[IEEE TELSIKS 2005 - 2005 uth International Conference on Telecommunication in ModernSatellite, Cable and Broadcasting Services - Nis, Serbia and Montenegro (28-30 Sept. 2005)] TELSIKS 2005 - 2005 uth International Conference on Telecommunication in ModernSatellite, Cable and Broadcasting Services - Suppression of Arbitrary Periodical Disturbances in the Design of Digitally Controlled Electrical Drives