CONTROL SYSTEMS ENGINEERING
7th Edition
ISBN: 9781119185666
Author: NISE
Publisher: WILEY
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Textbook Question
Chapter 11, Problem 3RQ
Briefly explain how a lag network allows the low-frequency gain to be increased to improve steady-state error without having the system become unstable.
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A closed-loop system has an error
a
function E(s)
s(s²+2s+b)'
88 and b=4.
=
with a =
=
Calculated the steady-state error.
7. Carombayenin
For the closed loop system, find the
(1) The range of values of K for stability
(2) The value of K such that the maximum overshoot is 5% with a rise time of less than 1.3 s
G(s)
=
K(s + 2)
s² + 2s + 3
H(s) = 1
For the feedback control system has:
G(s)=-
s(s+2)(s+4)
H(s)=D
s +2s +5
Investigate the stability of the system using Routh Criterion method.
Chapter 11 Solutions
CONTROL SYSTEMS ENGINEERING
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