An impact rotary motor based on a fiber torsional piezoelectric actuator

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2009 English Publisher:AIP PublishingJournal:Review of Scientific Instruments, volume 80 (issn: 0034-6748, eissn: 1089-7623,

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Authors: W X, Han; Q, Zhang; Y T, Ma; C L, Pan; Z H, Feng;

doi: 10.1063/1.3053166

pmid: 19191453

An impact rotary motor based on a fiber torsional piezoelectric actuator

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Abstract

A prototype small impact rotary motor has been fabricated based on a newly developed torsional actuator which is 15.0 mm long and 1.0 mm in diameter. The motor can rotate when it is powered with a saw-shaped voltage. The experimental results show that its angular speed is proportional to both the driving voltage’s amplitude and the frequency under 1 kHz. The large nonlinearity occurs at higher driving frequency due to the resonance of the partial mechanical structure of the motor. The motor can rotate at a speed of 90 rpm with a saw-shaped driving voltage of 600Vp.-p. at 8 kHz, and produce a stall torque of 80 μN m with 1000Vp.-p. at 3 kHz.

Related Organizations

University of Science and Technology of China
China (People's Republic of)

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