Modeling of an Ultrasonic Powder Transportation System
Communication avec acte
Auteur
CHITIC, RazvanGIRAUD, FrédéricLEMAIRE-SEMAIL, BettyFAVRE, MoniqueTIERCE, PascalJEHANNO, Jacky 
BEAREE, RichardRésumé
This paper presents a new powder transportation system that uses a high frequency flexural stationary wave coupled with a low frequency horizontal displacement of a beam to produce the transport of the powder. The ultrasonic wave is produced with the help of piezoelectric cells glued under the beam and is used to decrease the friction coefficient between the powder and the beam surface.
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Communication avec acte; ;BEAREE, Richard (MDPI, 2012)
This paper presents a new powder transportation system that uses a high frequency flexural stationary wave coupled with a low frequency horizontal displacement of a beam to produce the transport of the powder. The ultrasonic ...
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Communication avec acte; ; ; ;GIRAUD-AUDINE, Christophe (IEEE, 2015)
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 ...
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Article dans une revue avec comité de lecture; ; ; ; ;GIRAUD-AUDINE, Christophe (Elsevier, 2014)
When the frequency of the source of vibration of a piezolectric generator is significantly different from its eigenfrequency, the dielectric power losses become prominent and decrease the amount of power which is practically ...
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Article dans une revue avec comité de lecture; ; ; ; ;GIRAUD-AUDINE, Christophe; CLENET, Stephane (Institute of Electrical and Electronics Engineers (IEEE), 2021)
When a finger touches an ultrasonic vibrating plate, a non sinusoidal contact force is produced. This force is denominated acoustical finger force. In this paper, a method is proposed, in order to observe its fundamental ...
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Communication avec acte; ; ; ;GIRAUD-AUDINE, Christophe (IEEE, 2014)
This paper deals with an unidimensional analytical modelling of the vibratory behaviour of a rectangular beam excited by several piezoelectric ceramics glued on its lower face. The establishment of the equations of motion ...