journal article·2024-05

Improvement of energy conversion efficiency in traveling wave rotary ultrasonic motor by increasing friction coefficient

Hucheng Chen, Hongli Ji, Jinhao Qiu

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Abstract

This article introduces a method of enhancing the energy conversion efficiency of a traveling wave rotary ultrasonic motor with a flexible rotor by increasing the friction coefficient at the stator–rotor interface. The increased friction coefficient leads to improvements in energy conversion efficiency by increasing the output power and reducing friction loss power. Experimental verification showed that the friction coefficient in the interface increased from 0.21 to 0.32, the maximum energy conversion efficiency increased from 36.8% to 46.3%, and the interface friction loss was reduced.
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Research context

OpenAlex topics: Piezoelectric Actuators and Control · Soft Robotics and Applications · Iterative Learning Control Systems

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Mechanical and Electrical Engineering, Guilin University of Electronic Technology, Guilin, China

State Key Laboratory of Mechanics and Control of Mechanical Structures, College of Aerospace Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China

Funding

Guangxi Science and technology base and talent project · Project to Enhance the Basic Ability of Young and Middleaged Teachers in Guangxi Universities · the National Natural Science Foundation of China · the Research Fund of State Key Laboratory of Mechanics and Control of Mechanical Structures · Foundation Strengthening Plan Technology Fund

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