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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Manzoni, S.
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Topics
Publications (6/6 displayed)
- 2024An overview on the use of shape memory alloys for developing adaptive tuned mass dampers
- 2023SMA-based adaptive tuned mass dampers: Analysis and comparisoncitations
- 2021Vibration control with piezoelectric elements: The indirect measurement of the modal capacitance and coupling factorcitations
- 2019Adaptive multi-modal tuned mass dampers based on shape memory alloys: design and validation
- 2015Modelling and control of an adaptive tuned mass damper based on shape memory alloys and eddy currentscitations
- 2014An adaptive tuned mass damper based on shape memory alloys with an extended range of frequencycitations
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article
Vibration control with piezoelectric elements: The indirect measurement of the modal capacitance and coupling factor
Abstract
The knowledge of the modal capacitance and electro-mechanical coupling factor is essential for a proper design of systems with embedded piezoelectric transducers and materials. In light of this, this paper presents two indirect methods for measuring the piezoelectric modal capacitance and a method to estimate the modal electro-mechanical coupling factor. All methods rely on simple vibration measurements of the structure with the piezoelectric transducer connected to a proper shunt impedance, thus avoiding measurements of piezoelectric current and voltage by expensive equipment. For the modal electro-mechanical coupling factor, the proposed method guarantees reduced uncertainty compared to traditional experimental estimation procedures. Upon introduction of the underlying theory, the paper experimentally demonstrates the reliability and effectiveness of the methods by comparison with well-established procedures.