Control Systems A second order under damped system has damping ratio of 0.3. Find the phase margin of the system? 3° 20° 60° 30° 3° 20° 60° 30° ANSWER DOWNLOAD EXAMIANS APP
Control Systems Certain control system has input u(t) and output c(t). If the input is first passed through a block having transfer function e-s and unit gain is applied to the applied to the system. The modified output will be c(t-1).u(t) c(t)u(t) c(t-1).u(t-1) c(t).u(t-1) c(t-1).u(t) c(t)u(t) c(t-1).u(t-1) c(t).u(t-1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of a system is 10/(1 + S) when operated as a unity feedback system, the steady state error to a unit step input will be 10. ¾. Zero. 1/11. 10. ¾. Zero. 1/11. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The optimum values of damping ratio is -------------- 0 to 2 0.9 to 1.1 0.3 to 0.7 0.3 to 5 0 to 2 0.9 to 1.1 0.3 to 0.7 0.3 to 5 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The unit step error coefficient of a system with unity feedback is 1/6. 1. 0. infinity. 1/6. 1. 0. infinity. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following are the disadvantages of a closed loop control system? Complex and costly. Reduces the overall gain. All of these Oscillatory response. Complex and costly. Reduces the overall gain. All of these Oscillatory response. ANSWER DOWNLOAD EXAMIANS APP
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