Abstract
Conditions are proposed of the availability of the oscillation property in the sense of Yakubovich in a system with a nonlinear nominal portion enclosed by static nonlinear output feedback.A technique is worked out to calculate analytical estimates for the amplitude of oscillations in the system.The relation between estimates for the amplitude of oscillations and the index of excitability of the system with respect to the input is established.Examples are given of the computer modeling for systems of the 2nd and the 3rd order,including Van der Pol and Lorentz systems conforming the applicability of the suggested solutions.
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Translated from Avtomatika i Telemekhanika, No.2, 2005, pp.92–107.
Original Russian Text Copyright © 2005 by Efimov, Fradkov.
This work was supported by the Russian Foundation for Basic Research,project no.02-01-00765,the Fund of assistance of the native science,and Program no.19 of the Presidium of the Russian Academy of Sciences,project no.1.4.
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Efimov, D.V., Fradkov, A.L. Oscillation conditions of nonlinear systems with static feedback. Autom Remote Control 66, 249–264 (2005). https://doi.org/10.1007/s10513-005-0048-7
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DOI: https://doi.org/10.1007/s10513-005-0048-7