Control Systems The following transfer function represents a phase-lead compensator? (s+4)/(3s+6) (4s+2)/(6s+1) (s+4)/(s+6) 1/s (s+4)/(3s+6) (4s+2)/(6s+1) (s+4)/(s+6) 1/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems What is the type of closed loop system for the plant transfer function G(s) = k/s²(1+Ts) and with unity feedback? 3 0 2 1 3 0 2 1 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The poles of the second order system are at -3 ± j4. The damping ratio of the system is 3/4 4/5 3/7 3/5 3/4 4/5 3/7 3/5 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The open loop transfer function of non unity negative feedback system is , then the number of root locus branches equal to 2. 3. 0. 1. 2. 3. 0. 1. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following represents the value of resonant frequency (ωr)? 2*(ωn) √(1-ζ²) (ωn) √(1-ζ²/2) (ωn) √(1-2ζ²) (ωn) √(1-ζ²) 2*(ωn) √(1-ζ²) (ωn) √(1-ζ²/2) (ωn) √(1-2ζ²) (ωn) √(1-ζ²) 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