NON-LINEAR MECHANICAL SYSTEMS IDENTIFICA
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S. BELLIZZI; M. DEFILIPPI
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Article
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2003
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Elsevier Science
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English
โ 233 KB
A method to identify the parameters involved in the non-linear terms of randomly excited mechanical systems is presented. It is based on the minimisation of an index function which reflects the difference between an analytical approximation of the powerspectral density function response and the meas