Design Of A Position Loop Servo Controller For A BLDC Motor Based Rotary Electro - Mechanical Actuation System.pdf

Design Of A Position Loop Servo Controller For A BLDC
Motor Based Rotary Electro - Mechanical Actuation System

Final Project Documentation by
Ramanjanyulu Challapalli 06B81A1027
Utkarsh Gupta 06B81A1053
Guided By
External Guide Internal Guide
Laxmi Narayana Narsa Reddy
Scientist(C), CSL ,RCI Asso Prof. CVR College of Engg
Department of Electronics and Instrumentation


CVR COLLEGE OF ENGINEERING
Vasthunagar, Mangalpalli(V),Ibrahimpatnam(M)
Ranga Reddy District
PIN: 501510
TABLE OF CONTENTS

ABSRACT
INTRODUCTION
Chapter 1
ACTUATOR
Types
Mechanical actuators
Hydraulic actuators
Piezoelectric actuators
Electro-mechanical actuators
Choice of Actuation system
Technical Specifications
Description and configuration of Actuator
Brushless DC motor
Reduction gear train
Rotary potentiometer
Servo electronics

Chapter 2
SERVO SYSTEMS
Servo Mechanism
Servo controller
Error generator

mutation
Pulse Width Modulation (PWM) Basics
1. Linear Modulation
2. Saw tooth PWM
3. Regular Sampled PWM
4. Modulation Depth
Power Electronic Drives
MOSFETs and IGBTs: Similar But Different
DSP Servo Controller
Software Features
Brief Specifications

Chapter 3
BLDC
INTRODUCTION
CONSTRUCTION AND OPERATING PRINCIPLE
Stator
Rotor
Hall Sensors
Hall Effect Theory
Working principle
Commutation Sequence
Closed-Loop Control
Torque speed characteristics
Comparing BLDC motor with other motors

Chapter 4
MOTOR AND ITS ARMATURE
Field-Current Controlled
Motor-Generator Calculations
Armature-Current Controlled

Chapter 5
GEARS
ary gear system
Gear ratio
Calculating the output from the input

Chapter 6
POSITION SENSOR
Position Sensor
Principle and Working of Potentiometer
Design of resistive track
Operational life
Design of conductive track
Design of base
Design of Wiper
Actua