© 1991 by Institute of Mathematics and its Applications
Multiparameter Polynomial Adaptive Stabilizers
Fachbereich Mathematik, Universität Kaiserslautern Erwin-Schrödinger-Strasse, W-6750, Kaiserslautern, Germany
In 1983 Morse proved, for unknown scalar one-dimensional linear systems, the nonexistence of rational or polynomial universal stabilizers (UAS). In 1983, Nussbaum gave an example of an analytic UAS. In our paper, it is shown that there exist time-invariant polynomial UAS's with multidimensional gain adaptation. The design procedure is developed for linear, minimum-phase systems of relative degree one. Convergence of the closed-loop system is proved. Some numerical simulations are provided.