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? both 1 and 3 tan-1((1 - α)/(2√α) sin-1((1 - α)/(1 + α) cos-1((1 - α)/(1 + α) both 1 and 3 tan-1((1 - α)/(2√α) sin-1((1 - α)/(1 + α) cos-1((1 - α)/(1 + α) 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 5 4 10 6.5 5 4 10 6.5 ANSWER DOWNLOAD EXAMIANS APP
Control Systems In signal flow graph input node is node having only------------ None of these outgoing branches. incoming branches. both 1 and 2. None of these outgoing branches. incoming branches. both 1 and 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 ? 0.87 0.087 0.707 0.07 0.87 0.087 0.707 0.07 ANSWER DOWNLOAD EXAMIANS APP
Control Systems A second order control system has a transfer function 16/(s² + 4s + 16). What is the time for the first overshoot? π/√3 sec π/4√3 sec 2π/√3 sec π/2√3 sec π/√3 sec π/4√3 sec 2π/√3 sec π/2√3 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems The phase margin of a system having the loop transfer function G(s)H(s) = 2√3/s(s+1) is 30° 80° 60° 45° 30° 80° 60° 45° ANSWER DOWNLOAD EXAMIANS APP
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