The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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Study on High-Efficiency Driving of a Piezo Device Using Voltage Inversion Circuit

전압 극성 전환을 통한 피에조 소자의 에너지 회수형 구동 기법 연구

  • Park, Han-Bin (Department of Aerospace Information Engineering, Konkuk University) ;
  • Park, Jin-Ho (Department of Digital/System Control Engineering, Hoseo University) ;
  • Hong, Sun-Ki (Department of Digital/System Control Engineering, Hoseo University) ;
  • Kang, Taesam (Department of Aerospace Information Engineering, Konkuk University)
  • 박한빈 (건국대학교 공과대학 항공우주정보시스템공학) ;
  • 박진호 (호서대학교 공과대학 시스템제어공학부) ;
  • 홍선기 (호서대학교 공과대학 시스템제어공학부) ;
  • 강태삼 (건국대학교 항공우주정보시스템공학과)
  • Received : 2012.10.09
  • Accepted : 2012.11.22
  • Published : 2012.12.01
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Abstract

Piezo devices have large power density and simple structure. They can generate larger force than the conventional actuators. It has also wide bandwidth with fast response in a compact size. Thus the piezo devices are expected to be used widely in the future for small actuators with fast response time and large actuating force. However, the piezo actuators need high voltage with high driving current due to their large capacitive property. In this paper, we propose a simple method to drive piezo devices using voltage inversion circuit with coil inductance. Experiments with real circuit demonstrates that the proposed scheme can improve the energy efficiency very much.

Keywords

References

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Cited by

  1. A Study on Characteristics and Driving Techniques of Energy Recovery Type Inverter for Piezo Actuator Drive vol.62, pp.8, 2013, https://doi.org/10.5370/KIEE.2013.62.8.1095