Control Systems The characteristic equation of a feedback control system is given by s³ + 5s² + (k + 6)s + k = 0. In the root loci diagram, the asymptotes of the root loci for large 'k' meet at a point in the s-plane whose coordinates are (1,0) (-2,0) (-1,0) (2,0) (1,0) (-2,0) (-1,0) (2,0) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The system function N(s) = V(s)/I(s) = (s+3)/(4s+5). The system is initially at rest. If the excitation i(t) is a unit step, which of the following is the initial value? 3/9 1/4 0 3/5 3/9 1/4 0 3/5 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 0.5 4 1 2 0.5 4 1 ANSWER DOWNLOAD EXAMIANS APP
Control Systems In polar plots if the critical point '-1+j0' is enclosed then the system is -------- stable marginally stable critical stable unstable stable marginally stable critical stable unstable ANSWER DOWNLOAD EXAMIANS APP
Control Systems A control system has open loop transfer function G(s) = k/(s(s + 2). Find the break away point? -2 1 -1 2 -2 1 -1 2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems A second order system has peak over shoot = 50% and period of oscillations 0.2 seconds. Find the resonant frequency? 31.41 rad/s 32.16 rad/s 29.74 ra/s 30.63 rad/s 31.41 rad/s 32.16 rad/s 29.74 ra/s 30.63 rad/s ANSWER DOWNLOAD EXAMIANS APP