The Characteristic and Influence Factors Analysis of Non-contact Hybrid Photostrictive/Piezoelectric Acutation Mechanism

  • JIANG Jing ,
  • LI Xiaonan ,
  • YUE Honghao ,
  • DENG Zongquan
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  • School of Mechatronic Engineering, Harbin Institute of Technology, Harbin 150001

Online published: 2017-01-05

Abstract

The hybrid photovoltaic/piezoelectric actuation mechanism is proposed. The ultraviolet light-driven PbLaZrTi(PLZT) induced photovoltages are used to drive piezoelectric actuators. The novel actuation mechanism can realize the advantages complementary of non-contact actuation, immune from electric and magnetic disturbances of PLZT and high respond speed of piezoelectric actuators. Based on the equivalent electrical model, constitutive model is established to define the time history of actuation voltages and strain of piezoelectric actuator. Experimental analysis and comparison of strain hysteresis between this new actuation mechanism and PLZT actuator are carried out. The influence factors of this new actuation mechanism are studied. The influences of light intensity and piezoelectric actuator electrode surface area and thickness on the actuation voltages of piezoelectric actuator are investigated.

 

Cite this article

JIANG Jing , LI Xiaonan , YUE Honghao , DENG Zongquan . The Characteristic and Influence Factors Analysis of Non-contact Hybrid Photostrictive/Piezoelectric Acutation Mechanism[J]. Journal of Mechanical Engineering, 2017 , 53(1) : 65 -71 . DOI: 10.3901/JME.2017.01.065

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