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題名: Bifurcations and Chaotic Motions in a Two-axis Rate Gyro
作者: Heng-Hui Chen
Ming Chang
Fu-Ping Chang
貢獻者: Department of Mechnical Engineering
關鍵詞: Rate Gyro
Bifurcation
Chaos
日期: 2002-03
上傳時間: 2008-08-20T07:51:55Z
摘要: An analysis is presented of a two-axis rate gyro mounted on a space vehicle that is spinning with uncertain angular velocity ωz(t) about its spin of the gyro. For the non-autonomous case in which ωz(t) is sinusoidal function, this system is a strongly nonlinear damped system subjected to parametric excitation. By varying the amplitude of sinusoidal motion, periodic and chaotic responses of this pararnetrically excited nonlinear system are investigated using the numerical simulation. The results, Symmetry-breaking bifurcations, period-doubling bifurcations, and chaotic behavior of the system are observed by various numerical techniques such as phase portraits, Poincaré maps, average power spectra, and Lyapunov exponents.
關聯: ä¿®å¹³å­¸å ± 4, 11-21
顯示於類別:[機械工程系(含精密機械與製造科技碩士班)] 期刊論文

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