Control Systems The open loop transfer function of a unity feedback system is given by G(s) = 1/(s+2)². The closed loop transfer function will have poles at -2,-2 -2+j,-2-j -2,2 -2,-1 -2,-2 -2+j,-2-j -2,2 -2,-1 ANSWER DOWNLOAD EXAMIANS APP
Control Systems A system has poles at 0.01 Hz, 1 Hz and 80 Hz; zeros at 5 Hz, 100 Hz and 200 Hz. The approximate phase of the system response at 20 Hz is -90° -180° 180° 90° -90° -180° 180° 90° ANSWER DOWNLOAD EXAMIANS APP
Control Systems The optimum values of damping ratio is -------------- 0.3 to 5 0.3 to 0.7 0 to 2 0.9 to 1.1 0.3 to 5 0.3 to 0.7 0 to 2 0.9 to 1.1 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Type and order of transfer function G (s) = K / {s(s + 2)} 0, 2. 1, 2. 2, 1. 1, 1. 0, 2. 1, 2. 2, 1. 1, 1. 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 Find the relation of damped natural frequency (ωd) (ωn) √(1-ζ²) (ωn) √(1-1/ζ²) (ωn) √(1-2ζ²) (ωn) √(1-4ζ²) (ωn) √(1-ζ²) (ωn) √(1-1/ζ²) (ωn) √(1-2ζ²) (ωn) √(1-4ζ²) ANSWER DOWNLOAD EXAMIANS APP
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