Control Systems The phase margin of a system having the loop transfer function G(s)H(s) = 2√3/s(s+1) is 80° 60° 45° 30° 80° 60° 45° 30° 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? 4 0.5 2 1 4 0.5 2 1 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Find the corner frequency for the following transfer function? G(s) = 1/(s+2) 2 rad/s 1/2 rad/s 4 rad/s 1/4 rad/s 2 rad/s 1/2 rad/s 4 rad/s 1/4 rad/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems The open loop transfer function of a unity feedback control system is given by G(s) = k/s(s+1). If the gain k is increased to infinity, then damping ratio will tend to become 0.707 zero unity infinite 0.707 zero unity infinite ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of a system is c(t) = -te-t + 2 e-t (t>0). Its closed loop transfer function is (2s+2)/(s+1)² (2s+1)/(s+1)² (2s+1)/s² (2s+2)/s² (2s+2)/(s+1)² (2s+1)/(s+1)² (2s+1)/s² (2s+2)/s² ANSWER DOWNLOAD EXAMIANS APP
Control Systems What is the open loop DC gain of a unity feedback control system having closed loop transfer function as 4/9 9/4 13/4 4/13 4/9 9/4 13/4 4/13 ANSWER DOWNLOAD EXAMIANS APP