Title :
Recursive low rank Hankel approximation and model reduction
Author :
Chahlaoui, Y. ; van Dooren, P.
Author_Institution :
CESAME, Université Catholique de Louvain Bat. Euler, 4 Av.G. Lemaitre, B-1348 Louvain-La-Neuve, Belgium
Abstract :
In this note we present a new updating technique to estimate a low rank approximation of the Hankel map of a time-varying system. We obtain error estimates of our approximation and also explain how to use this for model reduction of time-varying as well as time invariant systems.
Keywords :
Approximation methods; Complexity theory; Controllability; Mathematical model; Observability; Reduced order systems; Time-varying systems; Gramians; Hankel maps; Low-rank approximation; Model reduction; time-varying systems;
Conference_Titel :
European Control Conference (ECC), 2003
Conference_Location :
Cambridge, UK
Print_ISBN :
978-3-9524173-7-9
