Development of PZT and PZN-PT Based Unimorph Actuators for Micromechanical Flapping Mechanisms

  title={Development of PZT and PZN-PT Based Unimorph Actuators for Micromechanical Flapping Mechanisms},
  author={Metin Sitti and Domenico Campolo and Joseph Yan and Ronald S. Fearing and Tao Su and David Taylor and Timothy D. Sands},
This paper focuses on the design, fabrication and characterization of unimorph actuators for a microaerial flapping mechanism. PZT-5H and PZN-PT are investigated as piezoelectric layers in the unimorph actuators. Design issues for microaerial flapping actuators are discussed, and criteria for the optimal dimensions of actuators are determined. For low power consumption actuation, a square wave based electronic driving circuit is proposed. Fabricated piezoelectric unimorphs are characterized by… CONTINUE READING
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