Eur. Phys. J. Appl. Phys.
Volume 34, Number 1, April 2006
|Page(s)||55 - 65|
|Section||Physics of Energy Conversion and Coupled Phenomena|
|Published online||04 May 2006|
Modelling and identification of a planar standing wave ultrasonic motor
Identification of a planar actuator
Laboratoire d'Électrotechnique et d'Électronique de Puissance de Lille (L2EP),
Project ALCOVE-INRIA IRCICA, Polytech'Lille, Bât. E, avenue Paul Langevin,
59655 Villeneuve d'Ascq, France
Corresponding author: email@example.com
Revised: 23 January 2006
Accepted: 1 February 2006
Published online: 4 May 2006
The aim of this paper is to define a linear model of a planar standing wave ultrasonic motor (SWUM). First, the analytical approach using the variational formulation is presented. An identification method is deduced to find the parameters of a vibrating rectangular plate. Non-linearities are also emphasized and verified by the experimental measurements. Secondly, the mechanical energy conversion of the actuator is identified, using an average behavior modelling and a linear approach for the contact interaction. Finally, a complete modelling of the actuator is presented, using the Causal Ordering Graph formalism.
PACS: 85.50.-n – Piezoelectric devices / 77.65.-j – Piezoelectricity and electromechanical effects
© EDP Sciences, 2006
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