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 = tan(ω1) Tω1 = cot(ω1) ω1 = tan(Tω1) ω1 = cot(Tω1) Tω1 = tan(ω1) Tω1 = cot(ω1) ω1 = tan(Tω1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The phase of lead compensator of the system G ( s ) = ( s + a ) / ( s + b ) is at its maximum at: √( a / b). a / b. ab. √( ab ). √( a / b). a / b. ab. √( ab ). ANSWER DOWNLOAD EXAMIANS APP
Control Systems If the bandwidth of the system is very large, the system response is independent of bandwidth slower faster None of these independent of bandwidth slower faster None of these ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is/are the advantages of a closed loop control system? The closed loop systems are accurate. both 1 and 2. nether 1 nor 2. The closed loop systems are less affected by noise. The closed loop systems are accurate. both 1 and 2. nether 1 nor 2. The closed loop systems are less affected by noise. 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? 1 4/3 3/4 1/2 1 4/3 3/4 1/2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems A function of one or more variables which conveys information about the nature of physical phenomenon is called noise. signal. interference. system. noise. signal. interference. system. ANSWER DOWNLOAD EXAMIANS APP