A feedback control system modelled by the differential equation * + ax + kx = 0 is known to be asymptotically stable, for k > 0, a > 0. Set up the state-space form of the equation and show that V(x₁, x₂) = kx² + (x₂ + ax₁)², x₁ = x, x₂ = x is a suitable Lyapunov function for verifying this.

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter11: Differential Equations
Section11.CR: Chapter 11 Review
Problem 12CR
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1.11.1
A feedback control system modelled by the
differential equation
x + ax + kx = 0
is known to be asymptotically stable, for k > 0,
a> 0. Set up the state-space form of the equation
and show that
V(x₁, x₂) = kx² + (x₂ + ax₁)²₂ x₁ = x₂ x₂ = x
is a suitable Lyapunov function for verifying
this.
Transcribed Image Text:1.11.1 A feedback control system modelled by the differential equation x + ax + kx = 0 is known to be asymptotically stable, for k > 0, a> 0. Set up the state-space form of the equation and show that V(x₁, x₂) = kx² + (x₂ + ax₁)²₂ x₁ = x₂ x₂ = x is a suitable Lyapunov function for verifying this.
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