Department of Engineering Home | FEIT Home | ANU Home | Search ANU

Matt James' Home Page

Nonlinear H-Infinity Control

Singular information state dynamics
2-D purely singular

In this animated image we see the information state evolving as a function of time. You will notice that it peaks as time progresses, illustrating convergence to the singular equilibrium information state

from an initial finite-valued initial condition (c is a constant). This equilibrium is a (local) attractor for the information state dynamical system. (In linear H-infinity control theory, this corresponds to the stabilizing solution Y=0 of the filter-type algebraic Riccati equation.)