Control Systems A second order under damped system has damping ratio of 0.3. Find the phase margin of the system? 30° 3° 60° 20° 30° 3° 60° 20° ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation of a control system is given by What are the angles of asymptotes of the root loci for k ≥ 0? 0°, 120°, 240° 0°, 180°, 300° 120°, 180°, 240° 60°, 180°, 300° 0°, 120°, 240° 0°, 180°, 300° 120°, 180°, 240° 60°, 180°, 300° ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which system is also known as automatic control system? Closed loop control system Either 1 or 2 Open loop control system Nether 1 nor 2 Closed loop control system Either 1 or 2 Open loop control system Nether 1 nor 2 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? Tω1 = cot(ω1) Tω1 = tan(ω1) ω1 = cot(Tω1) ω1 = tan(Tω1) Tω1 = cot(ω1) Tω1 = tan(ω1) ω1 = cot(Tω1) ω1 = tan(Tω1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems A open loop transfer function is given as G(s) = (s+2)/(s+1)(s-1). Find the number of encirclements about '-1+j0'? 2 0 1 3 2 0 1 3 ANSWER DOWNLOAD EXAMIANS APP
Control Systems For the polynomial , number of roots which lie in the right half of s-plane is 1 4 2 3 1 4 2 3 ANSWER DOWNLOAD EXAMIANS APP