Q1 (25p). The closed loop control system is shown in the figure. The response of the control system to a unit step reference input is shown in below. Rs)- 0.6 Kp 4 s2 + 5s + A a) Find 7 and wn. b) Find K, and A c) If we use a proportional-integral (PI) controller instead of a proportional (P) contrller, how the graph would be expected to change. For two different integral coefficients (bigger K_1 and smaller K_2), make an approximate drawing on the graph by hand. Please draw the graphic clearly and show all annotations. 0.9596 0.8 0.5 Cmax -Css 0.5 1.5 2.5 3.5 t(s) (1))
Q1 (25p). The closed loop control system is shown in the figure. The response of the control system to a unit step reference input is shown in below. Rs)- 0.6 Kp 4 s2 + 5s + A a) Find 7 and wn. b) Find K, and A c) If we use a proportional-integral (PI) controller instead of a proportional (P) contrller, how the graph would be expected to change. For two different integral coefficients (bigger K_1 and smaller K_2), make an approximate drawing on the graph by hand. Please draw the graphic clearly and show all annotations. 0.9596 0.8 0.5 Cmax -Css 0.5 1.5 2.5 3.5 t(s) (1))
Chapter22: Sequence Control
Section: Chapter Questions
Problem 1SQ: Describe what is meant by sequence control.
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Transcribed Image Text:Q1 (25p). The closed loop control system is
shown in the figure. The response of the
control system to a unit step reference
input is shown in below.
Rs)-
0.6
Kp
4
s2 + 5s + A
a) Find 7 and wn.
b) Find K, and A
c) If we use a proportional-integral (PI) controller instead of a proportional (P) contrller, how the graph would be
expected to change. For two different integral coefficients (bigger K_1 and smaller K_2), make an approximate
drawing on the graph by hand. Please draw the graphic clearly and show all annotations.
0.9596
0.8
0.5
Cmax -Css
0.5
1.5
2.5
3.5
t(s)
(1))
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