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? 0.5 4 1 2 0.5 4 1 2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems For a second order under damped system subjected to unit step input the time response has first peak value to be 4 times the second over shoot. Determine the damping ratio ξ ? 0.707 0.07 0.087 0.87 0.707 0.07 0.087 0.87 ANSWER DOWNLOAD EXAMIANS APP
Control Systems A linear time invariant system, initially at rest when subjected to a unit step input gave response c(t) = te-t (t ≥ 0). The transfer function of the system is (s+1)2/s 1/s(s+1)2 s/(s+1)2 s/(s+1) (s+1)2/s 1/s(s+1)2 s/(s+1)2 s/(s+1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The low frequency and high frequency asymptotes of Bode magnitude plot are respectively -60dB/decade and -40dB/decade. What is the type of the system? TYPE 0 TYPE I TYPE II TYPE III TYPE 0 TYPE I TYPE II TYPE III ANSWER DOWNLOAD EXAMIANS APP
Control Systems A controller transfer function is given by . What is its nature and parameter? lag compensator, β = 2 lead compensator, α = 0.2 lag compensator, β = 10 lead compensator, α = 0.1 lag compensator, β = 2 lead compensator, α = 0.2 lag compensator, β = 10 lead compensator, α = 0.1 ANSWER DOWNLOAD EXAMIANS APP
Control Systems A property of phase lead compensation is that the bandwidth of closed loop system is reduced. rise time of closed loop system is reduced. gain margin is reduced. overshoot is increased. bandwidth of closed loop system is reduced. rise time of closed loop system is reduced. gain margin is reduced. overshoot is increased. ANSWER DOWNLOAD EXAMIANS APP