Mass conservative attitude control systems for interplanetary spacecraft.
Gilbreath, David Slagle
Smith, Cameron M.
Fuhs, Allen E.
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Attitude control requirements for interplanetary space are discussed. Spacecraft attitude control systems, excluding mass expulsion devices, are described. Solar pressure, reaction spheres, reaction wheels and control moment gyros are analyzed as sources of control torque. A comparison is made between the reaction wheel and two types of control moment gyros on the basis of weight, power consumption, momentum absorption capability and reliability. The control moment gyros are shown to be the most promising for larger vehicles.
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