Earticle

초록

영어

This paper investigates mismatch problem in the coupled response of the flexural and longitudinal motions between the piezoelectric actuator and half-length sensor on a beam. This problem is important to design a piezo sensor – actuator pair control system in terms of frequency response function. Piezoelectric transducers have been widely used in control of structures in both aspects: an actuator and a sensor. In this study a half-length piezosensor compared to the piezoactuator is considered and it is assumed bonded on the other side of the actuator. The frequency response functions (FRF) are investigated in theory and computer simulation when the mismatch ratios are 0 %, 15 %, 30 % and 50 % respectively between the sensor and the actuator. Ther simulation results show each FRF is quite similar except some frequency ranges. Also the flexural motion gives a big effect to the coupled motion of the sensor-actuator response. This paper could provide a better understanding on the interaction between piezosensor and piezoactuator which are bonded with some mismatch.

목차

Abstract
 1. Introduction
 2. Matchness Problem between Piezoelectric Sensor and Actuator
  2.1 Arrangement of Half-Length Matched Piezo Sensor and Actuator
  2.2 Flexural Wave Generation by Piezo Actuator
  2.3 Longitudinal Wave Generation by Piezo Actuator
  2.4 Flexural Wave Sensing by Piezo Sensor
  2.5 Longitudinal Wave Sensing by Piezo Sensor
  2.6 Coupled Wave Sensing by Piezo Sensor
 3. Computer Simulation Results and Discussions
  3.1 Flexural Responses
  3.2 Longitudinal Responses
  3.3 Coupled Responses
 4. Conclusions
 References

키워드

저자

• Young-Sup Lee [ Department of Embedded Systems Engineering, University of Incheon ]

참고문헌

발행기관

간행물

표지보기 관심저널 등록

• 간행물명

  International Journal of Control and Automation

• 간기

  월간

• pISSN

  2005-4297

• 수록기간

  2008~2016

• 십진분류

  KDC 505 DDC 605