Determine the (i) gain margin K, and (ii) phase margin om of the following open loop...
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Determine the (i) gain margin K, and (ii) phase margin om of the following open loop transfer function using the Nyquist Plot below. The unit circle is given by the circle in red. Imaginary Axis 3 2 -2 -3 Nyquist Diagram O 0 Real Axis 2 Is the closed-loop system stable? Why? If no, discuss how you may stabilize the closed-loop system by changing the gain K, in the controller C(s) ONLY. (Ans: (i) K≈ -2 dB and (ii) m -10°. Unstable as Nyquist Plot encircled the critical point (-1+ j0). Reduce K, by at least) Determine the (i) gain margin K, and (ii) phase margin om of the following open loop transfer function using the Nyquist Plot below. The unit circle is given by the circle in red. Imaginary Axis 3 2 -2 -3 Nyquist Diagram O 0 Real Axis 2 Is the closed-loop system stable? Why? If no, discuss how you may stabilize the closed-loop system by changing the gain K, in the controller C(s) ONLY. (Ans: (i) K≈ -2 dB and (ii) m -10°. Unstable as Nyquist Plot encircled the critical point (-1+ j0). Reduce K, by at least)
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The closed loop system is unstable because the Nyquist plot encircles the critical point 1j0 To stab... View the full answer
Related Book For
Horngrens Accounting
ISBN: 978-0133855388
10th Canadian edition Volume 2
Authors: Tracie L. Miller-Nobles, Brenda L. Mattison, Ella Mae Matsumura, Carol A. Meissner, Jo-Ann L. Johnston, Peter R. Norwood
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