Stability Theory » Exercise - 145. Because of the addition of a zero to G(s)H(s), the stability of the system is : (a) improved (b) reduced (c) not affected (d) none of these
Stability Theory » Exercise - 122. The root locus can be used to determine : (a) the absolute stability of a system (b) the relative stability of a system (c) both absolute and relative stabilities of a system (d) none of these
Stability Theory » Exercise - 253. The phase margin of a system is 40˚. The damping ratio of the system ξ is approximately : (a) 0.04 (b) 0.4 (c) 4 (d) cannot be estimated
Stability Theory » Exercise - 268. As the polar plot gets closer to the (-1 + j0) point, the stability of the system is : (a) improved (b) reduced (c) not affected (d) none of these