Control Systems Which of the following are the disadvantages of a closed loop control system? Oscillatory response. Complex and costly. All of these Reduces the overall gain. Oscillatory response. Complex and costly. All of these Reduces the overall gain. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A proportional plus derivative controller improves the steady state accuracy both 1 and 2 increases the stability of the system has high sensitivity improves the steady state accuracy both 1 and 2 increases the stability of the system has high sensitivity 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? 3/5 3/9 0 1/4 3/5 3/9 0 1/4 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The open loop transfer function of a unity feedback system is given by G(s) = 1/(s+2)². The closed loop transfer function will have poles at -2,-1 -2+j,-2-j -2,-2 -2,2 -2,-1 -2+j,-2-j -2,-2 -2,2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The input-output relationship of a linear time invariant continuous time system is given by r(t) = d²c(t)/dt² + 3 dc(t)/dt + 2 c(t) Where r(t) and c(t) are input and output respectively. What is the transfer function of the system equal to? 2/(s² + 3s + 2) 1/(s² + 3s + 2) 2/(s² + s + 2) 1/(s² + s + 2) 2/(s² + 3s + 2) 1/(s² + 3s + 2) 2/(s² + s + 2) 1/(s² + s + 2) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer functions of two compensators are given below. Which one is correct? which one is correct? C1 is a lag compensator and C2 i Both C1 and C2 are lead compensator. Both C1 and C2 are lag compensator. C1 is a lead compensator and C2 i C1 is a lag compensator and C2 i Both C1 and C2 are lead compensator. Both C1 and C2 are lag compensator. C1 is a lead compensator and C2 i ANSWER DOWNLOAD EXAMIANS APP