Handout 4: Root-Locus Review Eric Feron Feb17,2004 Summary of Guidelines for plotting a root-locus 1. Mark Poles X and Zeros O 2. Draw the locus on the real axis to the left of an odd number of real poles plus zeros
Handout 2: Gain and Phase margins Eric Feron Feb6,2004 Nyquist plots and Cauchy's principle Let H(s) be a transfer function. eg H(s)= s2+s+1 (s+1)(s+3) Evaluate H on a contour in the s-plane. (your plots here)