Control Systems Which of the following represents the value of resonant frequency (ωr)? (ωn) √(1-ζ²) (ωn) √(1-ζ²/2) 2*(ωn) √(1-ζ²) (ωn) √(1-2ζ²) (ωn) √(1-ζ²) (ωn) √(1-ζ²/2) 2*(ωn) √(1-ζ²) (ωn) √(1-2ζ²) ANSWER DOWNLOAD EXAMIANS APP
Control Systems A linear time invariant system has an impulse response e2t for t > 0 . If initial condition are 0 and input is e3t, the output for t > 0 is e3t - e2t. e2t + e3t. e5t. e2t - e3t. e3t - e2t. e2t + e3t. e5t. e2t - e3t. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The system function N(s) = V(s)/I(s) = (s+3)/(4s+5). The system is initially at rest. If the excitation i(t) is a unit step, which of the following is the initial value? 3/9 3/5 1/4 0 3/9 3/5 1/4 0 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The DC gain of a system represented by the transfer function 12 / {( s + 2 )( s + 3 )} is 1. 2. 10. 5. 1. 2. 10. 5. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Find the Laplace transform for sinωt? 1/s s/(s²+ω²) 1/s² ω/(s²+ω²) 1/s s/(s²+ω²) 1/s² ω/(s²+ω²) ANSWER DOWNLOAD EXAMIANS APP
Control Systems A property of phase lead compensation is that the rise time of closed loop system is reduced. gain margin is reduced. overshoot is increased. bandwidth of closed loop system is reduced. rise time of closed loop system is reduced. gain margin is reduced. overshoot is increased. bandwidth of closed loop system is reduced. ANSWER DOWNLOAD EXAMIANS APP