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- W2372500075 abstract "High-frequency vibrations excited by a high-speed rotor of a cantilevered single gimbal control moment gyroscope( SGCMG) have many negative effects on the attitude stability and other performances of some spacecrafts,for instance,an agile small satellite. The severe jitter usually includes some complex frequency components and reveals complicated dynamic characteristics,they are difficult to suppress thoroughly and to perceive exactly. Here,under a linear assumption,the high-speed rotor vibration sources were analyzed,they were found to be the static unbalance,the dynamic unbalance and the geometrical errors of preloading bearing rolling elements. According to the analytic mechanics theory,a dynamic model of a high-speed rotor of a cantilevered SGCMG was established based on its construction,it was a set of coupled second order ordinary differential equations. The facts that the analysis is reasonable and the model is feasible were verified by comparing the both results of the numerical simulation and the vibration tests." @default.
- W2372500075 created "2016-06-24" @default.
- W2372500075 creator A5001883906 @default.
- W2372500075 date "2014-01-01" @default.
- W2372500075 modified "2023-09-23" @default.
- W2372500075 title "Radial vibration characteristics of a high-speed rotor of a cantilevered SGCMG" @default.
- W2372500075 hasPublicationYear "2014" @default.
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