Control Systems The transfer function of a phase lead compensator is given by: G(s) = (1 + 3Ts)/(1 + Ts) where T>0. What is the maximum phase shift provided by such a compensator? 60° 90° 45° 30° 60° 90° 45° 30° ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following transfer functions represent under damped second order systems? 1/(s² + s + 1) 2/(s² + 2s + 2) 4/(s² + 2s + 4) All of these 1/(s² + s + 1) 2/(s² + 2s + 2) 4/(s² + 2s + 4) All of these ANSWER DOWNLOAD EXAMIANS APP
Control Systems A linear time invariant system has an impulse response e2t for t > 0 . If initial condition are 0 and input is e3t, the output for t > 0 is e5t. e2t - e3t. e2t + e3t. e3t - e2t. e5t. e2t - e3t. e2t + e3t. e3t - e2t. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Find the conditions for the system to be stable? Gain margin is positive but phase margin is negative Gain margin and phase margins are positive Gain margin is negative but phase margin is positive Gain margin and phase margins are negative Gain margin is positive but phase margin is negative Gain margin and phase margins are positive Gain margin is negative but phase margin is positive Gain margin and phase margins are negative ANSWER DOWNLOAD EXAMIANS APP
Control Systems Settling time for 5% tolerance band is ------------- 4T. 2T. 3T. 5T. 4T. 2T. 3T. 5T. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Given a unity feedback system with G(s) = k/s(s+4), the value of k for damping ratio of 0.5 is 64 16 4 1 64 16 4 1 ANSWER DOWNLOAD EXAMIANS APP
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