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 None of the poles of a linear control system lie in the right half of s plane. For a bounded input, the output of this system tends to zero. always bounded. none of these. could be unbounded. tends to zero. always bounded. none of these. could be unbounded. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A negative feedback closed loop control system is supplied to an input of 5 volt. The system has a forward gain of 1 and a feedback gain of 1. What is the output voltage? 1.5 Volt. 2.5 Volt. 2.0 Volt. 1.0 Volt. 1.5 Volt. 2.5 Volt. 2.0 Volt. 1.0 Volt. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The value of gain margin of the system having G ( s )H ( s ) = 8 / ( s + 2 )3 is 6. 2. 8. 4. 6. 2. 8. 4. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation of a feedback control system is given by s³ + 5s² + (k + 6)s + k = 0. In the root loci diagram, the asymptotes of the root loci for large 'k' meet at a point in the s-plane whose coordinates are (2,0) (-1,0) (1,0) (-2,0) (2,0) (-1,0) (1,0) (-2,0) ANSWER DOWNLOAD EXAMIANS APP
Control Systems When the system gain is doubled the gain margin becomes? 2 times None of these 1/2 times Remains unaffected 2 times None of these 1/2 times Remains unaffected ANSWER DOWNLOAD EXAMIANS APP
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