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Generating EAST-ADL Event Chains from Scenario-Based Requirements Specifications

机译：从基于场景的需求规范中生成EAST-ADL事件链

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Real-time software-intensive embedded systems complexity, as in the automotive domain, requires rigorous Requirements Engineering (RE) approaches. Scenario-based RE formalisms like Modal Sequence Diagrams (MSDs) enable an intuitive specification and the simulative validation of functional requirements. However, the dependencies between events occurring in different MSD scenarios are implicit so that it is difficult to find causes of requirements defects, if any. The automotive architecture description language east-adl addresses this problem by relying on event chains, which make dependencies between events explicit. However, east-adl event chains have a low abstraction level, and their relationship to functional requirements has seldom been investigated. Based on the east-adl functional architecture, we propose to use its central notion of event to conciliate both approaches. We conceived an automatic transformation from the high abstraction level requirements specified in MSDs to the low abstraction level event chains.
机译：与汽车领域一样，实时软件密集型嵌入式系统的复杂性要求严格的需求工程（RE）方法。基于场景的RE形式主义（如模态顺序图（MSD））实现了直观的规格说明和功能需求的仿真验证。但是，在不同MSD场景中发生的事件之间的依赖性是隐式的，因此很难找到需求缺陷的原因（如果有）。汽车体系结构描述语言east-adl通过依赖事件链解决了这个问题，事件链使事件之间的依赖关系变得明确。但是，east-adl事件链的抽象水平较低，并且很少研究它们与功能需求的关系。基于east-adl功能架构，我们建议使用事件的中心概念来协调这两种方法。我们构想了从MSD中指定的高抽象级别要求到低抽象级别事件链的自动转换。

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