Rijksuniversiteit Groningen, Mathematisch Instituut, Postbus 800, 9700 AV Groningen, The Netherlands;Mathematics Research Center, University of Wisconsin-Madison, 610 Walnut Street, Madison, WI 53705 USA
Abstract:
The disturbance decoupling problem for linear control systems is to design a feedback control law in such a way that the disturbances do not influence these outputs which are to be regulated. In this note we present a very simple solution to this problem for a rather general class of retarded functional differential equations with delays in the state variables.