Project - Speed Control of a Direct Current (DC) motor

Dear Sir/Mam

Good Afternoon

Please see the my ans. and give the feedback if any mistake.

Tnanks and Regards

Rakesh Bhardwa

clear all;

clc;

j=0.01; % Moment of inertia of the rotor

b=0.1; % Motor viscous friction constant

km=0.5; % Back EMF constant

kt=0.01; %Motor Torque

ra=1; % Resistance of the rotor

la=0.5; % Inductance of the armature

A=[-b/j kt/j; -km/la -ra/la];

B=[0 ; 1/la];

fn=1;

wn=2*pi*fn;

zeta=0.589;

p1=-zeta*wn+wn*sqrt(zeta^2-1);

p2=-zeta*wn-wn*sqrt(zeta^2-1);

P=[p1;p2]

K=place(A,B,P)