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Lecture notes - School Of Electrical & Electronic Engineering - USM

Lecture notes - School Of Electrical & Electronic Engineering - USM

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Root Locus<br />

Bode Plot<br />

Example on Root Locus<br />

Rules of sketching ROOT LOCI<br />

overview<br />

general rules of Root Loci sketching<br />

1 Find the break-away and break-in points on the real axis, if<br />

any:<br />

1 + F(z) = 1 + KF 1 (z) = 0<br />

K = − 1<br />

F(z)<br />

(5)<br />

The break-away and break-in point can be determined<br />

from the roots of<br />

dK<br />

dz = − d 1<br />

dz F 1 (z) = 0 (6)<br />

nasiruddin@eng.usm.my EEE 354 : STABILITY ANALYSIS TECHNIQUES

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