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? 3/5 3/9 0 1/4 3/5 3/9 0 1/4 ANSWER DOWNLOAD EXAMIANS APP
Control Systems what is the Laplace transform of a function δ(t-2)? 0 2 2s e-2s 0 2 2s e-2s ANSWER DOWNLOAD EXAMIANS APP
Control Systems Time response for a second order control system depends on value of ξ. If ξ>1 then the system is called as over damped system. critically damped system. undamped system . under damped system. over damped system. critically damped system. undamped system . under damped system. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The phase margin of a system having the loop transfer function G(s)H(s) = 2√3/s(s+1) is 80° 30° 60° 45° 80° 30° 60° 45° ANSWER DOWNLOAD EXAMIANS APP
Control Systems The open loop transfer function for unity feedback system is given by 5(1+0.1s) / (s(1+5s)(1+20s)) Find the steady state error for a step input of magnitude 10 is equal to 5. zero. 2. infinite. 5. zero. 2. infinite. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of a system is c(t) = -te-t + 2 e-t (t>0). Its closed loop transfer function is (2s+1)/s² (2s+2)/s² (2s+2)/(s+1)² (2s+1)/(s+1)² (2s+1)/s² (2s+2)/s² (2s+2)/(s+1)² (2s+1)/(s+1)² ANSWER DOWNLOAD EXAMIANS APP
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