Prototyping and characterization of an adjustable skew angle single gimbal control moment gyroscope
Kocis, Shawn M.
Ross, I. Michael
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This thesis is the second phase of development of an open architecture control moment gyroscope (CMG). The focus is on designing an adjustable skew angle single gimbal CMG frame, and integrating a previously developed momentum wheel assembly into it. The result of this phase is a fully operational CMG that can be used to retrofit the NPS Reconfigurable Satellite Autonomy Testbed (R-SAT). The open architecture design allows for both hardware and software upgrades to the R-SAT Attitude Determination and Control System (ADCS). This capability is vitally important in order to support the development and testing of new satellite control algorithms that can be used to improve the agility and efficiency of satellite maneuvers. The CMG developed in this project is capable of delivering 7.79 Nm of output torque at the standard gimbal rate of 1 rad/s. The CMG power consumption ranges between 50W and 100W. 4. SUBJECT TERMS Control Moment Gyroscope, Control Moment Gyro, gimbal, momentum wheel, momentum wheel assembly, skew angle, adjustable skew angle, back drive, open architecture
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