A Linear Ultrasonic Motor Using Bending Vibration Transducer with Double Driving Feet

A linear ultrasonic motor using bending vibration transducer with double driving feet was proposed. The motor consists of two exponential shape horns located on the two leading ends. Two orthogonal bending vibrations are superimposed in the motor and generate elliptical trajectories at the driving feet. The motion trajectories of the driving feet were deduced. Transient analysis was developed to gain the vibration characteristics of motor. A prototype motor was fabricated and measured. Typical output of the prototype is no-load speed of 990 mm/s and maximum thrust force of 12 N at a voltage of 150 Vrms.

[1]  Koji Akashi,et al.  A High Power Ultrasonic Linear Motor Using a Longitudinal and Bending Hybrid Bolt-Clamped Langevin Type Transducer , 2001 .

[2]  Fan Zhang,et al.  Bidirectional linear ultrasonic motor using longitudinal vibrating transducers , 2005, IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control.

[3]  Yung Ting,et al.  Traveling-wave piezoelectric linear motor. I. The stator design , 2007, IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control.

[4]  Yung Ting,et al.  Traveling-wave piezoelectric linear motor Part I: the stator design. , 2007, IEEE transactions on ultrasonics, ferroelectrics, and frequency control.

[5]  Jung-Kun Lee,et al.  Ultrasonic linear motor using L1-B4 mode and its analysis , 2005 .

[6]  Tao Xie,et al.  Design and fabrication of a linear ultrasonic motor using push-pull type L-B hybrid Langevin transducer with single foot , 2008, 2008 IEEE Ultrasonics Symposium.

[7]  Paul Gonnard,et al.  A multilayer TWILA ultrasonic motor , 2009 .

[8]  Xia Li,et al.  Novel high torque bearingless two-sided rotary ultrasonic motor , 2007 .

[9]  S. Ueha,et al.  Ultrasonic motors : theory and applications , 1993 .

[10]  Antonio Iula,et al.  A high-power traveling wave ultrasonic motor , 2006, IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control.