Title :
First-order-hold sampling of positive real systems and subspace identification of positive real models
Author :
Hoagg, Jesse B. ; Lacy, Seth L. ; Erwin, Scott R. ; Bernstein, D.S.
Author_Institution :
Dept. of Aerosp. Eng., Michigan Univ., Ann Arbor, MI, USA
fDate :
June 30 2004-July 2 2004
Abstract :
This work shows that the transfer function of a continuous-time positive real system with first-order-hold sampling is discrete-time positive real. Next, a method for identifying models that are constrained to be discrete-time positive real is developed.
Keywords :
continuous time systems; discrete time systems; identification; transfer functions; continuous-time positive real system; discrete-time positive real model; first-order-hold sampling; subspace identification; transfer function;
Conference_Titel :
American Control Conference, 2004. Proceedings of the 2004
Conference_Location :
Boston, MA, USA
Print_ISBN :
0-7803-8335-4