Unformatted text preview: ) 1 8 . ( 1 ) ( 2 s s s s G (4) (5 points) Draw a Nyquist plot by MATLAB for the following open-loop system and check the stability of the unity feedback system using Nyquist stability criterion. 2 ) 1 )( 10 ( 10 ) ( s s s G (5) (5 points) Sketch a root-locus diagram for the following system. (NOTE: In the diagram, draw the locations of pole(s) and zero(s), angles of departure from complex poles, and asymptote(s). You may use MATLAB, but do not forget to put the above information on the plot.) ) 2 2 )( 2 ( 1 ) ( 2 s s s s s G...
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- Fall '08
- Nyquist plot, Nyquist stability criterion