Question

The unity feedback system shown in Figure (a) below has $G(s) = \frac{10(s+4)}{(s-2)(s-5)}$. Its Nyquist diagram in shown in Figure (b). Using the Nyquist criterion, determine if the system is stable.

          The unity feedback system shown in Figure (a) below has
$G(s) = \frac{10(s+4)}{(s-2)(s-5)}$. Its Nyquist diagram in shown in Figure (b). Using the
Nyquist criterion, determine if the system is stable.

The unity feedback system shown in Figure (a) below has
G(s) = (10(s+4))/((s-2)(s-5)). Its Nyquist diagram in shown in Figure (b). Using the
Nyquist criterion, determine if the system is stable.

Added by Brandi F.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Madhur L

09/07/2023

Step 1

Step 1: The Nyquist criterion states that a closed-loop system is stable if and only if the Nyquist plot of the open-loop transfer function encircles the point (-1, 0) in the complex plane exactly N times in the counterclockwise direction, where N is the number of Show more…

Show all steps

Thanks for your feedback!

The unity feedback system shown in Figure (a) below has $$G(s) = \frac{10(s+4)}{(s-2)(s-5)}.$$ Its Nyquist diagram in shown in Figure (b). Using the Nyquist criterion, determine if the system is stable. R(s) + E(s) C(s) G(s) Imaginary Axis (a) Real Axis Nyquist Diagram