Title :
Modeling and driving piezoelectric resonant blade elements
Author :
Ben-Yaakov, Sam ; Krihely, Natan
Author_Institution :
Dept. of Electr. & Comput. Eng., Ben-Gurion Univ. of the Negev, Beer-Sheva, Israel
Abstract :
Piezoelectric resonant blade elements (PRB) are useful in applications such as light choppers, laser beam scanners, fans and others. Three methods are proposed for extracting the parameters of the PRB equivalent circuit model: two are direct methods and one is based on an iteration procedure that looks for the least square error. Drive needs for a PRB are discussed and possible drive alternatives are explored. The results of theoretical derivation for parameter extraction and drive requirements were verified against simulation and experiments.
Keywords :
equivalent circuits; iterative methods; least squares approximations; piezoelectric devices; equivalent circuit model; iteration procedure; least square error; piezoelectric resonant blade; Blades; Choppers; Drives; Equivalent circuits; Fans; Laser beams; Laser modes; Least squares methods; Parameter extraction; Resonance;
Conference_Titel :
Applied Power Electronics Conference and Exposition, 2004. APEC '04. Nineteenth Annual IEEE
Print_ISBN :
0-7803-8269-2
DOI :
10.1109/APEC.2004.1296100
