Which one of the following is NOT a correct statement about the state-space model of a physical system?
A. State-space model can be obtained only for a linear system
B. Eigen values of the system represents the roots of the characteristic equation
C. \[\mathop {\rm{X}}\limits^ \cdot \] = AX + BU represents linear state-space model of a physical system
D. X(t) represents the state vector of the system
Answer: Option A
This Question Belongs to Electronics And Communications Engineering >> Control Systems
In root locus analysis the breakaway and break in points
A. lie on the real axis
B. Either lie on the real axis or occur in complex conjugate pairs
C. Always occur in complex conjugate pairs
D. None of the above
Which of the following features is not associated with Nichols chart?
A. (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0)
B. It is symmetric about -180°
C. M loci are centred about (0 dB, -180°) point
D. The frequency at intersection of G (j$$\omega $$) locus and M = +3 dB locus gives bandwidth of closed loop system
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