제어로봇시스템학회논문지 (Journal of Institute of Control, Robotics and Systems)

  • 제11권3호
  • /
  • Pages.200-206
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  • 2005
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  • 1976-5622(pISSN)
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  • 2233-4335(eISSN)
제어로봇시스템학회 (Institute of Control, Robotics and Systems)
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무인기 관성측정 센서의 비모델 복합 고장진단기법

Model-Free Hybrid Fault Detection and Isolation For UAV Inertial Measurement Sensors

  • 김승균 (서울대학교 기계항공공학부 항공우주공학) ;
  • 김유단 (서울대학교 기계항공공학부 항공우주공학)
  • 발행 : 2005.03.01
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초록

In this paper, a redundancy management system for aircraft is studied, and FDI (Fault Detection and Isolation) algorithm of inertial sensor system is proposed. UAV system cannot allow triple or quadruple hardware redundancy due to the limitations on space and weight. In the UAV system with dual sensors, it is very difficult to identify the faulty sensor. Also, conventional FDI method cannot isolate multiple faults in a triple redundancy system. In this paper, hardware based FDI technique is proposed, which combines a parity equation approach with the wavelet based technique, which is a model-free FDI method. To verify the effectiveness of the proposed FDI method, numerical simulations are performed.

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참고문헌

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