(5.3)

>> n=[1 -2 2];

>> d=[1 3 2 0];

>> G=tf(n,d)

Transfer function:

s^2 - 2 s + 2

-----------------

s^3 + 3 s^2 + 2 s

>> sisotool(G)

>> rlocus(G)

>> [k,poles]=rlocfind(G)

Select a point in the graphics window

selected_point =

-0.0154 + 0.6568i

k =

0.7805

poles =

-3.7738

-0.0034 + 0.6431i

-0.0034 - 0.6431i

(5.2)

> n=[5];

>> d=[1 2 -1 1];

>> G=tf(n,d)

Transfer function:

5

-------------------

s^3 + 2 s^2 - s + 1

>> rlocus(G)

>> rlocus(G)

LAB REPORT NO:

CONTROL SYSTEM LABORATORY

EEE 402

To:

Sania afrin

Lecturer, Dept of EEE

United International University

Submitted by:

Md.Salah uddin ID: 021111088

Date of submission: 02.03.2015