NDLI: Safe software processing by concurrent execution in a real-time operating system

Content Provider	IEEE Xplore Digital Library
Author	Raab, P. Kramer, S. Mottok, J. Meier, H. Racek, S.
Copyright Year	2011
Description	Author affiliation: University of West Bohemia, Faculty of Applied Sciences, Univerzitní 22, 306 14 Plzen, Czech Republic (Racek, S.) \|\| Regensburg University of Applied Sciences, Faculty of Electronics and Information Technology, Seybothstr. 2, D-93053 Regensburg, Germany (Raab, P.; Kramer, S.; Mottok, J.; Meier, H.)
Abstract	The requirements for safety-related software systems increases rapidly. To detect arbitrary hardware faults, there are applicable coding mechanism, that add redundancy to the software. In this way it is possible to replace conventional multi-channel hardware and so reduce costs. Arithmetic codes are one possibility of coded processing and are used in this approach. A further approach to increase fault tolerance is the multiple execution of certain critical parts of software. This kind of time redundancy is easily realized by the parallel processing in an operating system. Faults in the program flow can be monitored. No special compilers, that insert additional generated code into the existing program, are required. The usage of multi-core processors would further increase the performance of such multi-channel software systems. In this paper we present the approach of program flow monitoring combined with coded processing, which is encapsulated in a library of coded data types. The program flow monitoring is indirectly realized by means of an operating system.
Starting Page	1
Ending Page	5
File Size	1065395
Page Count	5
File Format	PDF
ISBN	9781457703157
ISSN	18037232
e-ISBN	9788070439302
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-09-07
Publisher Place	Czech Republic
Access Restriction	Subscribed
Rights Holder	University of West Bohemi
Subject Keyword	Operating systems Redundancy Hardware Libraries Safety Monitoring
Content Type	Text
Resource Type	Article

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