Control Systems Consider the following statements for phase lead compensation: both 1 and 2 Phase lead compensation shifts the gain crossover frequency to the right nether 1 nor 2 The maximum phase lag occurs at the arithmetic mean of the two corner frequencies. both 1 and 2 Phase lead compensation shifts the gain crossover frequency to the right nether 1 nor 2 The maximum phase lag occurs at the arithmetic mean of the two corner frequencies. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is/are represents the lag compensator? both 1 and 2 (s+2)/(s+5) (s+2)/(s+1) (s+5)/(s+6) both 1 and 2 (s+2)/(s+5) (s+2)/(s+1) (s+5)/(s+6) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The closed loop transfer function of a system is 25/(s² + 25). The settling time of the system is 5 sec 1 sec ∞ sec 25 sec 5 sec 1 sec ∞ sec 25 sec 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? 1/4 3/9 0 3/5 1/4 3/9 0 3/5 ANSWER DOWNLOAD EXAMIANS APP
Control Systems A first order control system is initially at 0 V and subjected to a sudden input at t=0. Its output reaches 1.1 V in 4 sec and eventually reaches steady state of 2 V. Find the time constant? 6 sec 5 sec 4 sec 2 sec 6 sec 5 sec 4 sec 2 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems A system is stable for (where GM = Gain Margin and PM = Phase Margin): PM - ve. GM and PM both -ve. GM -ve. GM and PM both +ve. PM - ve. GM and PM both -ve. GM -ve. GM and PM both +ve. ANSWER DOWNLOAD EXAMIANS APP
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