Control Systems The phase of lead compensator of the system G ( s ) = ( s + a ) / ( s + b ) is at its maximum at: √( ab ). ab. √( a / b). a / b. √( ab ). ab. √( a / b). a / b. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A second order under damped system has damping ratio of 0.3. Find the phase margin of the system? 30° 20° 3° 60° 30° 20° 3° 60° ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of a linear system is e-t, (t > 0). The corresponding transfer function is s/(s+1) 1/(s+1) 1/s(s+1) 1/s s/(s+1) 1/(s+1) 1/s(s+1) 1/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of a system is G(s) = 100/((s+1)(s+100)). For unit step input to the system the approximate settling time for 2% criterion is 4 sec 10 sec 400 sec 100 sec 4 sec 10 sec 400 sec 100 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems Given the Laplace transform of f(t) = F(s), the Laplace transform of (f(t)e-at) is equal to F(s)/(s+a) e-as*F(s) F(s+a) eas*F(s) F(s)/(s+a) e-as*F(s) F(s+a) eas*F(s) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Adding a pole to a system transfer function in terms of compensator represents a --------------- compensator ? lag lag-lead lead lead-lag lag lag-lead lead lead-lag ANSWER DOWNLOAD EXAMIANS APP