Control Systems Time constant is defined as the time taken by the response of the system to reach ----------- ? 63% of the final value 100% of the final value 70.7% of the final value 50% of the final value 63% of the final value 100% of the final value 70.7% of the final value 50% of the final value ANSWER DOWNLOAD EXAMIANS APP
Control Systems A unity feed back system has forward transfer function The range of k for the system to be stable is 0 < k < 39. None of these 0 < k < 3900. 0 < k < 390. 0 < k < 39. None of these 0 < k < 3900. 0 < k < 390. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A second order system has peak over shoot = 50% and period of oscillations 0.2 seconds. Find the resonant frequency? 30.63 rad/s 32.16 rad/s 29.74 ra/s 31.41 rad/s 30.63 rad/s 32.16 rad/s 29.74 ra/s 31.41 rad/s 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/2√3 sec π/√3 sec 2π/√3 sec π/4√3 sec π/2√3 sec π/√3 sec 2π/√3 sec π/4√3 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems The open loop transfer function of a unity feedback system is given by G(s) = 1/(s+2)². The closed loop transfer function will have poles at -2,-2 -2,-1 -2,2 -2+j,-2-j -2,-2 -2,-1 -2,2 -2+j,-2-j ANSWER DOWNLOAD EXAMIANS APP
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 2 rad/s 0.25 and 4 rad/s 0.50 and 2 rad/s 0.50 and 4 rad/s 0.25 and 2 rad/s 0.25 and 4 rad/s 0.50 and 2 rad/s 0.50 and 4 rad/s ANSWER DOWNLOAD EXAMIANS APP