Electronics and Communication Engineering - Automatic Control Systems - Discussion

Discussion Forum : Automatic Control Systems - Section 3 (Q.No. 37)
37.
For the second order system damping ratio is
0.1
0.25
0.333
0.5
Answer: Option
Explanation:

The standard form is s2 + 2ζωns + ω2n = 0.

Discussion:
2 comments Page 1 of 1.

Kasi said:   7 years ago
How it is came? Pease explain.

Salam said:   5 years ago
s2 + 2ζωns + ω2n = 0,
[2s2 + 4s + 8 = 8] ÷2,
S2 + 2S + 4 = 4.

2ζwn = 2, wn = 2.
ζ =2/2*2 = 0.5.

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