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HUSTIR > College of Engineering > Department of Mechanical Engineering & Graduate Institute of Precision Machinery and Manufacturing Technology > Journal > Item 310993100/226

Please use this identifier to cite or link to this item: http://ir.hust.edu.tw/dspace/handle/310993100/226

Title:	Bifurcations and Chaotic Motions in a Two-axis Rate Gyro
Authors:	Heng-Hui Chen Ming Chang Fu-Ping Chang
Contributors:	Department of Mechnical Engineering
Keywords:	Rate Gyro Bifurcation Chaos
Date:	2002-03
Issue Date:	2008-08-20T07:51:55Z
Abstract:	An analysis is presented of a two-axis rate gyro mounted on a space vehicle that is spinning with uncertain angular velocity Ïz(t) about its spin of the gyro. For the non-autonomous case in which Ïz(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, PoincarÃ© maps, average power spectra, and Lyapunov exponents.
Relation:	ä¿®å¹³å¸å ± 4, 11-21
Appears in Collections:	[Department of Mechanical Engineering & Graduate Institute of Precision Machinery and Manufacturing Technology] Journal

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