Control Systems A second order control system is defined by the following equation: 4 d²c(t)/dt² + 8 dc(t)/dt + 16 c(t) = 16 u(t) The damping ratio and natural frequency for this system are respectively 0.25 and 4 rad/s 0.50 and 4 rad/s 0.50 and 2 rad/s 0.25 and 2 rad/s 0.25 and 4 rad/s 0.50 and 4 rad/s 0.50 and 2 rad/s 0.25 and 2 rad/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems Time response for a second order control system depends on value of ξ. If ξ>1 then the system is called as under damped system. undamped system . critically damped system. over damped system. under damped system. undamped system . critically damped system. over damped system. 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 critical damped Over damped un damped under damped critical damped Over damped un damped under damped ANSWER DOWNLOAD EXAMIANS APP
Control Systems Time taken for the response to rise from zero to 100 % for very first time is called Settling time. Peak time. Rise time. Delay time. Settling time. Peak time. Rise time. Delay time. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The open loop transfer function of a unity feedback control system is G(s) = 1/((s(s+0.1s)(s+1)). The value of damping factor for which the resonant peek is equal to 1.4 is 0.953 0.386 0.707 0.263 0.953 0.386 0.707 0.263 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? both 1 and 3 sin-1((1 - α)/(1 + α) tan-1((1 - α)/(2√α) cos-1((1 - α)/(1 + α) both 1 and 3 sin-1((1 - α)/(1 + α) tan-1((1 - α)/(2√α) cos-1((1 - α)/(1 + α) ANSWER DOWNLOAD EXAMIANS APP