Control Systems Which of the following transfer functions represent under damped second order systems? All of these 4/(s² + 2s + 4) 1/(s² + s + 1) 2/(s² + 2s + 2) All of these 4/(s² + 2s + 4) 1/(s² + s + 1) 2/(s² + 2s + 2) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The system function N(s) = V(s)/I(s) = (s+3)/(4s+5). The system is initially at rest. If the excitation i(t) is a unit step, which of the following is the initial value? 1/4 3/9 3/5 0 1/4 3/9 3/5 0 ANSWER DOWNLOAD EXAMIANS APP
Control Systems A controller transfer function is given by . What is its nature and parameter? lead compensator, α = 0.2 lag compensator, β = 2 lead compensator, α = 0.1 lag compensator, β = 10 lead compensator, α = 0.2 lag compensator, β = 2 lead compensator, α = 0.1 lag compensator, β = 10 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Given a unity feedback system with G(s) = k/s(s+4), the value of k for damping ratio of 0.5 is 4 16 64 1 4 16 64 1 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° 60° 360° 180° 120° 60° 360° 180° ANSWER DOWNLOAD EXAMIANS APP
Control Systems In signal flow graph output node is node having only------------ outgoing branches incoming branches both 1 and 2 None of these outgoing branches incoming branches both 1 and 2 None of these ANSWER DOWNLOAD EXAMIANS APP