A two-stage time domain subspace method for identification of nonlinear vibrating structures

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• 作者：M.W. Zhang ; S. Wei ; Z.K. Peng ; ^{z.peng@sjtu.edu.cn} ; X.J. Dong ; W.M. Zhang
• 关键词：Nonlinear identification ; Local nonlinearity ; Nonlinear subspace algorithm
• 刊名：International Journal of Mechanical Sciences
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：120
• 期：Complete
• 页码：81-90
• 全文大小：1632 K
• 卷排序：120

文摘

A two-stage subspace method is proposed to identify MDOF nonlinear system. The method gives more accurate estimations and is more robust. The method gives a more suitable estimation of the order of system. Numerical and experimental examples are given to verify relevant analysis.