Question

A 2nd order dynamic system has a damping ratio, ζ = 0.5 and natural frequency, ωn = 8 rad/s. The transfer gain is K = 2. There are no zeros of the system. If the general response to an impulse input has the form:h(t) =e(–ωnζt)[Asin(ωdt) + Bcos(ωdt)]; whereωd is the damped frequency. Find damped natural frequency (ωd), value of constants A and B. Hint: To find A and B, find h(t) using “Transfer Function Property” and compare it with the given expression for h(t) in the problem statement.

Problem 6: A 2nd order dynamic system has a damping ratio, & = 0.5 and natural frequency, Wn = 8 rad/s. The transfer gain is


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