References
- Ueha , S. and Tomikawa , Y. 1993 . Ultrasonic Motors , UK : Oxford University Press .
- Lu , C. Y. , Xie , T. and Zhou , T. Y. 2006 . Study of a new type linear ultrasonic motor with double-driving feet . Ultrasonics. , 44 : 585 – 589 .
- Yang , M. , Richardson , R. C. and Levesley , M. C. 2004 . Performance improvement of rectangular-plate linear ultrasonic motors using dual-frequency drive . IEEE Trans. Ultrason. Ferroelect. Freq. Contr. , 51 : 1600 – 1606 .
- Vyshnevskyy , O. , Kovalev , S. and Mehner , J. 2005 . Coupled tangential-axial resonant modes of piezoelectric hollow cylinders and their application in ultrasonic motors . IEEE Trans. Ultrason. Ferroelect. Freq. Contr. , 52 : 31 – 36 .
- Aoyagi , M. , Tomikawa , Y. and Takano , T. 1992 . Ultrasonic motors using longitudinal and bending multimode vibrators with mode coupling by externally additional asymmetry or internal nonlinearity . Jpn. J. Appl. Phys. , 31 : 3077 – 3080 .
- Petit , L. and Gonnard , P. 2004 . Inter-phases mechanical coupling in ultrasonic motors . Sens. Actuators A , 116 : 492 – 500 .
- Shi , S. J. , Chen , W. S. , Liu , J. K. and Zhao , X. T. 2008 . Ultrasonic linear motor using the L-B mode Langevin transducer with an exponential horn . Front. Mech. Eng. China , 3 : 212 – 217 .