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Development, Test, Qualification of Miniaturized Wheels for Picosatellites (Microwheels)
Point of Contact
Prof. Dr.-Ing. Klaus Brieß [1]
Prototyp eines Reaktionsradsystems für Picosatelliten mit Ansteuerelektronik
Lupe [2]

Within the scope of the Microwheels project miniaturized reaction wheels were developed to be used as actuators of attitude control in picosatellites with a massup to 1 kg. As a result, a prototype was developed and manufactured.

Various tests to determine the system's behaviour were conducted. During the development of the reaction wheels, future space suitability was prioritized. Finally, three reaction wheels were integrated into a demonstrator, which performed successfully in-orbit. Thus, function and performance parameters were verified.


  • Kayal, H.; Brieß, K. (2005). Pico and Nano Satellite Technologies at the Technical University of Berlin (IAC-05-B5.6.B.03). 56th International Astronautical Congress (IAC), Fukuoka (Japan), 16.–21. Oktober.
  • Kayal, H.; Brieß, K.; Eckler, J.; Hillenmaier, O. (2005). Miniaturisation – A New Evolution Level of Reaction Wheels (IAA-B5-1110P). 5th IAA Symposium on Small Satellites for Earth Observation, Berlin, 4.–8. April.

Kommissarische Fachgebietsleitung

Prof. Dr.-Ing. Dieter Peitsch
Tel. +49 30 314-22878
Room F 007
e-mail query [3]

Grant No.:

50 JR 0452

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