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? 4 2 0.5 1 4 2 0.5 1 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? 5 sec 4 sec 2 sec 6 sec 5 sec 4 sec 2 sec 6 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems A function y (t) satisfies the following differential equation : Where, δ (t) is the delta function. Assuming zero initial condition and denoting the unit step function by u(t), y(t) can be formed as e-t. etu(t). et. e-tu(t). e-t. etu(t). et. e-tu(t). ANSWER DOWNLOAD EXAMIANS APP
Control Systems The value of 'a' in to give phase margin = 45o will be 1.18. 1.414. 0.9. 0.707. 1.18. 1.414. 0.9. 0.707. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The second order system defined by 25/(s2 + 5s + 25) is given a step input. The time taken for the output to settle with in 2 % of input is 1.6 sec. 0.4 sec. 1.2 sec. 2 sec. 1.6 sec. 0.4 sec. 1.2 sec. 2 sec. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A linear time invariant system, initially at rest when subjected to a unit step input gave response c(t) = te-t (t ≥ 0). The transfer function of the system is 1/s(s+1)2 s/(s+1)2 s/(s+1) (s+1)2/s 1/s(s+1)2 s/(s+1)2 s/(s+1) (s+1)2/s ANSWER DOWNLOAD EXAMIANS APP
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