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 = cot(ω1) Tω1 = tan(ω1) ω1 = cot(Tω1) ω1 = tan(Tω1) Tω1 = cot(ω1) Tω1 = tan(ω1) ω1 = cot(Tω1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems A unity feedback control system has an open loop transfer function G(s) = k/(s(s² + 7s + 12) The gain k for which s = -1 + j1 will lie on the root locus of the system is 6.5 4 5 10 6.5 4 5 10 ANSWER DOWNLOAD EXAMIANS APP
Control Systems In which of the following controller band width is increased? proportional plus derivative controller both 1 and 2 nether 1 nor 2 proportional plus integral controller proportional plus derivative controller both 1 and 2 nether 1 nor 2 proportional plus integral controller 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) tan-1((1 - α)/(2√α) both 1 and 3 cos-1((1 - α)/(1 + α) sin-1((1 - α)/(1 + α) tan-1((1 - α)/(2√α) both 1 and 3 cos-1((1 - α)/(1 + α) ANSWER DOWNLOAD EXAMIANS APP
Control Systems What is the full form of SPICE ? Sequential program with integrated circuit analysis. Simulated program with integrated circuit analysis. Stimulated program with integrated circuit arrangement. None of these. Sequential program with integrated circuit analysis. Simulated program with integrated circuit analysis. Stimulated program with integrated circuit arrangement. None of these. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A second order under damped system has damping ratio of 0.3. Find the phase margin of the system? 30° 60° 20° 3° 30° 60° 20° 3° ANSWER DOWNLOAD EXAMIANS APP
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