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? 1/4 0 3/9 3/5 1/4 0 3/9 3/5 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of a linear time invariant system is given as G(s) = 10/(s² + 10s + 10). The steady state value of the output of the system for step input applied at time instant t=2 sec will be infinity undefined 1 0 infinity undefined 1 0 ANSWER DOWNLOAD EXAMIANS APP
Control Systems If the magnitude of G(jω)H(jω) at phase crossover frequency is 0.5. Find the gain margin of the given system? 2 0.5 4 1 2 0.5 4 1 ANSWER DOWNLOAD EXAMIANS APP
Control Systems A system of constant voltage and constant frequency is called _________________ system. infinite. zero. feedback. None of these infinite. zero. feedback. None of these ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is/are the advantages of a closed loop control system? both 1 and 2. The closed loop systems are less affected by noise. The closed loop systems are accurate. nether 1 nor 2. both 1 and 2. The closed loop systems are less affected by noise. The closed loop systems are accurate. nether 1 nor 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 + s + 2) 1/(s² + s + 2) 2/(s² + 3s + 2) 1/(s² + 3s + 2) 2/(s² + s + 2) 1/(s² + s + 2) 2/(s² + 3s + 2) 1/(s² + 3s + 2) ANSWER DOWNLOAD EXAMIANS APP
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