DocumentCode
393272
Title
Inversion of piezoelectric material coefficients by using finite element method with Asymptotic Waveform Evaluation
Author
Lee, Chang-Hwan ; Joo, Hyun-Woo ; Rho, Jong-Seok ; Cho, Han-Sam ; Jung, Hyun-Kyo
Author_Institution
Sch. of Electr. Eng., Seoul Nat. Univ., South Korea
Volume
1
fYear
2002
fDate
8-11 Oct. 2002
Firstpage
661
Abstract
In this paper, a fast inversion scheme for piezoelectric constants of piezoelectric transformer is proposed. The effects of material coefficients on piezoelectric transformers are investigated by using three-dimensional finite element method (FEM) which is confirmed experimentally. A design sensitivity method adopted as an inversion scheme and Asymptotic Waveform Evaluation (AWE) is used for fast frequency sweep.
Keywords
finite element analysis; piezoelectric materials; waveform analysis; Asymptotic Waveform Evaluation; design sensitivity method; fast frequency sweep; fast inversion scheme; finite element method; piezoelectric constants; piezoelectric material coefficients inversion; three-dimensional finite element method; Capacitive sensors; Dielectrics; Equations; Finite element methods; Frequency; Piezoelectric materials; Piezoelectric transducers; Stress; Surface impedance; Tellurium;
fLanguage
English
Publisher
ieee
Conference_Titel
Ultrasonics Symposium, 2002. Proceedings. 2002 IEEE
ISSN
1051-0117
Print_ISBN
0-7803-7582-3
Type
conf
DOI
10.1109/ULTSYM.2002.1193489
Filename
1193489
Link To Document