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Predictive hybrid redundancy using exponential smoothing method for safety critical systems

Title
Predictive hybrid redundancy using exponential smoothing method for safety critical systems
Author(s)
Kim, Man HoLee, SukLee, Kyung Chang
Issued Date
2008-02
Citation
International Journal of Control, Automation, and Systems, v.6, no.1, pp.126 - 134
Type
Article
Author Keywords
double exponential smoothing methoddrive-by-wire systemfault tolerant systempredictive hybrid redundancysafety critical systems
Keywords
DOUBLE FAULTS
ISSN
1598-6446
Abstract
As many systems depend on electronics, concern for fault tolerance is growing rapidly. For example, a car with its steering controlled by electronics and no mechanical linkage from steering wheel to front tires (steer-by-wire) should be fault tolerant because a failure can come without any warning and its effect is devastating. In order to make system fault tolerant, there has been a body of research mainly from aerospace field. This paper presents the structure of predictive hybrid redundancy that can remove most erroneous values. In addition, several numerical simulation results are given where the predictive hybrid redundancy outperforms wellknown average and median voters.
URI
http://hdl.handle.net/20.500.11750/2148
Publisher
Inst Control Robotics & Systems
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