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Mechbal, Nazih
Processes and Engineering in Mechanics and Materials
in Cooperation with on an Cooperation-Score of 37%
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Publications (17/17 displayed)
- 2023Hybrid twin of RTM process at the scarce data limitcitations
- 2022Design and control of a new electrostrictive polymer based continuum actuator for endoscopic robotcitations
- 2022Design and control of a new electrostrictive polymer based continuum actuator for endoscopic robot ; JIMSScitations
- 2022Prediction of frequency and spatially dependent attenuation of guided waves propagating in mounted and unmounted A380 parts made up of anisotropic viscoelastic composite laminatescitations
- 2022Experimental Damage Localization and Quantification with a Numerically Trained Convolutional Neural Network
- 2020Extrapolation of AR models using cubic splines for damage progression evaluation in composite structurescitations
- 2019Data-Driven Autoregressive Model Identification for Structural Health Monitoring in an Anisotropic Composite Plate.
- 2019Data-Driven Autoregressive Model Identification for Structural Health Monitoring in an Anisotropic Composite Plate.
- 2019Piezoelectric transducer for low frequency sound generation on surface loudspeakers
- 2019Investigation of nonlinear Lamb wave/damage interaction: numerical and experimental approaches
- 2018Optimal dual-PZT sizing and network design for baseline-free SHM of complex anisotropic composite structurescitations
- 2018LASER shock delamination generation and machine learning-based damage quantification in CFRP composites plates
- 2017Generation of controlled delaminations in composites using symmetrical laser shock configurationcitations
- 2017Estimation of the temperature field on a composite fan cowl using the static capacity of surface-mounted piezoceramic transducers
- 2017Estimation of the temperature field on a composite fan cowl using the static capacity of surface-mounted piezoceramic transducerscitations
- 2015Perturbation Analysis for Robust Damage Detection with Application to Multifunctional Aircraft Structures
- 2010Active Damage Detection and Localization Applied to Composite Structure Using Piezoceramic Patches
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document
Piezoelectric transducer for low frequency sound generation on surface loudspeakers
Abstract
This paper describes the comparison of three different types of piezoelectric actuators for application in sound emitting panels so-called load-bearing surface loudspeaker. The first actuator is a piezoelectric ring glued directly to a polypropylene surface of dimension 300 x 200 x 3 mm3. The other two are mechanically amplified piezoelectric actuators of the flat and the cymbal flextensional-type tested in a reactive configuration on the same sized polypropylene panel. Those actuators are compared in terms of vibration response measured with a laser vibrometer and audio response measured with a microphone.