Control Systems A second order control system has F(jω) = 100/(100 - ω² + 10√2 jω). Find the resonant peak? 0.5 1.5 1 0.707 0.5 1.5 1 0.707 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Time constant is defined as the time taken by the response of the system to reach ----------- ? 70.7% of the final value 63% of the final value 100% of the final value 50% of the final value 70.7% of the final value 63% of the final value 100% of the final value 50% of the final value 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? Tω1 = cot(ω1) ω1 = tan(Tω1) ω1 = cot(Tω1) Tω1 = tan(ω1) Tω1 = cot(ω1) ω1 = tan(Tω1) ω1 = cot(Tω1) Tω1 = tan(ω1) 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? tan-1((1 - α)/(2√α) cos-1((1 - α)/(1 + α) both 1 and 3 sin-1((1 - α)/(1 + α) tan-1((1 - α)/(2√α) cos-1((1 - α)/(1 + α) both 1 and 3 sin-1((1 - α)/(1 + α) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The open loop transfer function of a unity feedback control system is given by G(s) = k/s(s+1). If the gain k is increased to infinity, then damping ratio will tend to become infinite zero 0.707 unity infinite zero 0.707 unity 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 4 6.5 10 5 4 6.5 10 5 ANSWER DOWNLOAD EXAMIANS APP