Paper Title:
System Configuration and Evaluation for Optical Sled Drive Using Constraint-Tuning Ultrasonic Actuator
  Abstract

Through the estimated method for constraint-tuning modified-mode (CTMM), an innovative thin-disc piezoelectric ultrasonic actuator is used to drive an optical sled in this study. With four screws positioned on the thin-disc actuator at the angle distribution of 00, 900, 1800, and 3200, both modified modes of ((1, 2))C and ((1, 1))S in vibration provide an approximate equilibrium force to push an optical sled in bilateral movement. The innovative ultrasonic actuator has the vibrator’s compact and thinner structure, a thickness of 3 millimeters, without a gearbox rather than a conventional DC sled motor. Using contact friction to drive an optical sled with quick tracking in bilateral motion, experimental results demonstrate obtaining the desired function by a proposed single-phase, bi-frequency LC resonant driving circuit as well as remaining the original sled controller. The general specification of linear speed achieves 200-300 mm/s at less power dissipation for pushing the CD652A BenQ sled drive with 1.0 N output force and 20%-33% efficiency.

  Info
Periodical
Edited by
Ford Lumban Gaol, Mehdi Roopaei, Svetlana Perry and Jessica Xu
Pages
1-13
DOI
10.4028/www.scientific.net/AMM.87.1
Citation
M. H. Lai, F. L. Wen, Y. L. Shen, M. S. Ouyang, "System Configuration and Evaluation for Optical Sled Drive Using Constraint-Tuning Ultrasonic Actuator", Applied Mechanics and Materials, Vol. 87, pp. 1-13, 2011
Online since
August 2011
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