The gain-phase plot of a linear control system is shown below. What are gain margin (GM) and

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The gain-phase plot of a linear control system is shown below.

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What are gain margin (GM) and phase margin ( $\mathrm{PM}$ ) of the system?
(a) $\mathrm{GM}>0 \mathrm{~dB}$ and $\mathrm{PM}>0$ degree
(b) $\mathrm{GM}(c) \(\mathrm{GM}>0 \mathrm{~dB}$ and $\mathrm{PM}(d) \(\mathrm{GM}0$ degree

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Related Book For answer-question

Control System Analysis And Design

ISBN: 9788122438857

2nd Edition

Authors: A.K. Tripathi

Question Posted: Feb 01, 2024 03:01 AM

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The gain-phase plot of a linear control system is shown below. What are gain margin (GM) and

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gain (dB) +20 0 - 20 - 270 3 8 - 90 - 180 Phase (degrees)

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