This publication deals with mathematical modelling, dynamical process characteristics and properties. The intended audience of this book includes graduate students but can be of interest of practising engineers or applied scientists that are interested in modelling, identification, and process control. s Prepared under the project TEMPUS, S JEP-11366-96, FLACE – STU Bratislava, TU Koˇice, ˇ ˇ UMB Bansk´ Bystrica, ZU Zilina