Control Systems Error at corner frequency ωcf of first order control system is ------- ±4 db ±3 db ±2 db ±1 db ±4 db ±3 db ±2 db ±1 db ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is/are the characteristics of negative feedback control system? Reduction in gain at the expense of better stability Low sensitivity to parameter variations All of these Rejection of disturbance signals Reduction in gain at the expense of better stability Low sensitivity to parameter variations All of these Rejection of disturbance signals ANSWER DOWNLOAD EXAMIANS APP
Control Systems For a second order under damped system subjected to unit step input the time response has first peak value to be 4 times the second over shoot. Determine the damping ratio ξ ? 0.707 0.87 0.087 0.07 0.707 0.87 0.087 0.07 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation of a control system is given by What are the angles of asymptotes of the root loci for k ≥ 0? 120°, 180°, 240° 60°, 180°, 300° 0°, 120°, 240° 0°, 180°, 300° 120°, 180°, 240° 60°, 180°, 300° 0°, 120°, 240° 0°, 180°, 300° ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation of a control system is given below: The system is unstable stable marginally stable critical stable unstable stable marginally stable critical stable ANSWER DOWNLOAD EXAMIANS APP
Control Systems Find the stability for the following transfer function G(s) = 50/s(s+5) ? Critically stable Stable Marginally stable Unstable Critically stable Stable Marginally stable Unstable ANSWER DOWNLOAD EXAMIANS APP
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