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Article Dans Une Revue IEEE Transactions on Industrial Electronics Année : 2018

Vector Control of Piezoelectric Transducers and Ultrasonic Actuators

Résumé

This paper presents the implementation of a novel vibration amplitude control and resonant frequency tracking for piezoelectric transducers (PTs) and ultrasonic motors (USMs). It is based on a generalization of the vector control method to the PT and the USM, which is explained in the first part. We show that two independent controllers with a similar structure are required: one tracks the resonant frequency and the second controls the amplitude. We then present the implementation into a low-cost digital signal processing controller with a sampling period of 200 µs. Experimental results on a Langevin transducer achieved a time response of 20 ms approximately, and the generality of the method is further demonstrated on a 2-D tactile stimulator at the end of this paper.
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Dates et versions

hal-01798120 , version 1 (23-05-2018)

Identifiants

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Sofiane Ghenna, Frédéric Giraud, Christophe Giraud-Audine, Michel Amberg. Vector Control of Piezoelectric Transducers and Ultrasonic Actuators. IEEE Transactions on Industrial Electronics, 2018, 65 (6), pp.4880-4888. ⟨10.1109/TIE.2017.2784350⟩. ⟨hal-01798120⟩
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