Hsiuping University of Science and Technology Institutional Repository : Item 310993100/226
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题名: Bifurcations and Chaotic Motions in a Two-axis Rate Gyro
作者: Heng-Hui Chen
Ming Chang
Fu-Ping Chang
贡献者: Department of Mechnical Engineering
关键词: Rate Gyro
Bifurcation
Chaos
日期: 2002-03
上传时间: 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
显示于类别:[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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