Computer science
Systems Analysis And Design
Control System Analysis And Design
Consider the following open loop frequency response of a unity

Consider the following open loop frequency response of a unity feedback system. The gain and phase margin

Question:

Consider the following open loop frequency response of a unity feedback system.

image text in transcribed

The gain and phase margin of the system are respectively
(a) $0.00 \mathrm{~dB},-180^{\circ}$
(b) $3.86 \mathrm{~dB},-180^{\circ}$
(c) $0.00 \mathrm{~dB},-10^{\circ}$
(d) $3.86 \mathrm{~dB}, 10^{\circ}$

Transcribed Image Text:

w, rad/s |G(jo)| |G(j)| 2 7.5 - 118 3 4.8 4 3.15 - 130 - 140 - 5 2.25 6 1.70 8 1.00 - 150 - 157 - 170 10 0.64 - 180

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To determine the gain and phase margins of the system given the open loop frequency response we need to find out the points where the phase angle crosses 180 which gives us the gain margin and the gai...View the full answer

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Control System Analysis And Design

ISBN: 9788122438857

2nd Edition

Authors: A.K. Tripathi

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Question Posted: Feb 01, 2024 03:01 AM

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