QUESTION 11 Consider a standard unity negative feedback control system with G(s)=1/(s(s+1)) A phase-lead compensator Gc(s)=K(s+z)/(s+p) is designed such that the dominant closed-loop poles are located at r1=-2+j2 and r2=-2-j2. What is the phase of the phase-lead compensator (in degrees) at r1? Do not guess as incorrect answers will incur a penalty. O 1.71.6 O 2.-108.4 O 3. 108.4 O 4.-71.6

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QUESTION 11
Consider a standard unity negative feedback control system with
G(s)=1/(s(s+1))
A phase-lead compensator Gc(s)=K(s+z)/(s+p) is designed such that the dominant closed-loop poles are located at r1=-2+j2 and r2=-2-j2. What is the phase of the phase-lead compensator
(in degrees) at r1?
Do not guess as incorrect answers will incur a penalty.
O 1.71.6
O 2.-108.4
O 3. 108.4
O 4.-71.6
Transcribed Image Text:QUESTION 11 Consider a standard unity negative feedback control system with G(s)=1/(s(s+1)) A phase-lead compensator Gc(s)=K(s+z)/(s+p) is designed such that the dominant closed-loop poles are located at r1=-2+j2 and r2=-2-j2. What is the phase of the phase-lead compensator (in degrees) at r1? Do not guess as incorrect answers will incur a penalty. O 1.71.6 O 2.-108.4 O 3. 108.4 O 4.-71.6
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