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Structural Identification, Structure, Dynamic System, Nonlinearity, Secant, Algorithm, Saturation Function, Structure-Frequency Analysis
The method of structural identification nonlinear dynamic systems is offered in the conditions of uncertainty. The method of construction the set containing the data about a nonlinear part of system is developed. The concept of identifiability system for a solution of a problem structural identification is introduced. The special class of structures S for a solution of problem identification is introduced. We will show that the system is identified, if the structure S is closed. The method of estimation the class of nonlinear functions on the basis of the analysis sector sets for the offered structure S is described. We showed, as on S a preliminary conclusion about a form of nonlinear function to make. We offer algorithms of structural identification of single-valued and many-valued nonlinearities. Examples of structural identification of nonlinear systems are considered.
Nikolay Karabutov, "Structural Identification of Nonlinear Dynamic Systems", International Journal of Intelligent Systems and Applications(IJISA), vol.7, no.9, pp.1-11, 2015. DOI:10.5815/ijisa.2015.09.01
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