Design Optimization of Ultrasonic Motors Based on Power Flow Analysis
T. Yuan, Shanghai University, Shanghai, China, and
The Pennsylvania State University, University Park, USA
K. Uchino, The Pennsylvania State University, University Park, USA
C.D. Li, Shanghai University, Shanghai, China
A novel design optimization method based on the power flow analysis for a π-shape ultrasonic linear motor is presented in this paper. Power flow in the motor body was calculated and optimized to obtain the best parameters that ensure maximum energy to be transmitted to the drive feet. Based on the analysis of power flow, the π-shape ultrasonic linear motor was redesigned and optimized to improve its performance. The ATILA FEM simulation results demonstrated that the displacements in y-axis direction and total displacement of the drive feet were increase by factors of 3 and 4.1 times, respectively at the fourth bending mode frequency.
ACTUATOR 2016 Manuscript P 14
Publication date: 01/06/2016
Manuscript P 14 published in Conference Proceedings ACTUATOR 2016
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