Control Systems A system is stable for (where GM = Gain Margin and PM = Phase Margin): GM and PM both -ve. GM -ve. PM - ve. GM and PM both +ve. GM and PM both -ve. GM -ve. PM - ve. GM and PM both +ve. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The value of 'a' in to give phase margin = 45o will be 1.414. 0.707. 1.18. 0.9. 1.414. 0.707. 1.18. 0.9. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Find the conditions for the system to be stable? Gain margin and phase margins are negative Gain margin and phase margins are positive Gain margin is negative but phase margin is positive Gain margin is positive but phase margin is negative Gain margin and phase margins are negative Gain margin and phase margins are positive Gain margin is negative but phase margin is positive Gain margin is positive but phase margin is negative ANSWER DOWNLOAD EXAMIANS APP
Control Systems The poles of the second order system are at -3 ± j4. The damping ratio of the system is 4/5 3/4 3/5 3/7 4/5 3/4 3/5 3/7 ANSWER DOWNLOAD EXAMIANS APP
Control Systems A proportional plus derivative controller both 1 and 2 increases the stability of the system has high sensitivity improves the steady state accuracy both 1 and 2 increases the stability of the system has high sensitivity improves the steady state accuracy ANSWER DOWNLOAD EXAMIANS APP
Control Systems The maximum phase lag occurs at the ------------------- of the two corner frequencies? None of these arithmetic mean either 1 or 2 geometric mean None of these arithmetic mean either 1 or 2 geometric mean ANSWER DOWNLOAD EXAMIANS APP