Consider a plant with transfer function s+1 s³ - 4s G(s) a) Sketch a Nyquist plot for G and use the Nyquist criterion to determine for which K > 0 a unity feedback of KG is stable
Consider a plant with transfer function s+1 s³ - 4s G(s) a) Sketch a Nyquist plot for G and use the Nyquist criterion to determine for which K > 0 a unity feedback of KG is stable
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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![Consider a plant with transfer function
G(s)
=
b) Design a lead controller D(s)
margin of 45° and a cross-over
s+1
s³ - 4s
a) Sketch a Nyquist plot for G and use the Nyquist criterion to determine for which K > 0 a unity
feedback of KG is stable.
Kps+such that a unity feedback of D(s)G(s) has a phase
aТps+1
frequency wc = 5 rad/s.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F776c0bff-c672-4363-b707-790350ffaf88%2F2ac8b307-265d-4272-8d1f-cc5f259b577f%2F838b7wsl_processed.png&w=3840&q=75)
Transcribed Image Text:Consider a plant with transfer function
G(s)
=
b) Design a lead controller D(s)
margin of 45° and a cross-over
s+1
s³ - 4s
a) Sketch a Nyquist plot for G and use the Nyquist criterion to determine for which K > 0 a unity
feedback of KG is stable.
Kps+such that a unity feedback of D(s)G(s) has a phase
aТps+1
frequency wc = 5 rad/s.
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