The problem of suboptimal finite-time control for a class of large scale singular discrete-time equations with delayed interconnections is studied in this paper. Making use of singular value theory and Lyapunov function method, new delay-dependent conditions are established for solving the finite-time H-infinity control and guaranteed cost control problems of such equations. The conditions are presented in the form of tractable linear matrix inequalities (LMIs). Illustrated examples with simulations show the feasibility and effectiveness of the proposed results. (C) 2022 European Control Association. Published by Elsevier Ltd. All rights reserved.
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