Journal of KSNVE (소음진동)

The Korean Society for Noise and Vibration Engineering (한국소음진동공학회)
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Vibration Suppression of Smart Structures Using a Combined PPF-SRF Control Technique

PPF와 SRF 조합기법을 사용한 지능구조물의 능동진동제어

  • 곽문규 (동국대학교 공과대학 기계공학과) ;
  • 라완규 (건국대학교 공과대학 항공우주공학과) ;
  • 윤광준 (건국대학교 공과대학 항공우주공학과)
  • Published : 1997.10.01
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Abstract

This paper is concerned with the active vibration controller design for the grid structure based on the positive position feedback (PPF) and the strain rate feedback (SRF) control. A new control methodology by the combination of the PPF and SRF control can suppress all the modes of the structure theoretically and can be easily implemented with analog circuits. The underlying concept for the design of the new controller is that the SRF controller stabilizes the modes higher than the second mode and the PPF controller stabilizes the fundamental mode which is destabilized by the SRF controller. In order for the new controller to be implemented succesfully, the collocated control is necessary. To this end, the piezoceramic sensor and actuator are located as close as possible, thus realizing the nearly collocated control. The combined PPF and ARF controller proves its effectiveness by experiments.

Keywords

References

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