systems — Open Systems Interconnection — LOTOS — A formal Description Technique based on the temporal Ordering of observational Behaviour, 1988.

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  4. M.P. Jones. GOFER functional programming environment, version 2.28. Report, 1993.

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  5. G. Leduc and L. Leonard. A formal definition of time in LOTOS. Draft version, aug 1994.

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  6. G. Leduc, L. Leonard, D. de Frutos, and J. Quemada. Time extended LOTOS. Revised Working Draft on Extended LOTOS, ISO/IEC JTC1/SC21/WG7, jul 1995.

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  7. LotosPhere project (ESPRIT 2304). LITE — The LOTOS Integrated Tool Environment, 1993.

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Author information

Authors and Affiliations

  1. Dept. of Elect. Eng., Technical University Berlin, Berlin, Germany

    Andreas Willig

  2. GMD Fokus, Berlin, Germany

    Ina Schieferdecker

Authors
  1. Andreas Willig
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  2. Ina Schieferdecker
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Editor information

Jean-Raymond Abrial Egon Börger Hans Langmaack

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© 1996 Springer-Verlag Berlin Heidelberg

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Willig, A., Schieferdecker, I. (1996). Specifying and verifying the steam boiler control system with Time Extended LOTOS. In: Abrial, JR., Börger, E., Langmaack, H. (eds) Formal Methods for Industrial Applications. Lecture Notes in Computer Science, vol 1165. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0027250

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  • DOI: https://doi.org/10.1007/BFb0027250

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-61929-1

  • Online ISBN: 978-3-540-49566-6

  • eBook Packages: Springer Book Archive

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