Control Systems The system is initially critical damped. If the gain of the system is doubled, then it will exhibit critical damped characteristics. over damped characteristics. under damped characteristics. undamped characteristics. critical damped characteristics. over damped characteristics. under damped characteristics. undamped characteristics. ANSWER DOWNLOAD EXAMIANS APP
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 2 rad/s 0.25 and 4 rad/s 0.50 and 2 rad/s 0.50 and 4 rad/s 0.25 and 2 rad/s 0.25 and 4 rad/s 0.50 and 2 rad/s 0.50 and 4 rad/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of a system is c(t) = -te-t + 2 e-t (t>0). Its open loop transfer function is (2s+2)/s² (2s+2)/(s+1)² (2s+1)/s² (2s+1)/(s+1)² (2s+2)/s² (2s+2)/(s+1)² (2s+1)/s² (2s+1)/(s+1)² ANSWER DOWNLOAD EXAMIANS APP
Control Systems The closed loop transfer function of a system is 25/(s² + 25). The settling time of the system is 5 sec 25 sec ∞ sec 1 sec 5 sec 25 sec ∞ sec 1 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems Settling time for 5% tolerance band is ------------- 2T. 3T. 5T. 4T. 2T. 3T. 5T. 4T. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A proportional plus derivative controller increases the stability of the system improves the steady state accuracy both 1 and 2 has high sensitivity increases the stability of the system improves the steady state accuracy both 1 and 2 has high sensitivity ANSWER DOWNLOAD EXAMIANS APP
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