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 = cot(Tω1) Tω1 = tan(ω1) ω1 = tan(Tω1) Tω1 = cot(ω1) ω1 = cot(Tω1) Tω1 = tan(ω1) ω1 = tan(Tω1) Tω1 = cot(ω1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems A proportional plus integral controller both 2 and 3 has high sensitivity increases the stability of the system it increases rise time both 2 and 3 has high sensitivity increases the stability of the system it increases rise time ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is/are the characteristics of negative feedback control system? Reduction in gain at the expense of better stability Low sensitivity to parameter variations All of these Rejection of disturbance signals Reduction in gain at the expense of better stability Low sensitivity to parameter variations All of these Rejection of disturbance signals ANSWER DOWNLOAD EXAMIANS APP
Control Systems An open loop control system, represented by the transfer function G ( s ) = ( s - 1 ) / ( s + 2 )( s + 3 ), is stable and of the non-minimum phase type. unstable and of the minimum phase type. stable and of the minimum phase type. unstable and of the non minimum phase type . stable and of the non-minimum phase type. unstable and of the minimum phase type. stable and of the minimum phase type. unstable and of the non minimum phase type . ANSWER DOWNLOAD EXAMIANS APP
Control Systems The Laplace transformation of f(t) is F(S) given the final value of f(t) is Infinite. None of them. Zero. One. Infinite. None of them. Zero. One. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following combinations is/are correct electrical analogous elements in force-current analogy? Velocity (v) ----------------- Voltage (V) All of these Spring element (K) --------- Inverse inductance (1/L) Force (f) --------------------- Current (i) Velocity (v) ----------------- Voltage (V) All of these Spring element (K) --------- Inverse inductance (1/L) Force (f) --------------------- Current (i) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS