Consider a system in the standard feedback configuration R(s) Magnitude (dB) Phase (deg) for which the Bode plot of the forward gain C(s)G(s) is shown in the image below. 40 20 0 -20 -40 -60 -88 -120 -150 -180 C(s) 10-2 G(s) Y(s) Bode Diagram 10⁰ 101 Frequency (rad/s) 10-1 You would like to achieve a closed-loop damping ratio (-0.2. By how much would you need to change the controller gain K to achieve (approximately) this result? 10² 103

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Consider a system in the standard feedback configuration
R(S)
Magnitude (dB)
Phase (deg)
for which the Bode plot of the forward gain C(s)G(s) is shown in the image below.
40
20
-20
-40
-60
88
-120
-150
-180
C(s)
10-²
G(s)
Y(s)
Bode Diagram
10⁰
Frequency (rad/s)
10¹
10-1
You would like to achieve a closed-loop damping ratio (-0.2. By how much would you need to
change the controller gain K to achieve (approximately) this result?
10²
103
Transcribed Image Text:Consider a system in the standard feedback configuration R(S) Magnitude (dB) Phase (deg) for which the Bode plot of the forward gain C(s)G(s) is shown in the image below. 40 20 -20 -40 -60 88 -120 -150 -180 C(s) 10-² G(s) Y(s) Bode Diagram 10⁰ Frequency (rad/s) 10¹ 10-1 You would like to achieve a closed-loop damping ratio (-0.2. By how much would you need to change the controller gain K to achieve (approximately) this result? 10² 103
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