Automatic Control Systems - Engineering

Q1:

In a second order system ωn = 10 rad/sec and ζ = 0.1, then ωd =

A 9.1 rad/sec

B 9.95 rad/sec

C 9 rad/sec

D 1 rad/sec

ANS:B - 9.95 rad/sec

.root { background-image: url(/_files/images/chemical-engineering/common/root.gif); background-position: top left; background-repeat: no-repeat; padding-left: 10px; padding-top: 1px; } Wd = ωn1 - ζ2 = 10 (1 - 0.01)05 = 9.95 rad/s.