Control Systems A unity feedback control system has forward loop transfer function as e-Ts/s(s+1). Its phase value will be zero at frequency ω1. Which of the following equations should be satisfied by ω1? ω1 = tan(Tω1) Tω1 = cot(ω1) Tω1 = tan(ω1) ω1 = cot(Tω1) ω1 = tan(Tω1) Tω1 = cot(ω1) Tω1 = tan(ω1) ω1 = cot(Tω1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of a system given by The system is a critically damped. unstable. an under damped. an over damped. a critically damped. unstable. an under damped. an over damped. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Adding a pole to a system transfer function in terms of compensator represents a --------------- compensator ? lag-lead lead-lag lead lag lag-lead lead-lag lead lag ANSWER DOWNLOAD EXAMIANS APP
Control Systems Time taken for the response to rise from zero to 100 % for very first time is called Delay time. Rise time. Settling time. Peak time. Delay time. Rise time. Settling time. Peak time. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Consider a point S = -3 + j4 in the s-plane. Then for a system with the open loop transfer function ? S is not on root locus S is on root locus either 1 or 2 None of these S is not on root locus S is on root locus either 1 or 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of a phase lead compensator is given by: G(s) = (1 + 3Ts)/(1 + Ts) where T>0. What is the maximum phase shift provided by such a compensator? 60° 90° 30° 45° 60° 90° 30° 45° ANSWER DOWNLOAD EXAMIANS APP