Control Systems If the magnitude of G(jω)H(jω) at phase crossover frequency is 0.5. Find the gain margin of the given system? 1 0.5 2 4 1 0.5 2 4 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Consider the function F(s) = ω/(s²+ω²). Where F(s) = Laplace transform of f(t). The final value of f(t) is equal to zero a value between -1 and +1 infinite finite constant zero a value between -1 and +1 infinite finite constant ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of a system is c(t) = -te-t + 2 e-t (t>0). Its closed loop transfer function is (2s+2)/s² (2s+2)/(s+1)² (2s+1)/s² (2s+1)/(s+1)² (2s+2)/s² (2s+2)/(s+1)² (2s+1)/s² (2s+1)/(s+1)² ANSWER DOWNLOAD EXAMIANS APP
Control Systems When the system gain is doubled the gain margin becomes? 2 times 1/2 times None of these Remains unaffected 2 times 1/2 times None of these Remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Control Systems Two identical first order systems have been cascaded non interactively. The unit step response of the systems will be Over damped under damped critical damped un damped Over damped under damped critical damped un damped ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of a phase lead compensator is given by: G(s) = (1 + 3Ts)/(1 + Ts) where T>0. What is the maximum phase shift provided by such a compensator? 30° 90° 45° 60° 30° 90° 45° 60° ANSWER DOWNLOAD EXAMIANS APP
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