In order to stabilize the system, we use a P controllerin cascade with the feed-forward chain as shown in the following block diagram U(s) Y(s) K s +7s2-3s Determine the range of K in the P controller that makes the syscem stable. (Kis always positive) Select one: O a. The system is never stable O b.K> 21 OCK<3 O d. K>3 O e. K<21

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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O a increased
Oo none of these
Oc decreased
Od. stayed the same
In order to stabilize the system, we use a P controller in cascade with the feed-forward chain as shown in the following block diagram:
U(s)
1
K
*+7s²-3s
Determine the range of K in the P controller that makes the system stable. (Kis always positive)
Select one:
O a. The system is never stable
O b. K> 21
OCK<3
O d. K>3
O e. K<21
Find the steady-state error of this system when a unit-step input is applied.
R(s)
E(s)
195+ 69.3
EN
Transcribed Image Text:Select one: O a increased Oo none of these Oc decreased Od. stayed the same In order to stabilize the system, we use a P controller in cascade with the feed-forward chain as shown in the following block diagram: U(s) 1 K *+7s²-3s Determine the range of K in the P controller that makes the system stable. (Kis always positive) Select one: O a. The system is never stable O b. K> 21 OCK<3 O d. K>3 O e. K<21 Find the steady-state error of this system when a unit-step input is applied. R(s) E(s) 195+ 69.3 EN
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