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首页> 外文会议>Computers in Railways X: Computer System Design and Operation in the Railway and other Transit Systems; WIT Transactions on Built Environment; vol.88 >Using UML diagrams for system safety and security environment analysis
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Using UML diagrams for system safety and security environment analysis

机译：使用UML图进行系统安全性和安全性环境分析

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In this paper, the use of UML (Unified Modelling Language) diagrams as software tools for system safety and security environment analysis is proposed and evaluated.rnThe UML diagrams are used to plan and build systems based on the Object-Oriented approach. As these diagrams allow many system aspect viewpoints, they also allow a deep analysis and understanding of the system architecture and implementation details, as well as system functioning and operational features.rnWhen a system safety/security environment analysis is accomplished, many aspects of system operation, functioning, data flow, data types, architecture and implementation details must be well known, understood and modelled in order to determine possible weak points for the system safety (or security, or both, depending on the system application). The various UML diagrams supply all the information needed for a safety/security system analysis and many aspects of the UML methodology can be applied for the same purpose.rnFinally, a case study for an Object-Oriented ATO (Automatic Train Operation) control system proposed for use on a subway system is conducted in order to analyse the safety environment and to identify possible risks and danger situations to the system operation.rnThis control system proposed was presented and discussed in COMPRAIL 2004, in the paper called "Object-Oriented Approach for Automatic Train Operation Control Systems"; now this paper presents a complement of that study, using the drawn diagrams to make an analysis of the system safety environment.
机译：本文提出并评估了使用UML（统一建模语言）图作为系统安全和安保环境分析的软件工具。rnUML图用于基于面向对象的方法来计划和构建系统。由于这些图提供了许多系统方面的观点，因此它们还允许对系统体系结构和实现细节以及系统功能和操作功能进行深入的分析和理解。rn当完成系统安全性/安全性环境分析时，系统操作的许多方面功能，数据流，数据类型，体系结构和实现的详细信息必须众所周知，易于理解和建模，以便确定系统安全（或安全性，或两者，取决于系统应用程序）的可能弱点。各种UML图提供了安全/安保系统分析所需的所有信息，并且UML方法的许多方面都可以用于同一目的。最后，提出了一个面向对象的ATO（自动列车运行）控制系统的案例研究。为了在地铁系统中使用该控制系统，以分析安全环境并确定系统操作可能遇到的风险和危险情况。在2004年的COMPRAIL中，提出并讨论了该控制系统，该论文名为“面向对象的方法火车自动控制系统”；现在，本文使用绘制的图表对系统安全环境进行了分析，对研究进行了补充。

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