Vibration interaction in a multiple flywheel system |
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Authors: | Jordan Firth Jonathan Black |
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Affiliation: | Air Force Institute of Technology, 2950 Hobson Way, Wright Patterson AFB, OH 45433, United States |
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Abstract: | This paper investigates vibration interaction in a multiple flywheel system. Flywheels can be used for kinetic energy storage in a satellite Integrated Power and Attitude Control System (IPACS). One hitherto unstudied problem with IPACS is vibration interaction between multiple unbalanced wheels. This paper uses a linear state-space dynamics model to study the impact of vibration interaction. Specifically, imbalance-induced vibration inputs in one flywheel rotor are used to cause a resonant whirling vibration in another rotor. Extra-synchronous resonant vibrations are shown to exist, but with damping modeled the effect is minimal. Vibration is most severe when both rotors are spinning in the same direction. |
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