Control Systems If the magnitude of G(jω)H(jω) at phase crossover frequency is 0.5. Find the gain margin of the given system? 1 2 4 0.5 1 2 4 0.5 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 5 0.167 0.2 6/5 5 0.167 0.2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems For the polynomial , find the number of roots which lie on the right half of s-plane? 1 0 4 2 1 0 4 2 ANSWER DOWNLOAD EXAMIANS APP
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 = cot(Tω1) Tω1 = cot(ω1) Tω1 = tan(ω1) ω1 = tan(Tω1) ω1 = cot(Tω1) Tω1 = cot(ω1) Tω1 = tan(ω1) ω1 = tan(Tω1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer functions of two compensators are given below. Which one is correct? which one is correct? C1 is a lead compensator and C2 i C1 is a lag compensator and C2 i Both C1 and C2 are lag compensator. Both C1 and C2 are lead compensator. C1 is a lead compensator and C2 i C1 is a lag compensator and C2 i Both C1 and C2 are lag compensator. Both C1 and C2 are lead compensator. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation of a feedback control is 2s4 + s3 + 3s2 + 5s + 10 = 0. The no of roots in the right half of the s-plane is 4. 2. 3. 0. 4. 2. 3. 0. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS