Stability Theory » Exercise - 1 1. The loop transfer function of a feedback control system is given by Number of asymptotes of its root loci is : (a) 1 (b) 2 (c) 3 (d) 4
Stability Theory » Exercise - 117. The open-loop transfer function of a control system has 5 poles and 3 zeros. The number of asymptotes is equal to : (a) 5 (b) 3 (c) 2 (d) 8
Stability Theory » Exercise - 143. The routh stability criterion for testing the stability of system is : (a) an algebraic method (b) a graphical method (c) combination of a and b (d) none of these
Stability Theory » Exercise - 130. The characteristic equation 1 + G(s)H(s) = 0 of a system is given by s4 + 8s3 +12s2 +8s + K = 0 For the system to remain stable, the value of gain K should be : (a) zero (b) 0< K (c) >11 (d) positives
Tags: stability, theory, system, exercise, gain, electronics, engineering
Stability Theory » Exercise - 255. A polar plot crosses the real axis at (-1 + j0) point. The gain margin of the system is : (a) -1˚ (b) 0˚ (c) -180˚ (d) +180˚
Tags: stability, theory, exercise, gain, system, electronics, engineering