Sandwich-Type Multi-Degree-of-Freedom Ultrasonic Motor With Hybrid Excitation | Zendy

Xiaohui Yang | Zendy; Yingxiang Liu | Zendy; Weishan Chen | Zendy; Junkao Liu | Zendy

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Sandwich-Type Multi-Degree-of-Freedom Ultrasonic Motor With Hybrid Excitation

Author(s) -

Xiaohui Yang,

Yingxiang Liu,

Weishan Chen,

Junkao Liu

Publication year - 2016

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2016.2536611

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

A sandwich-type multi-degree-of-freedom (MDOF) ultrasonic motor with hybrid excitation is proposed in this paper. The motor adopts pair combination of three resonance modes to drive the sphere rotations around three coordinate axes. When the sphere rotates around any axis, all piezoelectric ceramics of the proposed motor are excited for the vibration of the motor. The final structure parameters of the motor are confirmed by way of finite element method, and the elliptical motion trajectories of the driving areas are verified. At last, the prototype is fabricated and tested. The prototype achieves no-load speeds of 109.8 r/min, 107.9 r/min, and 290.8 r/min in the YOZ, XOZ, and XOY driving modes, respectively. The proposed motor employs only four pieces of lead zirconate titanate ceramics to achieve the MDOF rotations of a spherical rotor.

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