References
- Takashi , Kenjo and Toshiiku , Sashida . 1993 . An Introduction to Ultrasonic Motors , 5 – 24 . Oxford : Clarendon Press .
- Timothy , S. Glenn and Nesbitt , W. Haghood . Development of a two sided piezoelectric rotary ultrasonic motor for high torque . SPIE conf. Proceedings 3041 . pp. 326 – 338 .
- Mueller , Volkmar , Fuchs , Egbert and Beige , Horst . 2000 . Characterization of nonlinear properties of soft PZT-piezoceramics . Ferroelectrics , 240 ( 1 ) : 1333 – 1340 .
- Uchino , K. , Negishi , H. and Hirose , T. 1989 . Drive voltage dependence of electromechanical resonance in PLZT piezoelectric ceramics . Japanese Journal of Applied Physics , 28 : 47 – 49 . (Supplement 28-2)
- Yoon , Shin-Yong , Baek , Soo-Hyun and Kim , Cherl-Jin . 2003 . Drive Characteristics Using Resonance Frequency of a Ring Type Ultrasonic Motor . KIEE International Transactions on EMECS , 123 ( 4 ) : 173 – 178 .
- Kee-Joe , Lim , Si-Yong , Lee , Jong-Sub , Lee , Mun-Joo , Lee and Seong-Hwa , Kang . 2004 . Piezoelectric and Dielectric Properties of Pb(ZrxTi1-x)O3-Pb(Ni1/3Sb1/3Nb1/3)O3 Piezoelectric Ceramics . Journal of Electro-ceramics , 13 ( 3 ) : 449 – 452 .
- Jong-Sub , Lee , Lee , Yong-Hee , Lim , Kee-Joe , Hong , Jong-Kuk and Kim , Hyun-Hoo . 2002 . The Dielectric and Piezoelectric Properties of yPb(Zrx Ti1-xO3-1-yPb(Mn1/3Nb1/3Sb1/3)O3 Ceramics . Ferroelectrics , 273 ( 1 ) : 291 – 296 .
- Hiroshi , Hirata and Sadayuki , Ueha . 1995 . Design of a traveling wave type ultrasonic motor . IEEE TRANSACTIONS ON ULTRASOINCS, FERROELECTRICS, AND FREQUENCY CONTROL , 42 ( 2 ) March : 225 – 231 .
- IRE Standards on Piezoelectric Crystals: Measurements of Piezoelectric Ceramics 1961 . Proc. IRE , 49 1161 – 1169 .