Abstract
Questions of the stability of the equilibrium position for nonlinear oscillating systems relative to perturbations acting constantly on the system are considered. Theorems are proved governing the stability and instability conditions of the equilibrium point of a nonlinear system of general form. The stability is investigated by using Lyapunov function apparatus.
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Translated from Matematicheskie Zametki, Vol. 3, No. 3, pp. 307–318, March, 1968.
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Khapaev, M.M. Investigation of stability in the theory of nonlinear oscillations. Mathematical Notes of the Academy of Sciences of the USSR 3, 194–200 (1968). https://doi.org/10.1007/BF01387334
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DOI: https://doi.org/10.1007/BF01387334