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Overloads in compositional embedded real-time control systems

机译:组合嵌入式实时控制系统中的过载

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Component-based design is important for the design of complex embedded software. By properly defining component interfaces, new components can be formed by composing existing components. A newly formed component may be further composed of other components. One of the key requirements for guaranteeing the compositionality of components in real-time systems is that the composite model must be consistent with, and indistinguishable from, the interface of a primitive component so that all real-time requirements are met. In addition to being used widely for schedulability analysis on different techniques such as earliest deadline first (EDF) and rate monotonic (RM), supply-demand functions have been applied to perform compositional schedulability analysis with periodic resource models. However, supply-demand function analysis for compositional schedules has only been done for hard real-time systems guarantees. This work analyzes overloads in embedded real-time control systems with soft deadlines and the analysis helps to build a compositional system that can tolerate delays. This paper also associates the schedulability analysis with a control application using a rapid prototype implementation.
机译:基于组件的设计对于复杂嵌入式软件的设计很重要。通过正确定义组件接口,可以通过组合现有组件来形成新组件。新形成的部件可以进一步由其他部件组成。保证实时系统中组件组成的关键要求之一是,复合模型必须与原始组件的接口保持一致,并且与原始组件的界面没有区别,以便满足所有实时要求。除了被广泛用于诸如最早期限优先(EDF)和费率单调(RM)之类的不同技术的可调度性分析之外,供求函数已被应用到具有周期性资源模型的成分可调度性分析中。但是,仅针对硬实时系统保证进行了组成计划的供需功能分析。这项工作分析了具有软期限的嵌入式实时控制系统中的过载,并且该分析有助于构建可以容忍延迟的组合系统。本文还使用快速原型实现将可调度性分析与控制应用程序相关联。

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