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+2)/s² (2s+1)/(s+1)² (2s+1)/s² (2s+2)/(s+1)² (2s+2)/s² (2s+1)/(s+1)² (2s+1)/s² ANSWER DOWNLOAD EXAMIANS APP
Control Systems The magnitude of a transfer function G(jω)H(jω) at gain cross over frequency is 0 any of the above 1 infinity 0 any of the above 1 infinity 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 unity zero infinite 0.707 unity zero infinite 0.707 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following controller has sluggish response? derivative controller integral controller both 2 and 3 proportional controller derivative controller integral controller both 2 and 3 proportional controller 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 gain k is increased to infinity, then damping ratio will tend to become unity infinite zero 0.707 unity infinite zero 0.707 ANSWER DOWNLOAD EXAMIANS APP
Control Systems A proportional plus integral controller both 2 and 3 it increases rise time has high sensitivity increases the stability of the system both 2 and 3 it increases rise time has high sensitivity increases the stability of the system ANSWER DOWNLOAD EXAMIANS APP
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