Control Systems Error at corner frequency ωcf of first order control system is ------- ±4 db ±3 db ±1 db ±2 db ±4 db ±3 db ±1 db ±2 db ANSWER DOWNLOAD EXAMIANS APP
Control Systems The maximum phase lag occurs at the ------------------- of the two corner frequencies? None of these geometric mean either 1 or 2 arithmetic mean None of these geometric mean either 1 or 2 arithmetic mean ANSWER DOWNLOAD EXAMIANS APP
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 compensator would provide a maximum phase shift of 30o. 20o. 45o. 60o. 30o. 20o. 45o. 60o. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of phase lead compensator is given by , where, T > 0, α < 0. What is the maximum phase shift provided by this compensator? tan-1((1 - α)/(2√α) sin-1((1 - α)/(1 + α) cos-1((1 - α)/(1 + α) both 1 and 3 tan-1((1 - α)/(2√α) sin-1((1 - α)/(1 + α) cos-1((1 - α)/(1 + α) both 1 and 3 ANSWER DOWNLOAD EXAMIANS APP