Control Systems Error at corner frequency ωcf of first order control system is ------- ±2 db ±4 db ±3 db ±1 db ±2 db ±4 db ±3 db ±1 db ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following represents the value of resonant frequency (ωr)? (ωn) √(1-ζ²/2) 2*(ωn) √(1-ζ²) (ωn) √(1-2ζ²) (ωn) √(1-ζ²) (ωn) √(1-ζ²/2) 2*(ωn) √(1-ζ²) (ωn) √(1-2ζ²) (ωn) √(1-ζ²) ANSWER DOWNLOAD EXAMIANS APP
Control Systems For a unity feedback control system open loop transfer function then velocity error constant is 10. 0. 50. infinity. 10. 0. 50. infinity. 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? Tω1 = tan(ω1) ω1 = cot(Tω1) Tω1 = cot(ω1) ω1 = tan(Tω1) Tω1 = tan(ω1) ω1 = cot(Tω1) Tω1 = cot(ω1) ω1 = tan(Tω1) 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 All of these Rejection of disturbance signals Low sensitivity to parameter variations Reduction in gain at the expense of better stability All of these Rejection of disturbance signals Low sensitivity to parameter variations ANSWER DOWNLOAD EXAMIANS APP
Control Systems A ramp input applied to an unity feedback system results in 5% steady state error. The type number of the system is...........? 3 5 2 1 3 5 2 1 ANSWER DOWNLOAD EXAMIANS APP