A safety requirement engineering method and tool

R. Guillerm, H. Demmou, N. Sadou
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引用次数: 1

Abstract

Requirement engineering is one of the most critical system engineering processes, particularly when it deals with the safety requirements which are non-functional requirements and are related to emergent system properties. In fact, safety requirements must be formulated at system level and then be derived at sub-system level. The main objective of this paper is to present a new tool, “SafetyLab”, which implements a method for safety treatment of complex systems. The method allows the definition of the system safety requirements following a risk and hazard analysis, and then their derivation according to a top-down approach. It is based on the famous Failure Mode, Effects, and Criticality Analysis (FMECA) and the use of Fault Trees.
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一种安全要求工程方法和工具
需求工程是最关键的系统工程过程之一,特别是当它处理非功能需求和与紧急系统属性相关的安全需求时。实际上,安全需求必须在系统级制定,然后在子系统级推导。本文的主要目的是提出一种新的工具,“SafetyLab”,它实现了复杂系统的安全处理方法。该方法允许在风险和危害分析之后定义系统安全需求,然后根据自顶向下的方法推导它们。它基于著名的故障模式、影响和临界性分析(FMECA)和故障树的使用。
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