Attitude Determination Control System

Attitude Determination Control System – responsible for satelitte’s on-orbit steering.

Based on:

  • 2x 3 axis Gyroscope
  • 2x 3 axis Accelerometer
  • 2x 3 axis Magnetometer
  • 3x Magnetorquers
  • 2D fine sun sensor
Attitude Determination Control System

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Technical details

  • Orientation accuracy: ~2deg
  • Max power: 0.9 W
  • Power supply: 3.3 V, 12V

Magnetorquers:

  • 3-axis control
  • Current consumption: 0.0 – 0.5A per axis
  • Manual control possible
  • Mass: 50 g
  • Size: 96 x 96 x 1.6 mm
  • Compatible with PC-104 mechanical interface
  • Orientation accuracy: ~2deg
  • Max power: 0.9 W
  • Power supply: 3.3 V, 12V
  • High power computation unit (ARM Cortex M4 @ 100MHz)
  • SGP4 / SGD4 propagator implemented
  • IGRF 12 geomagnetic model implemented
  • RTC on board available
  • Quaternion or Euler angles attitude representation
  • Thermal-vaccuum

  • Random vibrations

  • EMC