Title :
Motion Mechanism Analysis of a Two-Degree-of-Freedom Spherical Motor
Author :
Guo Kang ; Cheng Guangming ; Zeng Ping ; Huang Jianbo
Author_Institution :
Coll. of Mech. Sci. & Eng., Jilin Univ., Changchun, China
Abstract :
The working principle of a two-degree-of-freedom piezoelectric spherical motor using only one piezoelectric element was analyzed. The resonance frequencies of the motor´s plate type piezoelectric vibrator were calculated by finite element method. The computer simulation was executed to analyze the motion trajectory of the four contact points between the stator and the sphere. Simulation results verified that the four contact points can form timing reasonable elliptical trajectories which re designed to drive the sphere to form two rotation degrees of freedom. The conclusion indicated the formation of two-dimensional movement mechanism of the spherical motor.
Keywords :
digital simulation; finite element analysis; mechanical engineering computing; stators; ultrasonic motors; vibrations; computer simulation; finite element analysis; motion mechanism analysis; piezoelectric spherical motor; piezoelectric vibrator; resonance frequencies; spherical ultrasonic motor; stator; two-degree-of- freedom spherical motor; Acoustics; Finite element methods; Stators; Substrates; Trajectory; Transient analysis; Vibrations;
Conference_Titel :
Information Engineering and Computer Science (ICIECS), 2010 2nd International Conference on
Conference_Location :
Wuhan
Print_ISBN :
978-1-4244-7939-9
Electronic_ISBN :
2156-7379
DOI :
10.1109/ICIECS.2010.5678365