A timed multitasking architecture for distributed embedded systems

被引：2

作者：

Angelov, Christo ^{[1
]}

Berthing, Jesper ^{[2
]}

机构：

[1] Univ So Denmark, Mads Clausen Inst Prod Innovat, Grundtvigs 150, DK-6400 Sonderborg, Denmark

[2] Danfoss Dr AS, DK-6300 Grasten, Denmark

来源：

2007 INTERNATIONAL SYMPOSIUM ON INDUSTRIAL EMBEDDED SYSTEMS | 2007年

关键词：

distributed hard real-time systems; component-based design; embedded actors; signal-based communication; timed multitasking; semi-static cyclic scheduling;

D O I：

10.1109/SIES.2007.4297323

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

The paper presents a software architecture for Distributed Timed Multitasking - a new model of computation that can be used to engineer open, and the same time, predictable embedded systems. Systems are composed from components (actors) that communicate transparently by exchanging labeled messages (signals) over a real-time network. Actors may be viewed as real-time tasks with event-triggered input/output signal drivers. The latter are executed atomically at precisely specified time instants, resulting in the elimination of transaction I/O jitter. Drivers are actually integrated into a middleware component - the Timed Communication Bus, which provides for complete separation of computation and communication, as well as transparent interaction between embedded actors, independent of their allocation on network nodes. The Communication Bus has been conceived as a subsystem of a distributed timed multitasking kernel whose architecture and operation are discussed as well.

引用

页码：102 / +

页数：2

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