IEEE Transactions on Automatic Control, Vol.45, No.7, 1405-1409, 2000
H infinity state feedback control for discrete singular systems
This note deals with the problem of state feedback H-infinity control for discrete singular systems. It is not assumed that the singular system under consideration is necessarily regular. The problem we address is the design of a state feedback controller, such that the resulting closed-loop system is not only regular, causal, and stable, but also satisfies a prescribed H-infinity-norm-bound condition. In terms of certain matrix inequalities, a necessary and sufficient condition for the solution to this problem is obtained, and a suitable state feedback-control law is also given.