Control Systems A transfer function has a zero at s = -1 and poles at s = -1 ± j1. The multiplier being unity, if the input is step function, the steady state response is given by 2∠90° 0.5∠0° 1∠0° 0.5∠10° 2∠90° 0.5∠0° 1∠0° 0.5∠10° ANSWER DOWNLOAD EXAMIANS APP
Control Systems For a second order under damped system subjected to unit step input the time response has first peak value to be 4 times the second over shoot. Determine the damping ratio ξ ? 0.87 0.707 0.07 0.087 0.87 0.707 0.07 0.087 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of an initally relaxed linear system is e-2tu(t). To produce a response of te-2tu(t), the input must be equal to e-2tu(t). (0.5)e-2tu(t). 2e-tu(t). e-tu(t). e-2tu(t). (0.5)e-2tu(t). 2e-tu(t). e-tu(t). ANSWER DOWNLOAD EXAMIANS APP
Control Systems If the magnitude of G(jω)H(jω) at phase crossover frequency is 0.5. Find the gain margin of the given system? 4 0.5 1 2 4 0.5 1 2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of a system is G(s) = 100/((s+1)(s+100)). For unit step input to the system the approximate settling time for 2% criterion is 4 sec 10 sec 100 sec 400 sec 4 sec 10 sec 100 sec 400 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems A system is stable for (where GM = Gain Margin and PM = Phase Margin): GM -ve. PM - ve. GM and PM both +ve. GM and PM both -ve. GM -ve. PM - ve. GM and PM both +ve. GM and PM both -ve. ANSWER DOWNLOAD EXAMIANS APP