Mechanical Sciences
Mechanical Sciences
Mechanical Sciences
Articles | Volume 17, issue 1
Articles | Volume 17, issue 1
https://doi.org/10.5194/ms-17-255-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ms-17-255-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 17, issue 1
Research article
 | 
20 Mar 2026
Research article |  | 20 Mar 2026

Design of ultrasonic power based on a transducer admittance characteristic frequency-tracking method

Dongxing Du, Heng Yue, Qiang Mao, and Jinxing Kong

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Short summary
Ultrasonic tools work best when driven at their natural tone, but that tone drifts during use. We built a power unit that listens to the device’s voltage and current, infers its electrical response, and retunes the drive after only two quick checks. In tests with a 100 w, 40 kHz device, the unit found and held the true tone within 58 Hz of a laboratory instrument. This stable tracking can improve cutting quality, reduce wear, and boost reliability in ultrasonic machining in shops.
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