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? 0.5 4 2 1 0.5 4 2 1 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The value of 'a' in to give phase margin = 45o will be 1.414. 1.18. 0.707. 0.9. 1.414. 1.18. 0.707. 0.9. 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 et. e-tu(t). e-t. etu(t). et. e-tu(t). e-t. etu(t). ANSWER DOWNLOAD EXAMIANS APP
Control Systems Transfer function of zero order hold response is (1 / s) × e-st. (1 / s) × (1 - e-st). (s) × (1 - est). (1 / s) × (1 - est). (1 / s) × e-st. (1 / s) × (1 - e-st). (s) × (1 - est). (1 / s) × (1 - est). ANSWER DOWNLOAD EXAMIANS APP
Control Systems The following transfer function represents a phase-lead compensator? 1/s (s+4)/(s+6) (s+4)/(3s+6) (4s+2)/(6s+1) 1/s (s+4)/(s+6) (s+4)/(3s+6) (4s+2)/(6s+1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems A unity feedback control system has forward loop transfer function as e-Ts/s(s+1). Its phase value will be zero at frequency ω1. Which of the following equations should be satisfied by ω1? ω1 = tan(Tω1) ω1 = cot(Tω1) Tω1 = cot(ω1) Tω1 = tan(ω1) ω1 = tan(Tω1) ω1 = cot(Tω1) Tω1 = cot(ω1) Tω1 = tan(ω1) ANSWER DOWNLOAD EXAMIANS APP
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