Changes between Version 16 and Version 17 of UserApp/Proba-V


Ignore:
Timestamp:
Dec 6, 2011, 1:34:29 PM (8 years ago)
Author:
Iliyankatsarski
Comment:

/* PROBA-V (Project for On-Board Autonomy - Vegetation) */

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  • UserApp/Proba-V

    v16 v17  
    6161
    6262The C/D Phase started in July 2010. The system CDR (Critical Design Review) took place in the spring of 2011. The acceptance review is planned for Dec. 2011 and the flight acceptance review is planned for the spring of 2012.. ESA is responsible for the overall mission, the technological payloads and for the launcher selection.
    63 
    64 Background: The VGT instruments (VGT1 & VGT2), each with a mass of ~160 kg and fairly large size, have provided the user community with almost daily global observations of continental surfaces at a resolution of 1.15 km on a swath of ~2200 km. The instruments VGT1 on SPOT-4 (launch March 24, 1998) and VGT2 on SPOT-5 (launch May 4, 2002) are quasi similar optical instruments operating in the VNIR (3 bands) and SWIR (1 band) range.
     63= Background: =
     64
     65The VGT instruments (VGT1 & VGT2), each with a mass of ~160 kg and fairly large size, have provided the user community with almost daily global observations of continental surfaces at a resolution of 1.15 km on a swath of ~2200 km. The instruments VGT1 on SPOT-4 (launch March 24, 1998) and VGT2 on SPOT-5 (launch May 4, 2002) are quasi similar optical instruments operating in the VNIR (3 bands) and SWIR (1 band) range.
    6566
    6667The Vegetation instruments were jointly developed and funded by France, Belgium, Italy, Sweden, and the EC (European Commission). The consortium of CNES, BelSPO (Federal Public Planning Service Science Policy), SNSB (Swedish National Space Board) and VITO (Flemish Institute for Technological Research) is providing the user segment services (data processing, archiving, distribution). Vegetation principally addresses key observations in the following application domains:
     
    7980
    8081PROBA-V will continue the production of Vegetation products exploiting advanced small satellite technology. However, this implies in particular a redesign of the Vegetation payload into a much smaller unit to be able to accommodate it onto the PROBA bus.
    81 
    82 Overview of key requirements of the PROBA-V mission - and some improvements compared to SPOT/Vegetation:
     82= Overview of key requirements of the PROBA-V mission - and some improvements compared to SPOT/Vegetation: =
     83
    8384
    8485 *  Data and service continuity: filling the gap between SPOT-VGT and the Sentinel-3 mission
     
    101102
    102103The PROBA-V project of ESA includes the Space Segment (platform contract award to QinetiQ Space NV of Kruibeke, Belgium - formerly Verhaert), the Mission Control Center (Redu, Belgium) and the User Segment (data processing facility) at VITO NV. VITO (Vlaamse instelling voor technologisch onderzoek - Flemish Institute for Technological Research) is located in northern Belgium. VITO’s processing center of VGT1 and 2 data (SPOT-4 and SPOT-5) is operational since 1999. VITO is also the prime investigator and data service provider of PROBA-V for the user community including product quality control. 14)
    103 
    104 Implementation schedule:
     104= Implementation schedule: =
     105
    105106
    106107 *  The Phase B of the project started in January 2009
     
    128129
    129130The power distribution and conditioning part of ADPMS supplies an unregulated bus, with each equipment having its internal DC/DC converter. The power conditioning system is designed around a Li-ion battery.
    130 = Overview of PROBA-V subsystems =
     131== Overview of PROBA-V subsystems ==
    131132
    132133
     
    173174|}
    174175
    175 Figure 3: PROBA-V spacecraft accommodation (image credit: QinetiQ Space)
     176Figure 3: PROBA-V spacecraft accommodation (image credit: QinetiQ Space)== AOCS (Attitude and Orbit Control Subsystem)  ==
    176177
    177178AOCS (Attitude and Orbit Control Subsystem) provides three-axis attitude control including high accuracy pointing and maneuvering in different spacecraft attitude modes. The AOCS SW is an extension of the one of PROBA-2, including the following algorithms required by the on-board autonomous mission and payload management: 16)
     
    438439|To be decided – designed to be compatible with Vega, Soyuz or Falcon 1E launchers.
    439440|}
    440 See also =
     441= See also==
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    442443