The nyquist plot of a conditionally stable system

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The Nyquist plot of a conditionally stable system is shown in Figure P9.4 for a specific gain K. (a) Determine whether the system is stable, and find the number of roots (if any) in the right-hand s-plane. The system has no poles of G_c(s)G(s) in the right half-plane, (b) Determine whether the system is stable if the - 1 point lies at the dot on the axis.

Reference no: EM131127869

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