Toward Systematic Construction of Timing Diagrams from UML/MARTE Behavioral Models for Time-Triggered Embedded Software

Jinho Choi, Eunkyoung Jee, Doo-Hwan Bae
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引用次数: 5

Abstract

The UML has been used to describe structures and behaviors of time-triggered embedded software. Analysis of timing constraints is an important issue in developing time-triggered embedded software. Among multiple types of UML diagrams, timing diagrams are appropriate to show state changes and their relevant events of objects over time with timing constraints. However, there has been little study on how to specify and utilize timing diagrams in practice. Given sequence diagrams and state machine diagrams with MARTE annotations, we propose a systematic way to construct timing diagrams with MARTE annotations. To get well-formed models, we check timing constraints and consistency of the input UML/MARTE models. We present checking criteria for well-formed UML/MARTE models and systematic transformation rules. To show effectiveness of our approach, we demonstrate an illustrative example of GCU (Guidance and Control Unit) software used in avionics systems.
基于时间触发嵌入式软件UML/MARTE行为模型的时间图系统构建
UML已经被用来描述时间触发嵌入式软件的结构和行为。时间约束分析是时间触发嵌入式软件开发中的一个重要问题。在多种类型的UML图中,时序图适合于显示状态变化及其与时间约束相关的对象事件。然而,对于如何在实践中指定和利用时序图,目前的研究还很少。给出带有MARTE注释的时序图和状态机图,提出了一种系统的带有MARTE注释的时序图构造方法。为了得到格式良好的模型,我们检查输入UML/MARTE模型的时间约束和一致性。我们提出了格式良好的UML/MARTE模型和系统转换规则的检查标准。为了证明我们的方法的有效性,我们展示了一个用于航空电子系统的GCU(制导和控制单元)软件的示例。
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