A High Revolution Speed Noncontact Ultrasonic Motor Driven by a Non-Symmetrical Electrode

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Published under licence by IOP Publishing Ltd
, , Citation Yang Bin et al 2005 Chinese Phys. Lett. 22 2598 DOI 10.1088/0256-307X/22/10/039

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1 National Key Laboratory of Nano/Micro Fabrication Technology, Key Laboratory for Thin Films and Microfabrication of the Ministry of Education, Institute of Micro and Nano Science and Technology, Shanghai Jiaotong University, Shanghai 200030

Dates

  1. Received 31 May 2005
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0256-307X/22/10/2598

Abstract

A noncontact ultrasonic motor based on a non-symmetrical electrode is proposed. This motor has the advantages of using a simple driving electrode and having a high revolution speed. The revolution speed of its three-blade rotor can reach 5100 rpm under a driving voltage of 20 V. A method operated easily is proposed to measure the output torque.

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10.1088/0256-307X/22/10/039