Composite Flextensional Transducers For Sensing And Actuating

James F. Tressler, Q. C. Xu, Shoko Yoshikawa, Kenji Uchino, Robert E. Newnham

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

A ceramic-metal composite flextensional transducer has been developed which integrates both sensing and actuating functions into a single device for the purpose of suppressing low-level vibration noise. This prototype sensor/actuator composite is capable of detecting and completely suppressing in real time small (<lμm) vibration displacements with low (<100gf) forces. The dynamic frequency range of the device spans from 100Hz to at least 2500Hz The actuator portion of the composite consists of a standard (11mm diameter 3mm thick) “moonie” transducer. The sensor is a separate piece of piezoceramic 0.1mm thick imbedded within the surface of the actuator. Vibrations are detected by the sensor; then via a feedback loop the vibration noise is suppressed by the actuator. Potential applications for this device include active optical systems rotor suspension systems and other low-level vibration suppression devices.

Original languageEnglish (US)
Pages (from-to)67-72
Number of pages6
JournalFerroelectrics
Volume156
Issue number1
DOIs
StatePublished - Jan 1 1994

Fingerprint

Transducers
transducers
Actuators
vibration
actuators
composite materials
Composite materials
Sensors
sensors
Cermets
cermets
Optical systems
Suspensions
Rotors
rotors
Feedback
frequency ranges
prototypes
retarding

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Tressler, J. F., Xu, Q. C., Yoshikawa, S., Uchino, K., & Newnham, R. E. (1994). Composite Flextensional Transducers For Sensing And Actuating. Ferroelectrics, 156(1), 67-72. https://doi.org/10.1080/00150199408215929
Tressler, James F. ; Xu, Q. C. ; Yoshikawa, Shoko ; Uchino, Kenji ; Newnham, Robert E. / Composite Flextensional Transducers For Sensing And Actuating. In: Ferroelectrics. 1994 ; Vol. 156, No. 1. pp. 67-72.
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Tressler, JF, Xu, QC, Yoshikawa, S, Uchino, K & Newnham, RE 1994, 'Composite Flextensional Transducers For Sensing And Actuating', Ferroelectrics, vol. 156, no. 1, pp. 67-72. https://doi.org/10.1080/00150199408215929

Composite Flextensional Transducers For Sensing And Actuating. / Tressler, James F.; Xu, Q. C.; Yoshikawa, Shoko; Uchino, Kenji; Newnham, Robert E.

In: Ferroelectrics, Vol. 156, No. 1, 01.01.1994, p. 67-72.

Research output: Contribution to journalArticle

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