24 research outputs found
Déploiement et expérimentation d'un systÚme socio-technique pour la surveillance des activités comportementales de personnes en perte d'autonomie dans un habitat intelligent
National audienceHome maintenance is a response to the care of people with loss of autonomy. The technology is now mature enough to support these people in their aging home. SUIPAD project attempts to assess the contribution and impact of some technologies for the automatic collection of data for environmental and physiological knowledge of events, activities and attitudes that characterize the actual behavior of frail people in their ordinary living environment.Le maintien Ă domicile est un Ă©lĂ©ment de rĂ©ponse Ă la prise en charge des personnes en perte dâautonomie. La technologie est aujourdâhui suffisamment mĂ»re pour accompagner ces personnes dans leur vieillissement chez elles. Le projet SUIPAD tente dâĂ©valuer lâapport et lâimpact de certaines technologies pour le recueil automatique de donnĂ©es ambiantes et physiologiques permettant une bonne connaissance des Ă©vĂšnements, des activitĂ©s et attitudes qui caractĂ©risent le comportement rĂ©el de personnes fragiles dans leur environnement de vie ordinaire
The Athena X-ray Integral Field Unit: a consolidated design for the system requirement review of the preliminary definition phase
The Athena X-ray Integral Unit (X-IFU) is the high resolution X-ray
spectrometer, studied since 2015 for flying in the mid-30s on the Athena space
X-ray Observatory, a versatile observatory designed to address the Hot and
Energetic Universe science theme, selected in November 2013 by the Survey
Science Committee. Based on a large format array of Transition Edge Sensors
(TES), it aims to provide spatially resolved X-ray spectroscopy, with a
spectral resolution of 2.5 eV (up to 7 keV) over an hexagonal field of view of
5 arc minutes (equivalent diameter). The X-IFU entered its System Requirement
Review (SRR) in June 2022, at about the same time when ESA called for an
overall X-IFU redesign (including the X-IFU cryostat and the cooling chain),
due to an unanticipated cost overrun of Athena. In this paper, after
illustrating the breakthrough capabilities of the X-IFU, we describe the
instrument as presented at its SRR, browsing through all the subsystems and
associated requirements. We then show the instrument budgets, with a particular
emphasis on the anticipated budgets of some of its key performance parameters.
Finally we briefly discuss on the ongoing key technology demonstration
activities, the calibration and the activities foreseen in the X-IFU Instrument
Science Center, and touch on communication and outreach activities, the
consortium organisation, and finally on the life cycle assessment of X-IFU
aiming at minimising the environmental footprint, associated with the
development of the instrument. Thanks to the studies conducted so far on X-IFU,
it is expected that along the design-to-cost exercise requested by ESA, the
X-IFU will maintain flagship capabilities in spatially resolved high resolution
X-ray spectroscopy, enabling most of the original X-IFU related scientific
objectives of the Athena mission to be retained. (abridged).Comment: 48 pages, 29 figures, Accepted for publication in Experimental
Astronomy with minor editin
The Athena X-ray Integral Field Unit: a consolidated design for the system requirement review of the preliminary definition phase
The Athena X-ray Integral Unit (X-IFU) is the high resolution X-ray spectrometer studied since 2015 for flying in the mid-30s on the Athena space X-ray Observatory. Athena is a versatile observatory designed to address the Hot and Energetic Universe science theme, as selected in November 2013 by the Survey Science Committee. Based on a large format array of Transition Edge Sensors (TES), X-IFU aims to provide spatially resolved X-ray spectroscopy, with a spectral resolution of 2.5 eV (up to 7 keV) over a hexagonal field of view of 5 arc minutes (equivalent diameter). The X-IFU entered its System Requirement Review (SRR) in June 2022, at about the same time when ESA called for an overall X-IFU redesign (including the X-IFU cryostat and the cooling chain), due to an unanticipated cost overrun of Athena. In this paper, after illustrating the breakthrough capabilities of the X-IFU, we describe the instrument as presented at its SRR (i.e. in the course of its preliminary definition phase, so-called B1), browsing through all the subsystems and associated requirements. We then show the instrument budgets, with a particular emphasis on the anticipated budgets of some of its key performance parameters, such as the instrument efficiency, spectral resolution, energy scale knowledge, count rate capability, non X-ray background and target of opportunity efficiency. Finally, we briefly discuss the ongoing key technology demonstration activities, the calibration and the activities foreseen in the X-IFU Instrument Science Center, touch on communication and outreach activities, the consortium organisation and the life cycle assessment of X-IFU aiming at minimising the environmental footprint, associated with the development of the instrument. Thanks to the studies conducted so far on X-IFU, it is expected that along the design-to-cost exercise requested by ESA, the X-IFU will maintain flagship capabilities in spatially resolved high resolution X-ray spectroscopy, enabling most of the original X-IFU related scientific objectives of the Athena mission to be retained. The X-IFU will be provided by an international consortium led by France, The Netherlands and Italy, with ESA member state contributions from Belgium, Czech Republic, Finland, Germany, Poland, Spain, Switzerland, with additional contributions from the United States and Japan.The French contribution to X-IFU is funded by CNES, CNRS and CEA. This work has been also supported by ASI (Italian Space Agency) through the Contract 2019-27-HH.0, and by the ESA (European Space Agency) Core Technology Program (CTP) Contract No. 4000114932/15/NL/BW and the AREMBES - ESA CTP No.4000116655/16/NL/BW. This publication is part of grant RTI2018-096686-B-C21 funded by MCIN/AEI/10.13039/501100011033 and by âERDF A way of making Europeâ. This publication is part of grant RTI2018-096686-B-C21 and PID2020-115325GB-C31 funded by MCIN/AEI/10.13039/501100011033
Les internautes ĂągĂ©s sont-ils moins en mesure dâattribuer une source Ă leur souvenir de lâinteraction avec le Web ?
International audiencePotential age-related differences in making attributions about the origin of remembered events in Web interaction are examined in the present study. A Web-based source-monitoring paradigm was modeled to assess both item and source memory, which incorporated typical Web search tasks. Older adults exhibited a reduced ability in navigation-oriented search, where both a measure of processing speed and a measure of executive function were significant predictors of performance. They were less able to recognize and recollect items previously encountered in web pages. However, source memory was not more impaired with age than item memory. Interestingly, although the addition of cognitive operations as a cue to source had no impact on source memory, it resulted in increased recognition and recollection in the older adults. More generally, recognition and recollection appeared to be dissociated from source memory as a function of different individual difference measures
An episodic account of age differences in web interaction
International audienc
Assessing Web interaction with recollection: Age-related and task-related differences
International audienc
The recollective experience in web-based interaction
International audienc
Les exigences cognitives de la recherche d'informations en fonction de l'aÌge : l'exemple d'Internet
National audienc
Examining task demands in web interaction and age differences through episodic memory
International audienc
Les exigences cognitives de la recherche d'information sur internet et les difficultés liées à l'ùge examinées sous l'angle de la recollection
TOULOUSE2-BUC Mirail (315552102) / SudocSudocFranceF