2. A unity gain feedback system has the open loop transfer function given by K G(s) = (s+3)(s+6) (s+7) a) If the feedback is negative, what range of k will result in a stable system? b) If the feedback is positive, what range of k will result in a stable system?
2. A unity gain feedback system has the open loop transfer function given by K G(s) = (s+3)(s+6) (s+7) a) If the feedback is negative, what range of k will result in a stable system? b) If the feedback is positive, what range of k will result in a stable system?
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![2. A unity gain feedback system has the open loop transfer function given by
K
G(s) =
(s+3)(s+6)(s+7)
a) If the feedback is negative, what range of k will result in a stable system?
b) If the feedback is positive, what range of k will result in a stable system?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd7bc6c6a-7bd2-4c26-8077-4c1d0571e1a5%2F681b546e-d26e-45ee-af25-9d3708c0aa28%2Fn7184hc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2. A unity gain feedback system has the open loop transfer function given by
K
G(s) =
(s+3)(s+6)(s+7)
a) If the feedback is negative, what range of k will result in a stable system?
b) If the feedback is positive, what range of k will result in a stable system?
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Step 1: Given open loop system and what we need to find
VIEWStep 2: Finding closed loop system
VIEWStep 3: Finding stability Using RH criterion
VIEWStep 4: Range of K for nagative feed back
VIEWStep 5: Transfer function of closed loop transfer function for positive feedback system
VIEWStep 6: Finding stability using RH criterion
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