Control Systems In frequency response analysis of second order system, the error at corner frequency is -10 logξ -20 log2ξ 20 log2ξ 10 logξ -10 logξ -20 log2ξ 20 log2ξ 10 logξ 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 None of these 0 < k < 390. 0 < k < 3900. 0 < k < 39. None of these 0 < k < 390. 0 < k < 3900. 0 < k < 39. ANSWER DOWNLOAD EXAMIANS APP
Control Systems When the input to a system was with drawn at t = 0, its output was found to decrease exponentially from 1000 units to 500 units in 1.386 sec. The time constant of the system is 0.500. 2.000. 1.386. 0.693. 0.500. 2.000. 1.386. 0.693. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A linear time invariant system, initially at rest when subjected to a unit step input gave response c(t) = te-t (t ≥ 0). The transfer function of the system is (s+1)2/s s/(s+1) s/(s+1)2 1/s(s+1)2 (s+1)2/s s/(s+1) s/(s+1)2 1/s(s+1)2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems A second order under damped system has damping ratio of 0.3. Find the phase margin of the system? 20° 3° 60° 30° 20° 3° 60° 30° ANSWER DOWNLOAD EXAMIANS APP
Control Systems The input-output relationship of a linear time invariant continuous time system is given by r(t) = d²c(t)/dt² + 3 dc(t)/dt + 2 c(t) Where r(t) and c(t) are input and output respectively. What is the transfer function of the system equal to? 2/(s² + 3s + 2) 1/(s² + 3s + 2) 2/(s² + s + 2) 1/(s² + s + 2) 2/(s² + 3s + 2) 1/(s² + 3s + 2) 2/(s² + s + 2) 1/(s² + s + 2) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS