Summary

The AAC Clyde Space Trillian-1 is a reaction wheel for constellation deployment and small satellite missions with NASA GEVS acceptance levels.

The system features a dedicated motor driver control circuit to command the reaction wheel. There are three operation modes: Torque, Speed, and Direct DAC control.

The input filters of the system help in reducing the signal noise. The system is designed to offer higher reliability, adaptability, and accuracy.

Applications

Constellation deployment and small satellite missions.

Key features

  • 316L Stainless Steel and Aluminium
  • Input filters to reduce signal noise
  • A dedicated motor driver control circuit
  • Protection Circuitry
  • 10+ telecommands and telemetries

Flight heritage

The system achieved flight heritage. Trillian-1 has flown since 2019 with over 10 units sold.

Testing & qualification

Each unit is tested to NASA GEVS Acceptance levels prior to shipment ensuring the Trillian-1 can survive a wide range of launch loads.

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Last updated: 2024-03-13

Trillian-1 Reaction Wheel

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Specs

mass
1.5 kg
width
135 mm
length
135 mm
height
82 mm
supply voltage
20 to 34 V
idle power
1.5 W
power
12 W
peak power
24 W
maximum torque
47.1 mN m
maximum angular speed
< 6500 rpm
angular speed control accuracy
-1 to +1 % of rpm
maximum momentum storage
-1.2 to 1.2 N m s
operating temperature
-10 to 50 C
storage temperature
-40 to 85 C
mechanical vibration
10.0 Grms

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