Section 4.5 Non-autonomous Systems (Lyapunov Stability)
Transcript of Section 4.5 Non-autonomous Systems (Lyapunov Stability)
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Nonlinear Systems Analysis
Lecture Note
Section 4.5
Non-autonomous Systems (Lyapunov Stability)
Feng-Li LianNTU-EE
Sep04 – Jan05
© Feng-Li Lian 2004
Ch4.5-2
Nonlinear Systems Analysis
Outline
Introduction (L8)Autonomous Systems (4.1, L8, L9)• Basic Stability Definitions
• Lyapunov’s stability theorems
The Invariance Principle (4.2, L9+L10)• LaSalle’s theorem
Linear Systems and Linearization (4.3, L10)Comparison Functions (4.4, L11)Non-autonomous Systems (4.5, L11)Linear Time-Varying Systems & Linearization (4.6, L11+0.5)Converse Theorems (4.7, L12)Boundedness & Ultimate Boundedness (4.8, L12)Input-to-State Stability (4.9, L13)
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© Feng-Li Lian 2004
Ch4.5-3
Nonlinear Systems Analysis
E.P. of Non-Autonomous Systems (4.5)
© Feng-Li Lian 2004
Ch4.5-4
Nonlinear Systems Analysis
E.P. of Non-Autonomous Systems
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© Feng-Li Lian 2004
Ch4.5-5
Nonlinear Systems Analysis
E.P. of Non-Autonomous Systems
© Feng-Li Lian 2004
Ch4.5-6
Nonlinear Systems Analysis
Stability and Asymptotic Stability
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Ch4.5-7
Nonlinear Systems Analysis
Stability and Asymptotic Stability
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Ch4.5-8
Nonlinear Systems Analysis
Stability and Asymptotic Stability
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Ch4.5-9
Nonlinear Systems Analysis
Stability and Asymptotic Stability
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Ch4.5-10
Nonlinear Systems Analysis
Example 4.17: Stability Case
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Ch4.5-11
Nonlinear Systems Analysis
Example 4.17: Stability Case
© Feng-Li Lian 2004
Ch4.5-12
Nonlinear Systems Analysis
Example 4.17: Stability Case
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© Feng-Li Lian 2004
Ch4.5-13
Nonlinear Systems Analysis
Example 4.18: Asymp. Stability Case
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Ch4.5-14
Nonlinear Systems Analysis
Example 4.18: Asymp. Stability Case
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Ch4.5-15
Nonlinear Systems Analysis
Definitions of Stability, etc.
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Ch4.5-16
Nonlinear Systems Analysis
Definitions of Stability, etc.
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Ch4.5-17
Nonlinear Systems Analysis
Lemma 4.5
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Ch4.5-18
Nonlinear Systems Analysis
Lemma 4.5
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Ch4.5-19
Nonlinear Systems Analysis
Definition 4.5
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Ch4.5-20
Nonlinear Systems Analysis
Theorem 4.8: U.S. & Proof
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Ch4.5-21
Nonlinear Systems Analysis
Theorem 4.8: U.S. & Proof
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Ch4.5-22
Nonlinear Systems Analysis
Theorem 4.8: U.S. & Proof
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© Feng-Li Lian 2004
Ch4.5-23
Nonlinear Systems Analysis
Theorem 4.8: U.S. & Proof
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Ch4.5-24
Nonlinear Systems Analysis
Theorem 4.8: U.S. & Proof
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Ch4.5-25
Nonlinear Systems Analysis
Theorem 4.8: U.S. & Proof
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Ch4.5-26
Nonlinear Systems Analysis
Theorem 4.9: U.A.S. & G.U.A.S.
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Ch4.5-27
Nonlinear Systems Analysis
Theorem 4.9: U.A.S. & G.U.A.S.
© Feng-Li Lian 2004
Ch4.5-28
Nonlinear Systems Analysis
Theorem 4.9: U.A.S. & G.U.A.S.
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© Feng-Li Lian 2004
Ch4.5-29
Nonlinear Systems Analysis
Theorem 4.9: U.A.S. & G.U.A.S.
© Feng-Li Lian 2004
Ch4.5-30
Nonlinear Systems Analysis
Theorem 4.9: U.A.S. & G.U.A.S.
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Ch4.5-31
Nonlinear Systems Analysis
Theorem 4.9: U.A.S. & G.U.A.S.
© Feng-Li Lian 2004
Ch4.5-32
Nonlinear Systems Analysis
Theorem 4.9: U.A.S. & G.U.A.S.
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© Feng-Li Lian 2004
Ch4.5-33
Nonlinear Systems Analysis
PD, ND & US, UAS, GUAS
© Feng-Li Lian 2004
Ch4.5-34
Nonlinear Systems Analysis
PD, ND & US, UAS, GUAS
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© Feng-Li Lian 2004
Ch4.5-35
Nonlinear Systems Analysis
Theorem 4.10: E.S. & G.E.S.
© Feng-Li Lian 2004
Ch4.5-36
Nonlinear Systems Analysis
Theorem 4.10: E.S. & G.E.S.
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© Feng-Li Lian 2004
Ch4.5-37
Nonlinear Systems Analysis
Theorem 4.10: E.S. & G.E.S.
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Ch4.5-38
Nonlinear Systems Analysis
Example 4.19: G.U.A.S.
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© Feng-Li Lian 2004
Ch4.5-39
Nonlinear Systems Analysis
Example 4.20: G.E.S.
© Feng-Li Lian 2004
Ch4.5-40
Nonlinear Systems Analysis
Example 4.20: G.E.S.
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© Feng-Li Lian 2004
Ch4.5-41
Nonlinear Systems Analysis
Example 4.20: G.E.S.
© Feng-Li Lian 2004
Ch4.5-42
Nonlinear Systems Analysis
Example 4.21: G.E.S. of LTV System
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© Feng-Li Lian 2004
Ch4.5-43
Nonlinear Systems Analysis
Example 4.21: G.E.S. of LTV System