A piezoelectric motor using two orthogonal bending modes of a hollow cylinder

  title={A piezoelectric motor using two orthogonal bending modes of a hollow cylinder},
  author={Burhanettin Koc and Serra Cagatay and Koji Uchino},
  journal={IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control},
This paper proposes a compact ultrasonic motor with low manufacturing costs, a simpler driving circuit, and scalability. The stator of the motor presented in this paper consists of a hollow metal cylinder, whose outside surface was flattened on two sides at 90 degrees to each other, on which two rectangular piezoelectric plates were bonded. Because the cylinder has a partially square/partially circular outside surface, the stator has two degenerated bending modes that are orthogonal to each… CONTINUE READING
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