[IEEE Modern Technique and Technologies. MTT'2002. 8th International Scientific and Practical Conference of Students, Post-graduates and Young Scientists - Tomsk, Russia (8-12 April 2002)] Proceedings of the 8th International Scientific and Practical Conference of Students, Post-graduates and Young Scientists Modern Technique and Technologies, 2002. MTT 2002. - Application of the methods of root locus and D-decomposition for the analysis of the robust relative stability of the system