© 1994 by Institute of Mathematics and its Applications
A Popov-theory-based approach to digital H
control with measurement feedback for PritchardSalamon systems
*Faculty of Technical Mathematics and Informatics, Delft University of Technology P.O. Box 5031, 2600 G A Delft, The Netherlands
**Department of Automatic Control, Polytechnic Institute of Bucharest 313 Splaiul Independentei, 77206 Bucharest I, Romania
In this paper, we deal with the digital output-measurement-feedback H
control problem for Pritchard-Salamon infinite-dimensional systems with unbounded input and output operators. A discrete Popov-theory-based solution is given in terms of the solvability of Kalman-Szegö-Popov-Yakubovitch systems associated with the equivalent discrete-time time-invariant system obtained by lifting the T-periodic continuous-time system.