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Lyapunovljeva analiza stabilnosti

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<strong>Lyapunovljeva</strong> <strong>analiza</strong> <strong>stabilnosti</strong>Primjer: ẋ = −x + x 3 , LF: V (x) = 1 2 x2f(x) = −x + x 3˙V (x) = xẋ = xf(x) = −x 2 + x 4 = x 2 (x 2 − 1) ≤ 0(x 2 − 1) ≤ 0−1 < x < 1 - domena atrakcijeAnaliza <strong>stabilnosti</strong> za nelinearne sustave prvog reda je jednostavnaS povećanjem reda sustava <strong>analiza</strong> <strong>stabilnosti</strong> postaje sve složenijaNe postoji univerzalna ”receptura” kao u slučaju linearnih sustavaOpća teorija sustava ( ) <strong>Lyapunovljeva</strong> <strong>analiza</strong> <strong>stabilnosti</strong> 12 / 42

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