5e -0.1s Where: 0.6 b = 2.7 a = Gc(s) = (s + a) (s + b) a) Assuming unity feedback without a controller, complete the following table: rad/s 0.2 dB deg b) Determine the gain and phase margins: i) Phase Margin Om = deg ii) Gain Margin gm = dB ii) Will the closed loop be stable? 1 = stable, 2 = unstable, 3 = conditionally stable

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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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The open loop transfer function for a system is:
-0.1s
5e
Where:
a =
0.6
b =
2.7
Gc(s) =
(s + a) (s + b)
a) Assuming unity feedback without a controller, complete the following table:
rad/s
0.2
dB
deg
b) Determine the gain and phase margins:
i) Phase Margin
Pm
deg
ii) Gain Margin
gm
dB
iii) Will the closed loop be stable?
1 = stable, 2 = unstable, 3 = conditionally stable
Transcribed Image Text:The open loop transfer function for a system is: -0.1s 5e Where: a = 0.6 b = 2.7 Gc(s) = (s + a) (s + b) a) Assuming unity feedback without a controller, complete the following table: rad/s 0.2 dB deg b) Determine the gain and phase margins: i) Phase Margin Pm deg ii) Gain Margin gm dB iii) Will the closed loop be stable? 1 = stable, 2 = unstable, 3 = conditionally stable
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