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Modelling, identification and control of a Langevin transducer

Abstract : —The control of the vibration amplitude, and the resonance frequency tracking for ultrasonic transducer have been established. However, some applications require to control the vibration amplitude and its relative phase at a fixed frequency as the generation of travelling wave. In this paper, the transducer is modelled in rotating frame, and the decoupling according to two-axis allows to obtain a double independent closed loop control to address this issue. It is possible to control the transducer vibration amplitude and its relative phase, in steady state even in transient by acting on the amplitude of the supply voltage. Thanks to vector control method. This approach will be confirmed with experimental and simulation results.
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https://hal.inria.fr/hal-01201879
Contributor : Sofiane Ghenna <>
Submitted on : Friday, September 18, 2015 - 11:48:25 AM
Last modification on : Tuesday, April 21, 2020 - 12:36:03 PM
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Sofiane Ghenna, Frédéric Giraud, Christophe Giraud-Audine, Michel Amberg, Betty Lemaire-Semail. Modelling, identification and control of a Langevin transducer. 2015 IEEE International Workshop of Electronics, Control, Measurement, Signals and their application to Mechatronics, Jun 2015, leberec, Czech Republic. ⟨10.1109/ECMSM.2015.7208676⟩. ⟨hal-01201879⟩

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