Architectural concepts for embedded systems in safety-critical applications

被引：1
|
作者：
Skambraks, Martin [1 ]
Halang, Wolfgang A. [1 ]
机构：
[1] Fernuniv, Chair Comp Engn, D-58084 Hagen, Germany
来源：
2008 IEEE INTERNATIONAL CONFERENCE ON AUTOMATION, QUALITY AND TESTING, ROBOTICS (AQTR 2008), THETA 16TH EDITION, VOL I, PROCEEDINGS | 2008年
关键词：
D O I：
10.1109/AQTR.2008.4588706
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The programmable electronic systems currently employed in safety-critical applications follow either a strictly periodical or a task-based operating policy. These policies are discussed with regard to safety aspects, and a novel real-time execution concept combining their advantages is introduced. Its main characteristics are quantisation of time into discrete execution intervals, and partitioning of tasks into execution blocks matching these intervals. This operating principle features task-based software execution without utilising interrupts, eases integration into a holistic safety concept, and complies particularly well with the safety standard IEC 61508.
引用
收藏
页码：60 / 65
页数：6
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