The DREAMS experiment flown on the ExoMars 2016 mission for the study of Martian environment during the dust storm season

Carlo Bettanini 1 Francesca Esposito 2 Stefano Debei 1 Ceasare Molfese 2 Giacomo Colombatti 1 Alessio Aboudan 1 John Robert Brucato 3 Fausto Cortecchia 2 Gaetano Di Achille 2 Gian Paolo Guizzo 1 Enrico Friso 1 Francesca Ferri 1 Laurent Marty 2 Vito Mennella 2 Roberto Molinaro 2 Pietro Schipani 2 Simone Silvestro 2 Raffaele Mugnuolo 4 Simone Pirrotta 4 E. Marchetti 4 Ari-Matti Harri 5 Franck Montmessin 6 Colin F. Wilson 7 Ignacio Arruego Rodríguez 8 Sadok Abbaki 9 Victor Apestigue 8 G. Bellucci 10 Jean-Jacques Berthelier 6 S. B. Calcutt 11 François Forget 12 M. Genzer 5 Pierre Gilbert 9 H. Haukka 5 J. J. Jiménez 8 S. Jiménez 13 J-L. Josset 14 O. Karatekin 15 G. Landis 16 R. Lorenz 17 J. Martinez 8 D. Möhlmann 18 David Moirin 9 Ernesto Palomba 10 M. Pateli 11 Jean-Pierre Pommereau 19 C. I. Popa 20 Scot Rafkin 21 Pascal Rannou 22 Nilton O. Renno 23 W. Schmidt 5 Fernando Simoes 24 Aymeric Spiga 12 Francisco Valero 25 L. Vázquez 25 Francis Vivat 9 Olivier Witasse 26
Abstract : The DREAMS (Dust characterization, Risk assessment and Environment Analyser on the Martian Surface) experiment on Schiaparelli lander of ExoMars 2016 mission was an autonomous meteorological station designed to completely characterize the Martian atmosphere on surface, acquiring data not only on temperature, pressure, humidity, wind speed and direction, but also on solar irradiance, dust opacity and atmospheric electrification, to measure for the first time key parameters linked to hazard conditions for future manned explorations. Although with very limited mass and energy resources, DREAMS would be able to operate autonomously for at least two Martian days (sols) after landing in a very harsh environment as it was supposed to land on Mars during the dust storm season (October 2016 in Meridiani Planum) relying on its own power supply. ExoMars mission was successfully launched on 14th March 2016 and Schiaparelli entered the Mars atmosphere on October 20th beginning its ‘six minutes of terror’ journey to the surface. Unfortunately, some unexpected behavior during the parachuted descent caused an unrecoverable critical condition in navigation system of the lander driving to a destructive crash on the surface. The adverse sequence of events at 4 km altitude triggered the transition of the lander in surface operative mode, commanding switch on the DREAMS instrument, which was therefore able to correctly power on and send back housekeeping data. This proved the nominal performance of all DREAMS hardware before touchdown demonstrating the highest TRL of the unit for future missions. This paper describes this experiment in terms of scientific goals, design, performances, testing and operational capabilities with an overview of in flight performances and available mission data.
Type de document :
Communication dans un congrès
2017 IEEE International Workshop on Metrology for AeroSpace (MetroAeroSpace), Jun 2017, Padua, Italy. IEEE, Metrology for AeroSpace (MetroAeroSpace), pp.249-255, 2017, 〈10.1109/MetroAeroSpace.2017.7999574〉
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Soumis le : mercredi 9 août 2017 - 17:02:28
Dernière modification le : vendredi 3 novembre 2017 - 15:32:01

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Carlo Bettanini, Francesca Esposito, Stefano Debei, Ceasare Molfese, Giacomo Colombatti, et al.. The DREAMS experiment flown on the ExoMars 2016 mission for the study of Martian environment during the dust storm season. 2017 IEEE International Workshop on Metrology for AeroSpace (MetroAeroSpace), Jun 2017, Padua, Italy. IEEE, Metrology for AeroSpace (MetroAeroSpace), pp.249-255, 2017, 〈10.1109/MetroAeroSpace.2017.7999574〉. 〈insu-01573505〉

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