5E-5 Generated Power Characterization of Piezoelectrics with Electromechanical Coupling Coefficient and Quality Factor

5E-5 Generated Power Characterization of Piezoelectrics with Electromechanical Coupling Coefficient and Quality Factor

A simple equation for generated power of piezoelectric devices was developed for the case in which deflection is fixed. The generated power equation is expressed in terms of stiffness, resonant frequency, deflection and electromechanical coupling coefficient k 2 . The generated power equation shows...

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Hauptverfasser: Cho, J.H., Richards, R.F., Bahr, D.F., Richards, C.D., Anderson, M.J.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Acceleration
Character generation
Equations
Frequency
Piezoelectric devices
Piezoelectric materials
Piezoelectric transducers
Power generation
Q factor
Vibrations
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Richards, R.F.
Bahr, D.F.
Richards, C.D.
Anderson, M.J.
description A simple equation for generated power of piezoelectric devices was developed for the case in which deflection is fixed. The generated power equation is expressed in terms of stiffness, resonant frequency, deflection and electromechanical coupling coefficient k 2 . The generated power equation shows that power is not a function of quality factor Q under this condition. The power output produced by three piezoelectric cantilevers with a variation in dimensions, k 2 , natural frequency, and stiffness was measured and compared to the model of the generated power. The model and experiment agreed very well
doi_str_mv 10.1109/ULTSYM.2006.129
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Acceleration
Character generation
Equations
Frequency
Piezoelectric devices
Piezoelectric materials
Piezoelectric transducers
Power generation
Q factor
Vibrations
title 5E-5 Generated Power Characterization of Piezoelectrics with Electromechanical Coupling Coefficient and Quality Factor
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