State-space solution to the periodic multirate H/sub ∞/ control problem: a lifting approach

Autor: Mats F. Sågfors, Bengt Lennartson, Hannu T. Toivonen
Rok vydání: 2000
Předmět:
Zdroj: IEEE Transactions on Automatic Control. 45:2345-2350
ISSN: 0018-9286
DOI: 10.1109/9.895571
Popis: A two-Riccati equation solution to the H/sub /spl infin// control problem for periodic multirate systems is derived via the lifting method. The solution is expressed in terms of two algebraic Riccati equations. The causality constraints are represented by a set of positive definiteness conditions and coupling criteria. As a by-product, the study shows that there is a close connection between the solution of the causally constrained lifted problem and the solution obtained by solving the problem directly as a periodic H/sub /spl infin// problem defined for the multirate system.
Databáze: OpenAIRE