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http://dx.doi.org/10.5139/JKSAS.2010.38.2.169

Redundancy Management Design for Triplex Flight Control System  

Park, Sung-Han (한국항공우주산업(주))
Kim, Jae-Yong (한국항공우주산업(주))
Cho, In-Je (한국항공우주산업(주))
Hwang, Byung-Moon (한국항공우주산업(주))
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.38, no.2, 2010 , pp. 169-179 More about this Journal
Abstract
Satisfying the same probability of loss of control and essentially two fail operative performance with a triplex computer architecture requires a lot of modification of the conventional redundancy management design techniques, previously employed in quadruplex digital flight control computer. T-50 FCS for triplex redundancy management design applied an advanced digital flight control architecture with an I/O controller which is functionally independent of the digital computer to achieve the same reliability and special failure analysis and isolation schemes for fail operational goals with a triplex configuration. The analysis results indicated that the triplex flight control system is to satisfy the safety requirement utilizing the advanced flight control techniques and the system performance of the implemented flight control system was verified by failure mode effect test.
Keywords
Triplex Flight Control System; Redundancy Management;
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