SENyT | Electronic Systems for Navigation and Telecommunications

ADCS for CubeSats

Attitude Determination and Control System for CubeSat missions in low Earth orbit.

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Applications

  • CubeSat attitude control
  • Nanosatellite formation flying system

Features

  • ARM 32 bit Cortex -M4 CPU with FPU
  • 3.3V DC and VBAT power inputs
  • 6 x coarse sun sensor wired inputs
  • 3 x H-bridge wired outputs for magnetorquer control with current measurement
  • 1 x RS-422 UART interface
  • 2 x on-board gyroscopes and 1 x on-board magnetometer
  • Bus interfaces: 1 x CAN interfaces and 1 x I2C
  • SPI interface, I2C and general purpose pins for custom applications
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The ADCS (Attitude Determination and Control System) for CubeSats is a compact module suitable for CubeSats or nanosatellites operating in low Earth orbit. It supports up to six coarse sun sensors and provides measurements from two gyroscopes and one magnetometer. The output signals come from three independant H-bridges to allow 3-axis magnetorquer control.

Several interfaces like SPI, I2C, CAN or RS-422 provide communication with the on-board computer and other nanosatellite modules. The microcontroller embedded on the board allows to implement a variety of algorithms, such as Kalman filters.