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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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Gorrec, Yann Le
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (4/4 displayed)
- 2013Irreversible thermodynamics and smart materials systems modelling. Example of magnetic shape memory actuators.
- 2012Port hamiltonian modeling of MSMA based actuator: toward a thermodynamically consistent formulation.
- 2012Magnetic Shape Memory Alloys as smart materials for micro-positioning devices.
- 2011From canonical Hamiltonian to Port-Hamiltonian modeling application to magnetic shape memory alloys actuators.
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document
Irreversible thermodynamics and smart materials systems modelling. Example of magnetic shape memory actuators.
Abstract
Smart systems is a very promising technology to design high performance and highly integrated mechatronic devices. Nevertheless, one of the main drawbacks of these devices is the complex non-linear and irreversible behaviour of the active materials at the heart of such systems. To solve these difficulties, this paper presents a thermodynamics based procedure to model more accurately active materials. After a review on energy conversion modeling techniques, the paper extends classical thermodynamics procedure to the case of irreversible processes. The use of internal state variables helps to improve the physical understanding of non-linear and irreversible mechanisms in smart materials. This procedure is applied to Magnetic Shape Memory Alloys actuators and the results are quite encouraging. Modelling methods proposed in this paper improves the understanding of complex active materials for smart systems.