Control Systems In polar plots if the critical point '-1+j0' is enclosed then the system is -------- marginally stable critical stable unstable stable marginally stable critical stable unstable stable 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? 60° 360° 120° 180° 60° 360° 120° 180° ANSWER DOWNLOAD EXAMIANS APP
Control Systems Time response for a second order system depends on value of ξ. If ξ = 1 then the system is called as critically damped system. under damped system. over damped system. undamped system. critically damped system. under damped system. over damped system. undamped system. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A lead compensator used for a closed loop controller has the following transfer function For such a lead compensator a < b. a < kb. b < a. a > kb. a < b. a < kb. b < a. a > kb. ANSWER DOWNLOAD EXAMIANS APP
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? sin-1((1 - α)/(1 + α) cos-1((1 - α)/(1 + α) tan-1((1 - α)/(2√α) both 1 and 3 sin-1((1 - α)/(1 + α) cos-1((1 - α)/(1 + α) tan-1((1 - α)/(2√α) both 1 and 3 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 final value? 1/4 0 1 3/5 1/4 0 1 3/5 ANSWER DOWNLOAD EXAMIANS APP