European Control Conference 1995: Volume 1

adaptive algebraic algorithm analysis applied approach approximation assume assumption asymptotic bounded closed closed-loop complex computed condition Conference consider constant constraints continuous control system corresponding defined Definition denotes derived described differential discrete disturbance dynamics equal equation equivalent error estimation event example exists expressed fault feedback Figure filter finite frequency function gain given gives holds identification IEEE input internal introduced Italy known Lemma linear linear systems loop matrix means measurements method minimal noise nonlinear norm Note observer obtained operator optimal output parameter performance perturbation plant polynomial positive possible presented problem Proc Proceedings Proof properties reference relation Remark respectively robust satisfies scheme shown signal sliding solution solved space stability step structure sufficient Theorem theory tion Trans uncertain uncertainty variables vector zero