Control Systems Which of the following is/are the characteristics of negative feedback control system? All of these Low sensitivity to parameter variations Reduction in gain at the expense of better stability Rejection of disturbance signals All of these Low sensitivity to parameter variations Reduction in gain at the expense of better stability Rejection of disturbance signals ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which one of the following is the response y(t) of a casual LTI system described by H(s) = (s+1)/(s²+2s+2) for a given input x(t) = e-t u(t)? e-t cott*u(t) e-t tant*u(t) e-t cost*u(t) e-t sint*u(t) e-t cott*u(t) e-t tant*u(t) e-t cost*u(t) e-t sint*u(t) ANSWER DOWNLOAD EXAMIANS APP
Control Systems A second order control system has a transfer function 16/(s² + 4s + 16). What is the time for the first overshoot? π/4√3 sec 2π/√3 sec π/√3 sec π/2√3 sec π/4√3 sec 2π/√3 sec π/√3 sec π/2√3 sec 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? 0°, 180°, 300° 0°, 120°, 240° 120°, 180°, 240° 60°, 180°, 300° 0°, 180°, 300° 0°, 120°, 240° 120°, 180°, 240° 60°, 180°, 300° ANSWER DOWNLOAD EXAMIANS APP
Control Systems Number of sign changes in the entries in 1st column of Routh array denotes the no. of open loop zeroes in RHP. zeroes of system in RHP. roots of characteristic polynomial in RHP. open loop poles in RHP. open loop zeroes in RHP. zeroes of system in RHP. roots of characteristic polynomial in RHP. open loop poles in RHP. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The error of a system to a ramp input is 1/5, if the type of the system is decreased by one, then the error of unit step input is 6/5 0.2 5 0.167 6/5 0.2 5 0.167 ANSWER DOWNLOAD EXAMIANS APP