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EXOMARS Industry Day Carrier Module Presentation

EXOMARS Industry Day Carrier Module Presentation. Thales Alenia Space- Italia (Turin). CM Overview. Carrier Module (including DM on top). CM Product Tree. MTP Structure Central Tube Structures (Panels & second. struct.) Thermal Control Hardware (MLI) Propulsion Units:

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EXOMARS Industry Day Carrier Module Presentation

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  1. EXOMARS Industry DayCarrier Module Presentation Thales Alenia Space- Italia (Turin)

  2. CM Overview • Carrier Module • (including DM on top)

  3. CM Product Tree

  4. MTP Structure Central Tube Structures (Panels & second. struct.) Thermal Control Hardware (MLI) Propulsion Units: 424N Main Engine 220N back-up for main engine. 10N Thrusters He tanks MON Tank MMH MTD units MGSE AER PCDU/RTU Battery Harness Solar Array Panels and PVA STR CSSA TTC Units: HGA LGA TPA (TBC) X DST  TWTA RFDN EGSE CM Procurement List

  5. CM Mechanical • Central Tube • 1 194 mm diameter tube • 2 260 mm Height • ITT issued in April • Propositions received • Waiting for sub-co selection

  6. CM Mechanical • Structures • Panels associated to the Central Tube • CFRP panels

  7. CM Mechanical • MTD • Mechanical Thermal Dummies • Simplified unit box representatives of the Mass, size, foot print and fixation, emissivity, thermal dissipation (heaters) • 10 units

  8. CM Propulsion units • 1 x MON Tank • 1194 diameter, 1 450 litres • 4 x MMH Tanks • 600 diameter, 406 litres • 1 x Main Engine • 424N • 2 x 220N Thrusters (ATV) • 12 x 10N Thrusters

  9. CM Thermal Control • MLI • Internal MLI • External MLI • High temperatureMLI around thrusters and Main Engine

  10. CM MGSE • MGSE-CTCB • Container • MGSE-CIHT,CVIS,CVHD,CHTA

  11. CM PCDU • Power Conditioning and Distribution Unit (PCDU) • power distribution, • GNC & RCS management, • standard I/O. • The PCDU will include the following modules and functions : • PCU : provides a 22-34V unregulated bus, based on a Maximum Power Point Tracking (MPPT) regulator topology. The input power will be delivered from a SA during sunlight periods, or from a Li-Ion battery during eclipses and when the SA power is lower than the power demand. • PDU : distributes protected lines to DM, CM units & heaters, and commands pyro devices, • RTU : assures GNC/RCS interfaces, delivers Standards I/O.

  12. CM PCDU PCDU block diagram

  13. CM Battery • Battery • Technology: Lithium-Ion • Bus voltage: 20 - 34V • Name plate capacity: 80 Ah (TBC) • Lifetime: 2 years storage / 36 months in orbit (less than 100 cycles , max DOD 80% ) • Mass 20 Kg

  14. CM Harness • Harness • Power, Signals and 1553 • Roughtly 6 500 points / 250 connectors • Mass: 30 Kg

  15. CM Solar Array H/W • Solar Array Panels • 2 structural CFRP panels • 2 x 4.5 m² • Solar Array PVA • Photo Voltaic Assy of 1 800 W at 1 AU • AsGa cells • Mars Orbiting at 1.6 AU

  16. CM GNC • 2 xSTR • 3-axis autonomous acquisition and tracking w/o any rate information • The tracking shall be robust to angular rate up to 1,5 deg/sec. • The tracking shall be robust to the Solar flare. • The autonomous acquisition shall be performed within 10 minutes in the presence of TBD false star in the field of view. • 1 xCSSA • Core Sun Sensor Assembly

  17. CM TTC &RF • ð2 X-DST, X band Deep Space Transponders. (Used to acquire, lock and demodulate the Rx signal in X band, to synchronize, generate and modulate the Tx signal in X band and to transpond ranging signals. Compatible with DDOR and ) • ð2 TWTA : X band Travelling Wave Tube Assembly, 65W RF output power.(Used to amplify the signal) • ð1 RFDN : X band RF Distribution Network (provides connection between antennas and Rx or TWTA), including mainly diplexers and switches. • ð1 HGA, X band High Gain Antenna : baseline is a single offset reflector antenna (diameter 1100mm) ; Tx gain ~34.4dBi ; Rx gain 33.4 dBi ; circular polarisation • ð3 LGA, X band Low Gain Antenna : omni-directional antenna based on a chocked horn , circular polarisation. (Tx gain >-3dBi ; Rx gain >-2dBi dBi within 90°) • TPA (TBC) Xband Toroidal Pattern Antenna

  18. CM EGSE • ATB + AIT EGSE

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