Frequency Domain Analysis » Exercise - 1 20. For a second – order system, ωn = 8 and ξ= 0.5. The value of ωr in rad/s is : (a) 4.657 (b) 5.657 (c) 6.657 (d) none of these
Frequency Domain Analysis » Exercise - 121. The frequency where M has a peak value is known as the : (a) peak frequency (b) resonant frequency (c) normalised frequency (d) none of these
Frequency Domain Analysis » Exercise - 1 1. The magnitude-frequency response of a control system is shown in the figure. The value of ω1 and ω2 are respectively : (a) 10 and 200 (b) 20 and 200 (c) 20 and 400 (d) 100 and 400