233 research outputs found

    Extensions of SystemC^FL for mixed-signal systems and formal verification

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    The formal language SystemC^FL is the formalization of SystemC. The language semantics of SystemC^FL was formally defined in a standard structured operational semantics (SOS) style. In this paper, we first provide an overview of the current status of the formal language SystemC^FL and show some practical applications of SystemC^FL.Then, we give an outline for the latest developments of SystemC^FL. These developments include extensions of SystemC^FL for modeling mixed-signal systems and formal verification

    SystemC^FL : a formalism for hardware/software co-design

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    SystemCFL is a formal language for hardware/software codesign. Principally, SystemCFL is the formalization of SyslemC based on classical process algebra ACP. The language is aimed to give formal specification of SystemC designs and perform formal analysis of SystemC processes. This paper, designed for the first-time user of SystemCFL, guides the reader through modeling, analyzing and verifying designs using SystemCFL. This paper illustrates the use of SysternCFL with two case studies taken from literature

    Minteos mesh protocol and SystemC simulator

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    This paper presents our industrial experience on the implementation of Minteos Mesh Protocol which is a memory, power and delay efficient mesh protocol; and Minteos SystemC Simulator for mesh networks. Experiments are carried out to validate the adequate use of Minteos Mesh Protocol. Also, simulation/test results are given to show the effectiveness and applicability of Minteos SystemC simulator for mesh networks

    Specification and verification of radiation therapy system with respiratory compensation using Uppaal

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    The goal of radiation therapy is to give as much dose as possible to the target volume of tissue and avoid giving any dose to a healthy tissue. Advances of the digital control allow performing accurate plans and treatments. Unfortunately, motion compensation during the treatment remains a considerable problem. Currently, a combination of the different techniques, such as gating (restricting movement of patient) and periodic emission are used to avoid damaging healthy tissue. This paper focuses on systems that completely compensate respiratory movement (up to certain limit) and start by investigating adequacy of the existing hardware and software platform. In this paper a radiation therapy system consisting of a HexaPOD couch with 6-degrees movement, a tracking camera, a marker (markers) and a controller is modeled. A formal un-timed model was evaluated and found to be insufficient to completely determine adequacy of the system to compensate respiratory motion. Therefore, un-timed model was extended to include time and investigated. It provides more information than un-timed model, but does not answer all interesting question. Therefore, based on the results further research directions are sketched

    Formal verification of Chi models using PHAVer

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    The hybrid Chi (x) language is a formalism for modeling, simulation and verification of hybrid systems. One of the most widely known hybrid system formalisms is that of hybrid automata. The formal translation of x to hybrid automata enables verification of x specifications using existing hybrid automata based veri??cation tools. In this paper, we describe the translation from x to hybrid automata, and the relation between hybrid automata and the linear hybrid I/O automata that are used for the verification tool PHAVer (Polyhedral Hybrid Automaton Verifyer). In the case study, we translate a x specification to a linear hybrid I/O automaton, and use PHAVer to verify properties

    Formal verification of Chi models using PHAVer

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    Syntax and consistent equation semantics of hybrid Chi

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    Syntax and consistent equation semantics of hybrid Chi

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    Syntax and semantics of timed Chi

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