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17127
24/05/2017

Flexible technology for millimeter-wave wireless sensors applications

A.TAKACS, D.DRAGOMIRESCU, S.CHARLOT, P.F.CALMON

MINC, TEAM

Manifestation avec acte : International Workshop IEEE Electronics, Control, Measurement, Signals and their application to Mechatronics ( ECMSM ) 2017 du 24 mai au 26 mai 2017, Saint Sébastien (Espagne), Mai 2017, pp.303-306 , N° 17127

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Abstract

This paper addresses recent advances obtained in LAAS CNRS concerning the developments of the flexible kapton technology and the use of this technology in the manufacturing of flexible and conformal structures for applications like Wireless Sensor Networks (WSNs) and Structure Health Monitoring (SHM). Flexible kapton supported passive devices are presented as well as the technological process developed for the heterogeneous integration of active circuits with such flexible passive devices.

139873
17128
24/05/2017

Recent advances in electromagnetic energy harvesting and wireless power transfer for IoT and SHM applications

A.TAKACS, A.OKBA, H.AUBERT, S.CHARLOT, P.F.CALMON

MINC, TEAM

Manifestation avec acte : International Workshop IEEE Electronics, Control, Measurement, Signals and their application to Mechatronics ( ECMSM ) 2017 du 24 mai au 26 mai 2017, Saint Sébastien (Espagne), Mai 2017, pp.299-302 , N° 17128

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Abstract

This paper addresses the recent advances obtained in LAAS-CNRS Toulouse concerning the development of compact, high-efficiency and multiband RF/microwave energy harvesting devices for autonomous wireless sensors. Several topology of rectenna designed for the Structural Health Monitoring of the satellite antenna panels and for Internet of Things application are discussed.

139875
17118
05/05/2017

VHF/UHF Kapton supported antenna for cubesat applications

A.TAKACS, S.CHARLOT, P.F.CALMON, D.DRAGOMIRESCU

MINC, TEAM

Rapport LAAS N°17118, Mai 2017, 2p.

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139758
17077
22/03/2017

Energy efficient IR-UWB transceiver for autonomous wireless sensor network

B.BENAMROUCHE, D.DRAGOMIRESCU

MINC

Manifestation avec acte : International Conference on Internet of Things, Data and Cloud Computing ( ICC ) 2017 du 22 mars au 23 mars 2017, Cambridge (UK), Mars 2017, 4p. , N° 17077

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139475
17076
22/03/2017

A stack cross-layer analytical model for CSMA/CA IEEE 802.15.4 networks

Z.LIU, D.DRAGOMIRESCU, G.DA COSTA, T.MONTEIL

IRIT, MINC, IRIT-UPS, SARA

Manifestation avec acte : International Conference on Internet of Things, Data and Cloud Computing ( ICC ) 2017 du 22 mars au 23 mars 2017, Cambridge (UK), Mars 2017, 7p. , N° 17076

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139473
16480
10/02/2017

Fabrication and modeling of a capacitor microfluidically tuned by water

N.HABBACHI, H.BOUSSETTA, A.BOUKABACHE, M.A.KALLALA, P.PONS, K.BESBES

Monastir, MILE, MINC

Revue Scientifique : IEEE Electron Device Letters, Vol.38, N°2, pp.277-280, Février 2017, DOI: 10.1109/LED.2016.2644540 , N° 16480

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Abstract

This letter presents fabrication and modeling of a continuously tunable microfluidic capacitor, which is composed of electrodes obtained by classical electrodeposition and microfluidic channels generated by lamination of SU-8 films. We show that the capacitance increases continuously between Cmin = 0.52 pF and Cmax = 18.5 pF following addition of deionized (DI) water in microchannels. The capacitance tuning range reaches 3460% at 500 MHz. The quality factor decreases from Qmax = 69 when the capacitor is empty to Qmin = 5.3 when it is fully filled with DI water. We also model the electric field and current distributions inside microfluidic channels, showing that electric field is cancelled as they are entirely filled with DI water.

138952
16463
27/01/2017

Tunable MEMS capacitor: influence of fluids

N.HABBACHI, H.BOUSSETTA, A.BOUKABACHE, M.A.KALLALA, P.PONS, K.BESBES

Monastir, MILE, MINC

Revue Scientifique : Electronics Letters, Vol.53, N°2, pp.72-73, Janvier 2017 , N° 16463

Lien : https://hal.laas.fr/hal-01415341

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Abstract

In this letter we evaluate the effect of a dielectric liquid on the tunability of capacitor operating in RF domains. The RF measurement shows a high variations of the resonant frequency accompanied with a low insertion loss. Moreover, the fluid positions between electrodes modifies the capacitance value up to Tr = 6660% at 600MHz. The quality factor decreases in response of water filling from Qmax = 51.9 when it is empty to Qmin = 1.49 when it is fully filled. According to the FEM analysis, the change of the dielectric permittivity influences the capacitor performances. Essentially, the tuning range of the capacitance and the quality factor could reach respectively: Tr = 7660% and Qmin = 35.-

Abstract

In this letter we evaluate the effect of a dielectric liquid on the tunability of capacitor operating in RF domains. The RF measurement shows a high variations of the resonant frequency accompanied with a low insertion loss. Moreover, the fluid positions between electrodes modifies the capacitance value up to Tr = 6660% at 600MHz. The quality factor decreases in response of water filling from Qmax = 51.9 when it is empty to Qmin = 1.49 when it is fully filled. According to the FEM analysis, the change of the dielectric permittivity influences the capacitor performances. Essentially, the tuning range of the capacitance and the quality factor could reach respectively: Tr = 7660% and Qmin = 35.-

138674
16565
19/12/2016

Flexible substrate technology for millimeter wave applications

Z.YANG

MINC

Doctorat : INSA de Toulouse, 19 Décembre 2016, 105p., Président: P.PONS, Rapporteurs: R.MULLER, G.PAPAIOANNOU, Examinateurs: A.GHIOTTO, Directeurs de thèse: D.DRAGOMIRESCU, A.TAKACS , N° 16565

Lien : https://hal.laas.fr/tel-01499425

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Résumé

Cette thèse fait partie des efforts de recherche pour étudier l’intégration hétérogène sur le substrat souple des nœuds de communicants pour les réseaux de capteurs sans fil dans la bande à 60GHz. Le System in Package (SiP) devrait avoir une consommation d'énergie très faible et être faible coût pour répondre aux exigences des applications telles que la Surveillance de Santé de Structure (Structure Health Monitoring - SHM en anglais) dans le domaine aéronautique par exemple. Chaque nœud est composé des nano-capteurs, des transceivers et des antennes d’émission et de réception. Les nanotechnologies ont permis le développement de nano-capteurs ultra-sensibles à base de nanoparticules. Les transceivers deviennent de plus en plus miniaturisés et donc permettre la possibilité de les reporter sur le substrat flexible. Les antennes peuvent être intégrés sur le substrat flexible avec les nano-capteurs développés et émetteurs miniaturisés, ce qui est l'approche très innovante de cette thèse.

Abstract

This thesis is part of research effort to develop a 3D heterogeneous integration of wireless sensor node on flexible substrate for the unlicensed 60GHz band. The System in Package (SiP) should have a very low power consumption and very low cost to meet the requirements of applications like Wireless Sensor Networks (WSNs) for Structure Health Monitoring (SHM). Using a flexible substrate for wireless sensor node integration can offer the advantage of being localized in areas with access difficulty especially in non-planar area. Each node is composed of nano-sensors, transceivers and TX/RX antenna. Nanotechnologies made it possible the development of ultra-sensitive nano-sensors based on nanoparticles deposition. Transceivers become more and more miniaturized and hence enable the possibility of postpone them onto flexible substrate. The antennas can be integrated on the flexible substrate along with the developed nano-sensors and miniaturized transceivers, which is the very innovative approach of this thesis.

Mots-Clés / Keywords
Heterogeneous integration; Flip-chip; Technological process on flexible substrate; Antennas on Kapton; Intégration hétérogène; Process technologic sur substrat souple;

139376
16572
06/12/2016

Self-Powered energy harvester strain sensing device for structural health monitoring

A.ALVAREZ, M.BAFLEUR, J.M.DILHAC, J.COLOMER, D.DRAGOMIRESCU, J.LOPEZ, M.ZHU, P.MIRIBEL

Université de Barcel, ESE, MINC, Exeter

Revue Scientifique : Journal of Physics: Conference Series, Vol.773, 012070p., Décembre 2016, doi:10.1088/1742-6596/773/1/012070 , N° 16572

Lien : https://hal.archives-ouvertes.fr/hal-01497552

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Abstract

This paper presents an envisaged autonomous strain sensor device, which is dedicated to structural health monitoring applications . The paper introduces the ASIC approach that replaces the discrete approach of some of the main modules.

139454
16572
06/12/2016

Self-Powered energy harvester strain sensing device for structural health monitoring

A.ALVAREZ, M.BAFLEUR, J.M.DILHAC, J.COLOMER, D.DRAGOMIRESCU, J.LOPEZ, M.ZHU, P.MIRIBEL

Université de Barcel, ESE, MINC, Exeter

Manifestation avec acte : International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications ( PowerMEMS ) 2016 du 06 décembre au 09 décembre 2016, Paris (France), Décembre 2016, 4p. , N° 16572

Lien : https://hal.archives-ouvertes.fr/hal-01497552

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Abstract

This paper presents an envisaged autonomous strain sensor device, which is dedicated to structural health monitoring applications . The paper introduces the ASIC approach that replaces the discrete approach of some of the main modules.

139453
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