Formal Verification of the Control Software of a Radioactive Material Remote Handling System, Based on IEC 61499

IF 5.2 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Open Journal of the Industrial Electronics Society Pub Date : 2023-10-02 DOI:10.1109/OJIES.2023.3321084

Giordano Lilli;Midhun Xavier;Etienne Le Priol;Vincent Perret;Tatiana Liakh;Roberto Oboe;Valeriy Vyatkin

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引用次数: 0

Abstract

Automation systems within nuclear laboratories are intended to work under harsh operating conditions. Selective Production of Exotic Species (SPES) is a nuclear research facility currently under construction by the Istituto Nazionale di Fisica Nucleare, dedicated to the production and study of radioactive ion beams. Isotopes are produced within the target ion source unit, a vacuum vessel that must be replaced on a regular basis. The highly radioactive environment necessitates the deployment of a set of automated systems dedicated to the unit's remote management. To meet high-level security standards, the design of such instrumentation and control systems must include extensive verification. Based on specific safety requirements, model checking can be used to assess the systems' correctness. This article describes how to employ an integrated toolchain to design, simulate, formally verify, and deploy the control software for the Horizontal Handling Machine, a safety-critical remote handling system in operation at SPES. The IEC 61499 standard's adoption led to a redesign of the control logic. Following a preliminary online simulation, the closed-loop system has been formally verified using the NuSMV symbolic model checker, with the help of the FB2SMV converter. In addition, the Function Blocks Modeling Environment tool was used for automating verification and analyzing counterexamples.

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基于IEC 61499的放射性物质远程处理系统控制软件的形式化验证

核实验室内的自动化系统旨在在恶劣的操作条件下工作。选择性生产外来物种(SPES)是意大利国家核工业研究所目前正在建设的一个核研究设施，专门用于生产和研究放射性离子束。同位素是在目标离子源单元内产生的，这是一个必须定期更换的真空容器。高放射性环境需要部署一套专用于该单元远程管理的自动化系统。为了达到高水平的安全标准，这些仪器和控制系统的设计必须包括广泛的验证。基于特定的安全要求，可以使用模型检查来评估系统的正确性。本文描述了如何使用集成工具链来设计、模拟、正式验证和部署水平处理机的控制软件，这是一个在spe运行的安全关键远程处理系统。IEC 61499标准的采用导致了控制逻辑的重新设计。在初步的在线仿真之后，闭环系统在FB2SMV转换器的帮助下，使用NuSMV符号模型检查器进行了正式验证。此外，还使用功能块建模环境工具对反例进行了自动化验证和分析。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Open Journal of the Industrial Electronics Society ENGINEERING, ELECTRICAL & ELECTRONIC-

CiteScore

10.80

自引率

2.40%

发文量

审稿时长

12 weeks

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