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For a particular unity feedback system G(S)=242(S+5)S(S+1)(S2+5S+121)
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written 8.2 years ago by | • modified 8.2 years ago |
Arranging the above equation in time constant form,
G(S)H(S)=242x5(1+S/5)S(1+S)(1+5121S+S21121121
=10(1+S/5)S(1+S)(1+0.041S+S21121)
System consists of quadratic pole
Comparing the denominator (S2+5S+121) with the denominator of standard equation
S2+2ξwnS+w2n,
w2n=121
wn=11 rad/sec
2ξwn=5
ξ=5(2x11)
ξ=0.2
The factors are:
Constant k=10
1 pole at the origin, 1S, …