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    Quantitative verification of implantable cardiac pacemakers over hybrid heart models

    Chen, Taolue and Diciolla, M. and Kwiatkowska, M.Z. and Mereacre, A. (2014) Quantitative verification of implantable cardiac pacemakers over hybrid heart models. Information and Computation 236 , pp. 87-101. ISSN 0890-5401.

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    Abstract

    We develop a model-based framework which supports approximate quantitative verification of implantable cardiac pacemaker models over hybrid heart models. The framework is based on hybrid input–output automata and can be instantiated with user-specified pacemaker and heart models. For the specifications, we identify two property patterns which are tailored to the verification of pacemakers: “can the pacemaker maintain a normal heart behaviour?” and “what is the energy level of the battery after t time units?”. We implement the framework in Simulink based on the discrete-time simulation semantics and endow it with a range of basic and advanced quantitative property checks. The advanced property checks include the correction of pacemaker mediated Tachycardia and how the noise on sensor leads influences the pacing level. We demonstrate the usefulness of the framework for safety assurance of pacemaker software by instantiating it with two hybrid heart models and verifying a number of correctness properties with encouraging experimental results.

    Metadata

    Item Type: Article
    Keyword(s) / Subject(s): Hybrid automata, Quantitative verification, Approximate verification, Pacemaker
    School: Birkbeck Schools and Departments > School of Business, Economics & Informatics > Computer Science and Information Systems
    Depositing User: Dr Taolue Chen
    Date Deposited: 27 Sep 2017 11:16
    Last Modified: 27 Sep 2017 11:16
    URI: http://eprints.bbk.ac.uk/id/eprint/19659

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