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2016•Unpublished venueRequires access

Real-time method for resonant frequency detection and excitation frequency tuning for piezoelectric ultrasonic transducers

Negareh Ghasemi, Naeim Abedi, Ghassem Mokhtari

Open publisher page 6 citations

Abstract

Estimating the resonance frequency of a piezoelectric transducer and adjusting the operating frequency accordingly are crucial issues when maximum energy conversion is targeted during real-time operation. This paper presents a real-time method to detect the resonance frequency of a piezoelectric ultrasonic transducer during its operation and tune the operational frequency accordingly in order to improve the transducer energy conversion performance.

About this research paper

What this paper is about

Estimating the resonance frequency of a piezoelectric transducer and adjusting the operating frequency accordingly are crucial issues when maximum energy conversion is targeted during real-time operation. This paper presents a real-time method to detect the resonance frequency of a piezoelectric ultrasonic transducer during its operation and tune the operational frequency accordingly in order to improve the transducer energy conversion performance.

Why it matters

OpenAlex reports 6 citations for this work. Citation counts describe recorded attention and do not establish research quality.

Key contribution

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Method / approach

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Main findings

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Available abstract

Estimating the resonance frequency of a piezoelectric transducer and adjusting the operating frequency accordingly are crucial issues when maximum energy conversion is targeted during real-time operation. This paper presents a real-time method to detect the resonance frequency of a piezoelectric ultrasonic transducer during its operation and tune the operational frequency accordingly in order to improve the transducer energy conversion performance.

Key concepts: Transducer, Ultrasonic sensor, Piezoelectricity, PMUT, Acoustics, Energy (signal processing), Resonance (particle physics), Materials science

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