Control Systems If the transfer function of a phase lead compensator is (s+a)/(s+b) and that of a lag compensator is (s+p)/(s+q), then which one of the following sets of conditions must be satisfied? a > b, p > q a < b, p >q a < b, p < q a > b, p < q a > b, p > q a < b, p >q a < b, p < q a > b, p < q ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of an initally relaxed linear system is e-2tu(t). To produce a response of te-2tu(t), the input must be equal to e-2tu(t). (0.5)e-2tu(t). e-tu(t). 2e-tu(t). e-2tu(t). (0.5)e-2tu(t). e-tu(t). 2e-tu(t). ANSWER DOWNLOAD EXAMIANS APP
Control Systems If the bandwidth of the system is very large, the system response is slower faster None of these independent of bandwidth slower faster None of these independent of bandwidth ANSWER DOWNLOAD EXAMIANS APP
Control Systems A system has poles at 0.01 Hz, 1 Hz and 80 Hz; zeros at 5 Hz, 100 Hz and 200 Hz. The approximate phase of the system response at 20 Hz is 90° 180° -90° -180° 90° 180° -90° -180° ANSWER DOWNLOAD EXAMIANS APP
Control Systems Consider a network function H(s) = 2(s+3)/{(s+2)(s+4)}. What is the steady state response due to step input? 3/4 1/2 1 4/3 3/4 1/2 1 4/3 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The value of 'a' in to give phase margin = 45o will be 0.707. 1.414. 0.9. 1.18. 0.707. 1.414. 0.9. 1.18. ANSWER DOWNLOAD EXAMIANS APP