Intelligent Observer and Control Design for Nonlinear Systems Schröder, Dierk; Schröder, D.; Lenz, U.; Beuschel, M.; Hangl, F.D.; Frenz, T.; Strobl, D.; Straub, S.; Fischle, K.; Rau, M.; Angermann, A. Control theory of nonlinear systems, in which either the linear part is known but the relevant nonlinearities in place, kind or parameters ...