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
Control Systems In frequency response analysis of second order system, the error at corner frequency is 20 log2ξ 10 logξ -20 log2ξ -10 logξ 20 log2ξ 10 logξ -20 log2ξ -10 logξ ANSWER DOWNLOAD EXAMIANS APP
Control Systems A box which tells the effect of inputs on control sub system is known as Logical box. State box. Decision box. Data Box. Logical box. State box. Decision box. Data Box. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Consider a point S = -3 + j4 in the s-plane. Then for a system with the open loop transfer function ? S is on root locus None of these S is not on root locus either 1 or 2 S is on root locus None of these S is not on root locus either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of the system described by d²/dt²(y(t)) + 3d/dt(y(t)) + 2y(t) = 5u(t) with u(t) as input and y(t) as output is s(s²+3s+2)/5 5/(s²+3s+2) 5/s(s²+3s+2) (s²+3s+2)/5 s(s²+3s+2)/5 5/(s²+3s+2) 5/s(s²+3s+2) (s²+3s+2)/5 ANSWER DOWNLOAD EXAMIANS APP
Control Systems For a unity feedback control system open loop transfer function then acceleration error constant is infinity. 50. 20. 0. infinity. 50. 20. 0. ANSWER DOWNLOAD EXAMIANS APP
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