Control Systems In polar plots if the critical point '-1+j0' is enclosed then the system is -------- marginally stable unstable stable critical stable marginally stable unstable stable critical stable ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following statements is/are true? nether 1 nor 2 Centroid may not be a part of root locus Centroid may be a part of root locus both 1 and 2 nether 1 nor 2 Centroid may not be a part of root locus Centroid may be a part of root locus both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of phase lead compensator is given by , where, T > 0, α < 0. What is the maximum phase shift provided by this compensator? sin-1((1 - α)/(1 + α) cos-1((1 - α)/(1 + α) both 1 and 3 tan-1((1 - α)/(2√α) sin-1((1 - α)/(1 + α) cos-1((1 - α)/(1 + α) both 1 and 3 tan-1((1 - α)/(2√α) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The magnitude condition for root locus is .................. |G(s)H(s)| = 1 |G(s)H(s)| = ∞ |G(s)H(s)| = 2 |G(s)H(s)| = 0 |G(s)H(s)| = 1 |G(s)H(s)| = ∞ |G(s)H(s)| = 2 |G(s)H(s)| = 0 ANSWER DOWNLOAD EXAMIANS APP
Control Systems If the transfer function of a phase lead compensator is (s+a)/(s+b) and that of a lag compensator is (s+p)/(s+q), then which one of the following sets of conditions must be satisfied? a < b, p < q a > b, p < q a < b, p >q a > b, p > q a < b, p < q a > b, p < q a < b, p >q a > b, p > q 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