The purpose of this review is to introduce several loss determination techniques for piezoelectric materials. The review starts with brief discussions of the loss factors and of the importance of piezoelectric loss that is related to the antiresonance frequency.
In particular, recent discoveries by our group show that piezoelectric losses are key factors for reducing heat generation in lead zirconate titanate (PZT)-based piezoelectric resonators with antiresonance operation [ 3 ]. The purpose of this paper is to review the determination methodologies of the loss factors of piezoelectric materials.
A number of studies dealt with the modeling of piezoelectric devices considering complex coefficients of piezoelectric materials. In particular, losses, which are imaginary parameters, are essential because they can reflect the heat dissipation of the device that is a crucial factor for the energy efficiency of such devices.
Three types of losses (dielectric, elastic, and piezoelectric) are known to be related to the heat dissipation mechanism of piezoelectric materials, therefore obtaining accurate values of the loss factors is essential for minimizing the heat dissipation of piezoelectric devices.
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Abstract This paper presents an efficient drive scheme based on the E-type inverter to address the issue of low efficiency in piezoelectric motor drive circuit design caused by switching losses.
1 Introduction Piezoelectric materials play a pivotal role in the func-tionality of various devices such as ultrasonic sensors, piezoelectric actuators, and energy harvesters, …
The review continues with a discussion of piezoelectric device modeling (analytical solution and equivalent circuits) that considers loss factors.
This paper presents an efficient drive scheme based on the E-type inverter to address the issue of low efficiency in piezoelectric motor drive circuit design caused by …
The review continues with a discussion of piezoelectric device modeling (analytical solution and equivalent circuits) that considers loss …
The dielectric loss in high power piezoelectric systems is quantified accurately in a proposed equivalent circuit model for the first time.
Abstract Piezoelectric inverters are often used in cold cathode tubes of LCD panels, etc. This is because of their superior performance over electromagnetic inverters and for their …
Loss is a critical performance metric in piezoelectric devices, directly impacting energy conversion efficiency and the overall stability of device operation. However, the …
The purpose of this review is to introduce several loss determination techniques for piezoelectric materials. The review starts with brief discussions of the loss factors and of …
Conclusion The assessment of losses in piezoelectric materials is essential for understanding their behavior and optimizing their performance across various applications. …
ABSTRACT The losses associated with piezoelectric behaviour have been investigated, by measurements at frequencies and fields where extrinsic contributions play a …
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