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Proceedings Paper

Analytical solution and modulation of time periodic parameter for dynamic systems
Author(s): Yuanzi Zhou; Yanzhong Wang
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Paper Abstract

Pseudo closed form complete solution for nonlinear dynamical systems subjected to inhomogeneous generalized forcing using state transition matrices was developed, based on the Fourier expansion of periodic matrices and substitution of matrix exponential terms via Lagrange-Sylvester theorem. With a prescribed frequency spectrum, a jump modulation procedure was employed to avoid the aliasing effect when constructing approximation for equivalent stairstep stiffness function, yielding the appropriate constant value over each subinterval. A Hill-Messiner type of two degree-of-freedom system was presented afterwards to demonstrate methods for the forced response and the procedure for the modulation of time periodic parameter. The obtained results are presented and discussed.

Paper Details

Date Published: 20 March 2013
PDF: 6 pages
Proc. SPIE 8768, International Conference on Graphic and Image Processing (ICGIP 2012), 876825 (20 March 2013); doi: 10.1117/12.2010863
Show Author Affiliations
Yuanzi Zhou, BeiHang Univ. (China)
Yanzhong Wang, BeiHang Univ. (China)


Published in SPIE Proceedings Vol. 8768:
International Conference on Graphic and Image Processing (ICGIP 2012)
Zeng Zhu, Editor(s)

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