대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)

대한전기학회 (The Korean Institute of Electrical Engineers)
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Design of a Fault Detector by using System Identification

  • 박태동 (성균관대학교 정보통신공학부) ;
  • 이재호 (성균관대학교 정보통신공학부) ;
  • 백산림 (성균관대학교 정보통신공학부) ;
  • 박기헌 (성균관대학교 정보통신공학부)
  • Park, Tae-Dong (Sungkyunkwan University, Department of Electrical and Computer Engineering) ;
  • Lee, Jea-Ho (Sungkyunkwan University, Department of Electrical and Computer Engineering) ;
  • Bai, Shan-Lin (Sungkyunkwan University, Department of Electrical and Computer Engineering) ;
  • Park, Ki-Heon (Sungkyunkwan University, Department of Electrical and Computer Engineering)
  • 발행 : 2008.04.25
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초록

Demand for reliability and safety in modem systems has been increased in the research on fault detection and isolation. At traditional approaches to fault detection, redundant sensors have been used. More advanced methods are the residual analysis of signals which are created by the comparison between the actual plant behavior and the output response of a mathematical model. However, mathematical system models are difficult to obtain by using physical laws. These problems can be solved by system identification. In this paper, the transfer function of a direct current motor is estimated by using the system identification. And, the efficiency of the fault detector design is verified by using experiments.

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