Control Systems When the input to a system was with drawn at t = 0, its output was found to decrease exponentially from 1000 units to 500 units in 1.386 sec. The time constant of the system is 0.693. 0.500. 2.000. 1.386. 0.693. 0.500. 2.000. 1.386. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A linear time invariant system, initially at rest when subjected to a unit step input gave response c(t) = te-t (t ≥ 0). The transfer function of the system is 1/s(s+1)2 (s+1)2/s s/(s+1) s/(s+1)2 1/s(s+1)2 (s+1)2/s s/(s+1) s/(s+1)2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems If the magnitude of G(jω)H(jω) at phase crossover frequency is 0.5. Find the gain margin of the given system? 2 4 1 0.5 2 4 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Control Systems For the polynomial , find the number of roots which lie on the right half of s-plane? 4 1 2 0 4 1 2 0 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Find the angles of asymptotes of the open loop transfer function G(s) = k(s + 1)/((s(s+2)(s+4)? 90°,270° 60°,240° 0°, 180° 90°,180° 90°,270° 60°,240° 0°, 180° 90°,180° ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of a system is c(t) = -te-t + 2 e-t (t>0). Its open loop transfer function is (2s+1)/(s+1)² (2s+1)/s² (2s+2)/(s+1)² (2s+2)/s² (2s+1)/(s+1)² (2s+1)/s² (2s+2)/(s+1)² (2s+2)/s² ANSWER DOWNLOAD EXAMIANS APP