Controlled functional differential equations: approximate and exact asymptotic tracking with prescribed transient performance
Eugene P. Ryan, Chris J. Sangwin, Philip Townsend (2008)
ESAIM: Control, Optimisation and Calculus of Variations
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A tracking problem is considered in the context of a class of multi-input, multi-output, nonlinear systems modelled by controlled functional differential equations. The class contains, as a prototype, all finite-dimensional, linear, -input, -output, minimum-phase systems with sign-definite “high-frequency gain". The first control objective is tracking of reference signals by the output of any system in : given , construct a feedback strategy which ensures that, for every (assumed...