Control Systems The open loop transfer function of a unity feedback system is given by G(s) = 1/(s+2)². The closed loop transfer function will have poles at -2,-2 -2,2 -2,-1 -2+j,-2-j -2,-2 -2,2 -2,-1 -2+j,-2-j 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 The value of 'a' in to give phase margin = 45o will be 0.9. 0.707. 1.18. 1.414. 0.9. 0.707. 1.18. 1.414. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of a linear system is e-t, (t > 0). The corresponding transfer function is 1/s(s+1) s/(s+1) 1/s 1/(s+1) 1/s(s+1) s/(s+1) 1/s 1/(s+1) 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 = tan(Tω1) Tω1 = tan(ω1) Tω1 = cot(ω1) ω1 = cot(Tω1) ω1 = tan(Tω1) Tω1 = tan(ω1) Tω1 = cot(ω1) ω1 = cot(Tω1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems When writing a transfer function which of the following loops are not valid loops? Both 1 and 2. Self loops at input node. Self loops at output node. Neither 1 nor 2. Both 1 and 2. Self loops at input node. Self loops at output node. Neither 1 nor 2. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS