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Communication dans un congrès Année : 2015

Modelling, identification and control of a Langevin transducer

Résumé

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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Dates et versions

hal-01364291, version 1 (12-09-2016)

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Sofiane Ghenna, Frederic Giraud, Christophe Giraud-Audine, Michel Amberg, Betty Lemaire-Semail. Modelling, identification and control of a Langevin transducer. IEEE International Workshop of Electronics, Control, Measurement, Signals and their Application to Mechatronics (ECMSM) (Liberec ;2015)), Jun 2015, Liberec, Czech Republic. pp.1-6. ⟨hal-01364291⟩
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