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Formal Probabilistic Analysis of Cyber-Physical Transportation Systems

  • Atif Mashkoor
  • Osman Hasan
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7335)

Abstract

Formal specification and verification of cyber-physical transportation systems is inherently a complex task. A fail-safe specification of such systems not only includes intricate formalizations of assumptions and requirements but also a fine-grained analysis of their unpredictable and random components, at times at different levels of abstraction. Traditional techniques of verification and validation, such as simulation or model checking, do not cope very well with the posed challenges. In fact, sometimes it becomes merely impossible to guarantee certain properties, such as liveness, under all possible scenarios. We propose an approach based on higher-order logic for formal modelling and reasoning of cyber-physical transportation systems. In this approach, we express the unpredictable elements of the model by appropriate random variables. Instead of guaranteeing absolute correctness, these randomized models can then be used to formally reason about the probability or expectation of the system meeting its required specification. For illustration purposes, the paper presents a simple analysis of a vehicle platoon control algorithm.

Keywords

Transportation System Theorem Prove Fractional Order System Discrete Random Variable Continuous Random Variable 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Atif Mashkoor
    • 1
  • Osman Hasan
    • 2
  1. 1.Software Competence Center HagenbergHagenbergAustria
  2. 2.School of Electrical Engineering and Computer ScienceNational University of Sciences and TechnologyIslamabadPakistan

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