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 zero unity 0.707 infinite zero unity 0.707 infinite ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of the system described by d²/dt²(y(t)) + 3d/dt(y(t)) + 2y(t) = 5u(t) with u(t) as input and y(t) as output is 5/s(s²+3s+2) 5/(s²+3s+2) (s²+3s+2)/5 s(s²+3s+2)/5 5/s(s²+3s+2) 5/(s²+3s+2) (s²+3s+2)/5 s(s²+3s+2)/5 ANSWER DOWNLOAD EXAMIANS APP
Control Systems A function y (t) satisfies the following differential equation : Where, δ (t) is the delta function. Assuming zero initial condition and denoting the unit step function by u(t), y(t) can be formed as e-t. etu(t). et. e-tu(t). e-t. etu(t). et. e-tu(t). ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation of a control system is given below: The system is stable unstable critical stable marginally stable stable unstable critical stable marginally stable ANSWER DOWNLOAD EXAMIANS APP
Control Systems Find the corner frequency for the following transfer function? G(s) = 1/(s+2) 1/2 rad/s 2 rad/s 1/4 rad/s 4 rad/s 1/2 rad/s 2 rad/s 1/4 rad/s 4 rad/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems The poles of the second order system are at -3 ± j4. The damping ratio of the system is 3/4 3/5 4/5 3/7 3/4 3/5 4/5 3/7 ANSWER DOWNLOAD EXAMIANS APP