Page 173 - MATLAB an introduction with applications
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158 ——— MATLAB: An Introduction with Applications
Transfer function:
+
25s ∧ 2 200s + 175
+
+
+
s ∧ 414s ∧ 3 56s ∧ 2 64s
Bode Diagram
40
20
(dB) 0
Magnitude –20
–40
–60
–45
(deg) –90
Phase –135
–180
10 –1 10 0 10 1 10 2
Frequency (rad/sec)
Fig. E3.13(c)
ans =
Mag
ans =
–7.0110
ans =
BW
wBW =
6.5500
Bandwidth = 6.55, Phase margin = 63.1105, Damping ratio = 0.67, Per cent overshoot = 5.86969, Settling
time = 0.959175, Peak time = 0.679904
F:\Final Book\Sanjay\IIIrd Printout\Dt. 10-03-09
