Resonance sets of the feedback control equation

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The concept of a resonance set is used to state and prove sufficient conditions for the existence of a periodic solution of the nonlinear vector differential equation f(D)x + + BMg(D)x=p, in which D=d/dt and the functions M, p are periodic in the t variable.


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Entrata in Redazione il 19 giugno 1976.

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Smith, R.A. Resonance sets of the feedback control equation. Annali di Matematica 114, 195–205 (1977).

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  • Differential Equation
  • Periodic Solution
  • Feedback Control
  • Control Equation
  • Nonlinear Vector