MODELING,CONTROLLING &

SIMULATION OF DC MOTOR

PRESENTED BY COURSE LECTURER

SYED ATIF CHISHTI PROF: KAMIL ERKAN KABAK

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IE 508 SYSTEM SIMULATION AND MODELING

PRESENTATION SEQUENCE

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Introduction

Modeling of DC Motor

Open Loop response of DC Motor

Closed-Loop response with lag compensator

Closed-Loop response with lead compensator .

Second approach by using a Physical modeling approach (Step wise discussion)

Modeling of Three phase fully controlled bridge rectifier

Simulation & Discussion of the model(Three phase fully controlled rectifier)

Simulation of the complete system : DC motor + Inverter

INTRODUCTION

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OBJECTIVE

CONTROL

VARIABLE

SPEED

ANGULAR

VELOCITY

TORQUE

CURRENT

PROJECT FLOW DIAGRAM

STUDY

DECISION

Approaches

MODELING

SIMULA-

TION

COMBINED

SIMULATION

RESULTS

REPORT&

PRESENTATION

Idea

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DC MOTOR WITH PHYSICAL

PARAMETER

The physical parameters for the DC motor are:

(J) moment of inertia of the rotor 0.01 kg.m^2

(b) motor viscous friction constant 0.1 N.m.s

(Ke) electromotive force constant 0.01 V/rad/sec

(Kt) motor torque constant 0.01 N.m/Amp

(R) electric resistance 1 Ohm

(L) electric inductance 0.5 H

MODELLING THE DC MOTOR

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SIMULINK APPROACH

OPEN LOOP RESPONSE OF DC MOTOR

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BASIC LANGUAGE

WRITTEN BY LES JOHSON

PUBLISHED BY CROWNHILL ASSOCIATES

LIMITED, ENGLAND, 2004

USER FRIENDLY

SIMULINK APPROACH CLOSED LOOP RESPONSE WITH

LAG COMPENSATOR

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SIMULINK APPROACH

CLOSED LOOP RESPONSE WITH LEAD COMPENSATOR

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CONTROL EFFORT UNDER LAG & LEAD COMPENSATION

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PHYSICAL MODELING

APPROACH

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SIMULATION RESULT OF PMA

MODELING OF THREE PHASE FULLY CONTROLLED

BRIDGE RECTIFIER

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SIMULATION RESULT OF THREE PHASE CONTROLLED

RECTIFIER

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Simulation of the complete system : DC

motor + Inverter

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SIMULATION RESULT

AT THYRISTOR FIRING ANGLE =0

AT THYRISTOR FIRING ANGLE =30

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AT THYRISTOR FIRING ANGLE =60

AT THYRISTOR FIRING ANGLE =90

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