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

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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Eigenstructure Assignment Method for Disturbance Suppression and Fault Isolation

외란 억제 및 고장 분리를 위한 고유구조 지정기법

  • Seo, Young-Bong (Mechanical Technology Research Center, Dept.of Mechanical Engineering, Busan National University) ;
  • Park, Jae-Weon (Mechanical Technology Research Center, Dept.of Mechanical Engineering, Busan National University)
  • 서영봉 (부산대학교 기계공학부 및 기계기술연구소) ;
  • 최재원 (부산대학교 기계공학부 및 기계기술연구소)
  • Published : 2002.05.01
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Abstract

The underlying principle of fault detection via unknown input observer is to make the state estimation error independent of disturbances(or unknown inputs). In this paper, we present a systematic method that can exactly assign the eigenstructure with disturbance suppression and fault isolation capability. A desired eigenstructure for both fault isolation and disturbance suppression is obtained by an optimization method. For the dual purposes, terms for fault isolation and far disturbance suppression are included in the employed objective function for the optimization. The proposed scheme is applied to a simple example to confirm the usefulness of the method.

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References

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