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? Tω1 = tan(ω1) ω1 = cot(Tω1) ω1 = tan(Tω1) Tω1 = cot(ω1) Tω1 = tan(ω1) ω1 = cot(Tω1) ω1 = tan(Tω1) Tω1 = cot(ω1) 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? 4/3 1 1/2 3/4 4/3 1 1/2 3/4 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The output of the system has an effect upon the input quantity, then the system is a closed loop control system. open loop control system. None of these either 1 or 2. closed loop control system. open loop control system. None of these either 1 or 2. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation of a control system is given by What are the angles of asymptotes of the root loci for k ≥ 0? 0°, 120°, 240° 0°, 180°, 300° 120°, 180°, 240° 60°, 180°, 300° 0°, 120°, 240° 0°, 180°, 300° 120°, 180°, 240° 60°, 180°, 300° ANSWER DOWNLOAD EXAMIANS APP
Control Systems The magnitude of a transfer function G(jω)H(jω) at gain cross over frequency is 0 infinity any of the above 1 0 infinity any of the above 1 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is the electrical analogous element for displacement in force-voltage analogy? Current. Voltage. Charge. Flux. Current. Voltage. Charge. Flux. ANSWER DOWNLOAD EXAMIANS APP
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