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) Tω1 = tan(ω1) ω1 = cot(Tω1) Tω1 = cot(ω1) ω1 = tan(Tω1) Tω1 = tan(ω1) ω1 = cot(Tω1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation of a control system is give by s(s + 4)(s² + 2s + 1) + k(s + 1) = 0. Find the angle between the asymptotes? 120° 360° 180° 60° 120° 360° 180° 60° ANSWER DOWNLOAD EXAMIANS APP
Control Systems A second order system has peak over shoot = 50% and period of oscillations 0.2 seconds. Find the resonant frequency? 30.63 rad/s 32.16 rad/s 29.74 ra/s 31.41 rad/s 30.63 rad/s 32.16 rad/s 29.74 ra/s 31.41 rad/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems In signal flow graph input node is node having only------------ incoming branches. outgoing branches. None of these both 1 and 2. incoming branches. outgoing branches. None of these both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A second order control system has F(jω) = 100/(100 - ω² + 10√2 jω). Find the resonant peak? 1 0.707 0.5 1.5 1 0.707 0.5 1.5 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The steady state error due to ramp input for a type two system is equal to constant. zero. infinite. non zero number. constant. zero. infinite. non zero number. ANSWER DOWNLOAD EXAMIANS APP
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