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) Tω1 = cot(ω1) ω1 = tan(Tω1) Tω1 = tan(ω1) ω1 = cot(Tω1) Tω1 = cot(ω1) ω1 = tan(Tω1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is the electrical analogous element for displacement in force-voltage analogy? Charge. Voltage. Flux. Current. Charge. Voltage. Flux. Current. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is the correct expression for the transfer function of an electrical RC phase lag compensating network? C/(1+RCS) RCS/(1+RCS) RC/(1+RCS) 1/(1+RCS) C/(1+RCS) RCS/(1+RCS) RC/(1+RCS) 1/(1+RCS) 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 None of these either 1 or 2 S is not on root locus S is on root locus None of these either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems what is the Laplace transform of a function δ(t-2)? e-2s 2 0 2s e-2s 2 0 2s ANSWER DOWNLOAD EXAMIANS APP
Control Systems Consider the following statements for phase lead compensation: nether 1 nor 2 both 1 and 2 Phase lead compensation shifts the gain crossover frequency to the right The maximum phase lag occurs at the arithmetic mean of the two corner frequencies. nether 1 nor 2 both 1 and 2 Phase lead compensation shifts the gain crossover frequency to the right The maximum phase lag occurs at the arithmetic mean of the two corner frequencies. ANSWER DOWNLOAD EXAMIANS APP
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