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 0.25 and 2 rad/s 0.50 and 4 rad/s 0.50 and 2 rad/s 0.25 and 4 rad/s 0.25 and 2 rad/s 0.50 and 4 rad/s 0.50 and 2 rad/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems A first order control system is initially at 0 V and subjected to a sudden input at t=0. Its output reaches 1.1 V in 4 sec and eventually reaches steady state of 2 V. Find the time constant? 2 sec 5 sec 6 sec 4 sec 2 sec 5 sec 6 sec 4 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems Sparking between the contacts can be reduced by inserting a capacitor in parallel with the contacts. a reactor in the line. a capacitor in series with the contacts. a resistor in the line. a capacitor in parallel with the contacts. a reactor in the line. a capacitor in series with the contacts. a resistor in the line. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The unit impulse response of second order system is 1/6 * e-0.8t sin(0.6t). THen the natural frequency is 2 rad/s 1 rad/s 0.8 rad/s 0.6 rad/s 2 rad/s 1 rad/s 0.8 rad/s 0.6 rad/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems Angle of asymptotes for complimentary root locus is (2q+1)*180/(P-Z) (2q)*180/P (2q)*180/(P-Z) (2q+1)*180/P (2q+1)*180/(P-Z) (2q)*180/P (2q)*180/(P-Z) (2q+1)*180/P ANSWER DOWNLOAD EXAMIANS APP
Control Systems An open loop control system, represented by the transfer function G ( s ) = ( s - 1 ) / ( s + 2 )( s + 3 ), is unstable and of the non minimum phase type . stable and of the non-minimum phase type. unstable and of the minimum phase type. stable and of the minimum phase type. unstable and of the non minimum phase type . stable and of the non-minimum phase type. unstable and of the minimum phase type. stable and of the minimum phase type. ANSWER DOWNLOAD EXAMIANS APP
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