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Development of Kalman Hybrid Redundancy for Sensor Fault-Tolerant of Safety Critical System

Title
Development of Kalman Hybrid Redundancy for Sensor Fault-Tolerant of Safety Critical System
Translated Title
Safety Critical 시스템의 센서 결함 허용을 위한 Kalman Hybrid Redundancy 개발
Authors
Kim, Man HoLee, SukLee, Kyung-Chang
DGIST Authors
Kim, Man Ho; Lee, Suk; Lee, Kyung-Chang
Issue Date
2008-11
Citation
제어.로봇.시스템학회 논문지, 14(11), 1180-1188
Type
Article
ISSN
1976-5622
Abstract
As many systems depend on electronics, concern for fault tolerance is growing rapidly in the safety critical system such as intelligent vehicle. In order to make system fault tolerant, there has been a body of research mainly from aerospace field including predictive hybrid redundancy by Lee. Although the predictive hybrid redundancy has the fault tolerant mechanism to satisfy the fault tolerant requirement of safety crucial system such as x-by-wire system, it suffers form the variability of prediction performance according to the input feature of system. As an alternative to the prediction method of predictive hybrid redundancy for robust fault tolerant, Kalman prediction has attracted some attention because of its well-known and often-used with its structure called Kalman hybrid redundancy. In addition, several numerical simulation results are given where the Kalman hybrid redundancy outperforms with predictive smoothing voter.
URI
http://hdl.handle.net/20.500.11750/13430
DOI
10.5302/J.ICROS.2008.14.11.1180
Publisher
제어·로봇·시스템학회
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