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An efficient approach to optimize the vibration mode of bar-type ultrasonic motors. Ultrasonics [Ultrasonics] Journal article

 
TitleAn efficient approach to optimize the vibration mode of bar-type ultrasonic motors.
Author(s)Zhu H, Li Z, Zhao C 
InstitutionPrecision Driving Laboratory, Nanjing University of Aeronautics and Astronautics, NUAA, Nanjing 210016, China.
SourceUltrasonics 2009 Oct 23.
AbstractThe electromechanical coupled dynamic model of the stator of the bar-type ultrasonic motor is derived based on the finite element method. The dynamical behavior of the stator is analyzed via this model and the theoretical result agrees with the experimental result of the stator of the prototype motor very well. Both the structural design principles and the approaches to meet the requirements for the mode of the stator are discussed. Based on the pattern search algorithm, an optimal model to meet the design requirements is established. The numerical simulation results show that this optimal model is effective for the structural design of the stator.
LanguageENG
Pub Type(s)JOURNAL ARTICLE
PubMed ID19926107