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Development of Fuzzy Hybrid Redundancy for Sensor Fault-Tolerant of X-By-Wire System

X-By-Wire 시스템의 센서 결함 허용을 위한 Fuzzy Hybrid Redundancy 개발

  • 김만호 (대구경북과학기술연구원 미래산업융합기술연구부) ;
  • 손병점 (부산대학교 기계공학부) ;
  • 이경창 (부경대학교 제어자동화공학과) ;
  • 이석 (부산대학교 기계공학부)
  • Published : 2009.03.01

Abstract

The dependence of numerous systems on electronic devices is causing rapidly increasing concern over fault tolerance because of safety issues of safety critical system. As an example, a vehicle with electronics-controlled system such as x-by-wire systems, which are replacing rigid mechanical components with dynamically configurable electronic elements, should be fault¬tolerant because a devastating failure could arise without warning. Fault-tolerant systems have been studied in detail, mainly in the field of aeronautics. As an alternative to solve these problems, this paper presents the fuzzy hybrid redundancy system that can remove most erroneous faults with fuzzy fault detection algorithm. In addition, several numerical simulation results are given where the fuzzy hybrid redundancy outperforms with general voting method.

Keywords

References

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