Control Systems A second order under damped system has damping ratio of 0.3. Find the phase margin of the system? 60° 20° 3° 30° 60° 20° 3° 30° ANSWER DOWNLOAD EXAMIANS APP
Control Systems Find the corner frequency for the following transfer function? G(s) = 1/(s+2) 1/2 rad/s 2 rad/s 4 rad/s 1/4 rad/s 1/2 rad/s 2 rad/s 4 rad/s 1/4 rad/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems The maximum phase lag occurs at the ------------------- of the two corner frequencies? arithmetic mean geometric mean either 1 or 2 None of these arithmetic mean geometric mean either 1 or 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Control Systems The poles of the second order system are at -3 ± j4. The damping ratio of the system is 3/5 3/4 3/7 4/5 3/5 3/4 3/7 4/5 ANSWER DOWNLOAD EXAMIANS APP
Control Systems A unity feedback control system has forward loop transfer function as e-Ts/s(s+1). Its phase value will be zero at frequency ω1. Which of the following equations should be satisfied by ω1? ω1 = tan(Tω1) ω1 = cot(Tω1) Tω1 = cot(ω1) Tω1 = tan(ω1) ω1 = tan(Tω1) ω1 = cot(Tω1) Tω1 = cot(ω1) Tω1 = tan(ω1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of the system described by the differential equation will be (1/3) × (1-e-3t). 1/3. e6t. e-3t u(t). (1/3) × (1-e-3t). 1/3. e6t. e-3t u(t). ANSWER DOWNLOAD EXAMIANS APP
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