Fundamental constraints on uncertainty evolution in Hamiltonian Systems

淡江大學機構典藏 > 工學院 > 航空太空工程學系暨研究所 > 會議論文 > Item 987654321/38392

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题名:	Fundamental constraints on uncertainty evolution in Hamiltonian Systems
作者:	Hsiao, Fu-yuen;Scheeres, D.J.
贡献者:	淡江大學航空太空工程學系
日期:	2006-06
上传时间:	2010-01-11 15:12:19 (UTC+8)
摘要:	A realization of Gromov's nonsqueezing theorem and its applications to uncertainty analysis in Hamiltonian systems are studied in this paper. Gromov's nonsqueezing theorem describes a fundamental property of symplectic manifolds, however, this theorem is usually started in terms of topology and its physical meaning is vague. In this paper we introduce a physical interpretation of the linear symplectic width, which is the lower bound in the nonsqueezing theorem, given the eigenstructure of a positive-definite, symmetric matrix. Since a positive-definite, symmetric matrix always represents the uncertainty ellipsoid in practical mechanics problems, our study can be applied to uncertainty analysis. We find a fundamental inequality for the evolving uncertainty in a linear dynamical system and provide some numerical examples.
關聯:	Proceedings of the American Control Conference, 2006, 6p.
DOI:	10.1109/ACC.2006.1657520
显示于类别:	[航空太空工程學系暨研究所] 會議論文

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