The system with the open loop transfer function G(s)H(s)=has a gain margin of
Find the resonant peak value of a system whose damping ratio is 0.5 (Give your answer upto 2 decimal places)
Find the location of roots of characteristic equation and stability for closed loop system having characteristic equation as S5+S4+4S3+4S2+4S+4=0
Which of the following is true for the Signal Flow Graph (SFG) given below?
A unity-feedback servo-driven instrument has an open loop transfer function given as . It is given that the peak overshoot of the system on step input is 35.1 %. Find the steady state error to an input (1 + 4t)u(t).
An unforced system is characterised by the following state equation,
The sum of all elements of the state transition matrix is given by . Find the value of [Give the answer in two decimal places]
The feedback system shown below oscillates at 2 rad/s when
The Bode plot of a transfer function G(s) is shown in the figure below. The gain (20 log|G(s)| ) is 32 dB and –8 dB at 1 rad/s and 10 rads/s respectively. The phase is negative for all ω. Then G(s) is
A unity feedback system has an open loop transfer function. The phase margin in degrees will be ________.
A linear second-order single-input continous-time system is described by the following set of differential equations: Ẋ1(t)= -2 X1(t)+ 4 X2(t) Ẋ2(t)= 2 X1(t) – X2(t) +u(t) Where X1(t) and X2(t) are the state variables and u(t) is the control variable. The system is
G(s) = (s+a)/(s+b) is a lead controller to obtain maximum phase lead of 30⁰. The values of a and b are
Study the standard negative feedback configuration with G(s) = and H(s) =0.5. Find the number of clockwise encirclements of (-1, 0) in the Nyquist of the Loop transfer function G(s) H(s) will be
The transfer function of the linear time variant system show in figure below is
Consider the Bode magnitude plot shown in the figure. The transfer function H(s) is
Find the value of the Transfer function of the Signal Flow Graph (SFG) given below: [Write the answer upto two decimal point]