Electrical properties and power considerations of a piezoelectric actuator

T. Jordan, Zoubeida Ounaies, J. Tripp, P. Tcheng

Research output: Contribution to journalConference article

14 Citations (Scopus)

Abstract

This paper assesses the electrical characteristics of piezoelectric wafers for use in aeronautical applications such as active noise control in aircraft. Determination of capacitive behavior and power consumption is necessary to optimize the system configuration and to design efficient driving electronics. Empirical relations are developed from experimental data to predict the capacitance and loss tangent of a PZT5A ceramic as nonlinear functions of both applied peak voltage and driving frequency. Power consumed by the PZT is the rate of energy required to excite the piezoelectric system along with power dissipated due to dielectric loss and mechanical and structural damping. Overall power consumption is thus quantified as a function of peak applied voltage and driving frequency. It was demonstrated that by incorporating the variation of capacitance and power loss with voltage and frequency, satisfactory estimates of power requirements can be obtained. These relations allow general guidelines in selection and application of piezoelectric actuators and driving electronics for active control applications.

Original languageEnglish (US)
Pages (from-to)203-208
Number of pages6
JournalMaterials Research Society Symposium - Proceedings
Volume604
StatePublished - Dec 11 2000
EventMaterials for Smart Systems III - Boston, MA, USA
Duration: Nov 30 1999Dec 2 1999

Fingerprint

piezoelectric actuators
Piezoelectric actuators
Electric properties
electrical properties
Electric potential
electric potential
Electric power utilization
Capacitance
Electronic equipment
capacitance
Active noise control
power loss
active control
Dielectric losses
tangents
dielectric loss
electronics
aircraft
Damping
damping

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

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Electrical properties and power considerations of a piezoelectric actuator. / Jordan, T.; Ounaies, Zoubeida; Tripp, J.; Tcheng, P.

In: Materials Research Society Symposium - Proceedings, Vol. 604, 11.12.2000, p. 203-208.

Research output: Contribution to journalConference article

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