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

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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Phase delay control of a cantilever beam using piezoelectric materials

압전체를 사용한 외팔보 진동의 위상지연 제어

  • Hwang, Jin-Gwon (Dept.of Electric Engineering, Seoul National University) ;
  • Choe, Jong-Ho (Dept.of Electric Engineering, Seoul National University)
  • 황진권 (서울대학교 전기공학부) ;
  • 최종호 (서울대학교 전기공학부)
  • Published : 1997.08.01
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Abstract

In a lightly damped cantilever beam, most of the vibration energy is found around natural frequencies. Based on this, a phase delay control for suppressing vibration of the beam is proposed in this paper. This controller is designed to behave like a velocity feedback controller at the frequencies of modes to be controlled. Also, this controller is designed in consideration with uncontrolled modes for robust stability and improving of the sensitivity function of the control system. This phase delay control is applied to vibration suppression of a cantilever beam with a pair of a piezoelectric actuator and a piezoelectric sensor. Experimental results showed that the phase delay control functions efficiently.

Keywords

References

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