Model parameters of a nonlinear mechanical system are identifiable if a unique relationship exists between its input–output behavior and the parameter values. The identifiability analysis of the parameters is one of the most important steps in the parametric model identification of nonlinear mechanical systems. The concept and two numerical approaches of analyzing the identifiability are presented in this paper. We propose that, via case studies, one had better check of the local identifiability of a parametric model at the identified parameter point using the numerical approach, when the parameter identification procedure has been finished.
Numerical Approach to Identifiability Test of Parametric Models in Nonlinear Mechanical Systems
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Jia-fan, Z., Qing-hua, Y., and Tong, Z. (July 19, 2011). "Numerical Approach to Identifiability Test of Parametric Models in Nonlinear Mechanical Systems." ASME. J. Dyn. Sys., Meas., Control. September 2011; 133(5): 051002. https://doi.org/10.1115/1.4004062
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