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? Tω1 = tan(ω1) Tω1 = cot(ω1) ω1 = cot(Tω1) ω1 = tan(Tω1) Tω1 = tan(ω1) Tω1 = cot(ω1) ω1 = cot(Tω1) ω1 = tan(Tω1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of a system is 10/(1 + S) when operated as a unity feedback system, the steady state error to a unit step input will be Zero. 1/11. ¾. 10. Zero. 1/11. ¾. 10. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A second order system has peak over shoot = 50% and period of oscillations 0.2 seconds. Find the resonant frequency? 29.74 ra/s 30.63 rad/s 31.41 rad/s 32.16 rad/s 29.74 ra/s 30.63 rad/s 31.41 rad/s 32.16 rad/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems In frequency response analysis of second order system, the error at corner frequency is 20 log2ξ 10 logξ -10 logξ -20 log2ξ 20 log2ξ 10 logξ -10 logξ -20 log2ξ ANSWER DOWNLOAD EXAMIANS APP
Control Systems Consider the following statements for phase lead compensation: Phase lead compensation shifts the gain crossover frequency to the right both 1 and 2 The maximum phase lag occurs at the arithmetic mean of the two corner frequencies. nether 1 nor 2 Phase lead compensation shifts the gain crossover frequency to the right both 1 and 2 The maximum phase lag occurs at the arithmetic mean of the two corner frequencies. nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems When the polynomial is Routh Hurwitz, none of these. the function is not real. the roots of function have real parts which are to be zero/negative. all zeroes lie in the right half of the s-plane. none of these. the function is not real. the roots of function have real parts which are to be zero/negative. all zeroes lie in the right half of the s-plane. ANSWER DOWNLOAD EXAMIANS APP
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