Control Systems - Study Mode
[#91] If the gain of the system is reduced to zero value, the roots of the system in the s-plane:
Correct Answer
(D) Coincide with the poles
[#92] For a state space representation of a system [{
m{A}} = left[ {x08egin{array}{*{20}{c}}
0&1\
{ - 3}&{ - 2}
end{array}}
ight],,{
m{B}} = left[ x08egin{array}{l}
0\
1
end{array}
ight]] xa0 xa0 and C = [1 2] . Then transfer function of system would be:
Correct Answer
(C) [frac{{2s + 1}}{{{s^2} + 2s + 3}}]
[#93] Consider the following statements regarding the asymptotic Bode plots used for frequency response analysis: 1. The deviation of the actual magnitude response for a zero on real axis is 3 dB at the corner frequency. 2. The phase angle for a pair of complex conjugate poles at undamped frequency depends upon the value of damping ratio. Which of the statements given above is/are correct?
Correct Answer
(A) Only 1
[#94] In root locus method, the value of K is obtained as
Correct Answer
(A) Product of length of vectors from poles/Product of length of vectors from zeros
[#95] Consider a unity feedback system having a transfer function $$Gleft( s
ight) = frac{{100}}{{sleft( {0.1s + 1}
ight)}}$$ xa0 xa0is subjected to ramp input. The steady-state error is:
Correct Answer
(C) 0.01