State and explain Nyquist stability criterion. Draw the complete Nyquist plot for the following open loop transfer function and hence comment on the stability of the closed loop system for K = 1. G(S)H(S) K(s+2) (s+1)(s-1)

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subject : control system
State and explain Nyquist stability criterion. Draw the complete Nyquist plot for the
following open loop transfer function and hence comment on the stability of the
closed loop system for K = 1.
G(S)H(S)
K(s+2)
(s+1)(s-1)
Transcribed Image Text:State and explain Nyquist stability criterion. Draw the complete Nyquist plot for the following open loop transfer function and hence comment on the stability of the closed loop system for K = 1. G(S)H(S) K(s+2) (s+1)(s-1)
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