Title :
Direct method for discrete low-order modelling
Author_Institution :
National Technical University of Athens, Department of Electrical Engineering, Athens, Greece
Abstract :
An easily implemented method is presented to reduce the order of high-order z transfer functions possessing dominant poles. Without using transformations into the s-domain and simply by adjusting the values of certain parameters, one can enhance the approximation at long or short times.
Keywords :
modelling; transfer functions; discrete low-order modelling; dominant poles; high-order z transfer functions; order reduction;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19840178