E6.26 Consider the closed-loop system in Figure E6.26, where G(s) = 4 S- 1 and G(s) = = 1 2s + K (a) Determine the characteristic equation associated with the closed-loop system. (b) Determine the values of K for which the closed-loop system is stable.
E6.26 Consider the closed-loop system in Figure E6.26, where G(s) = 4 S- 1 and G(s) = = 1 2s + K (a) Determine the characteristic equation associated with the closed-loop system. (b) Determine the values of K for which the closed-loop system is stable.
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![Figure E6.26
Closed-loop feedback control system with parameter K.
Ta(s)
R(s)
R(s)
Ea(s)
Controller
2s + K
2s + K
(a)
Ta(s)
(b)
4
8-1
Process
4
s-1
Y(s)
N(S)
Y(s)
N(s)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3f6c81c7-9a41-4014-8916-60df888d5014%2F87b14b11-92bc-445c-9d55-111659518c27%2Fz39169_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Figure E6.26
Closed-loop feedback control system with parameter K.
Ta(s)
R(s)
R(s)
Ea(s)
Controller
2s + K
2s + K
(a)
Ta(s)
(b)
4
8-1
Process
4
s-1
Y(s)
N(S)
Y(s)
N(s)
![E6.26 Consider the closed-loop system in Figure E6.26, where
G(s) =
4
S-
1
and G(s) =
=
1
2s + K
(a) Determine the characteristic equation associated with the closed-loop
system.
(b) Determine the values of K for which the closed-loop system is stable.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3f6c81c7-9a41-4014-8916-60df888d5014%2F87b14b11-92bc-445c-9d55-111659518c27%2Fdkvxwp_processed.jpeg&w=3840&q=75)
Transcribed Image Text:E6.26 Consider the closed-loop system in Figure E6.26, where
G(s) =
4
S-
1
and G(s) =
=
1
2s + K
(a) Determine the characteristic equation associated with the closed-loop
system.
(b) Determine the values of K for which the closed-loop system is stable.
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