Control Systems The phase margin of a system having the loop transfer function G(s)H(s) = 2√3/s(s+1) is 45° 30° 80° 60° 45° 30° 80° 60° ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following transfer functions represent under damped second order systems? 4/(s² + 2s + 4) 1/(s² + s + 1) 2/(s² + 2s + 2) All of these 4/(s² + 2s + 4) 1/(s² + s + 1) 2/(s² + 2s + 2) All of these ANSWER DOWNLOAD EXAMIANS APP
Control Systems The maximum phase lag occurs at the ------------------- of the two corner frequencies? None of these geometric mean either 1 or 2 arithmetic mean None of these geometric mean either 1 or 2 arithmetic mean 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 0.50 and 4 rad/s 0.50 and 2 rad/s 0.25 and 2 rad/s 0.25 and 4 rad/s 0.50 and 4 rad/s 0.50 and 2 rad/s 0.25 and 2 rad/s 0.25 and 4 rad/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems The initial slope of Bode plot for a transfer function having no poles at the origin is -20dB/decade. 0 dB/decade -10dB/decade. +10dB/decade. -20dB/decade. 0 dB/decade -10dB/decade. +10dB/decade. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A transfer function has its zero in the right half of the s-plane. The function is non-minimum phase is positive real will give stable impulse response is minimum phase is non-minimum phase is positive real will give stable impulse response is minimum phase ANSWER DOWNLOAD EXAMIANS APP