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Ee 2352 - Solidstate Drives: Unit - III

This document outlines the design of controllers for solid state drives. It discusses modeling a DC motor, including deriving its transfer functions. It then covers closed loop speed control and designing separate controllers for the torque loop, speed loop, and position loop, with the faster loops assumed to be ideal when designing the slower loops. References for further information on power semiconductor controlled drives are also provided.

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manoj kumar
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36 views16 pages

Ee 2352 - Solidstate Drives: Unit - III

This document outlines the design of controllers for solid state drives. It discusses modeling a DC motor, including deriving its transfer functions. It then covers closed loop speed control and designing separate controllers for the torque loop, speed loop, and position loop, with the faster loops assumed to be ideal when designing the slower loops. References for further information on power semiconductor controlled drives are also provided.

Uploaded by

manoj kumar
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PPT, PDF, TXT or read online on Scribd
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EE 2352 - SOLIDSTATE DRIVES

Unit -III
DESIGN OF CONTROLLERS FOR DRIVES

Mrs. R. Essaki Raj,


Senior Lecturer

1
Contents

Introduction
Dynamic model of a DC Motor
Block Diagram of a DC Motor
Transfer Functions of a DC Motor
Closed loop speed control
Controller design
Torque loop
Speed loop
Position loop

2
Introduction

3
Introduction

4
Introduction

5
Dynamic model of a DC Motor

6
Block Diagram of a DC Motor

7
Derivation of Transfer Functions

8
Transfer Functions of a DC Motor

9
Closed loop speed control

10
Controller Design

Procedure
Design the torque loop (fastest) first.
Design the speed loop assuming the torque loop
to be ideal.
Design the position loop (slowest) assuming the
speed loop to be ideal.

11
Controller design

12
Torque loop

13
Speed loop

14
Position loop

15
References

G.K. Dubey, Power semi-conductor controlled


drives, prentice hall of india, 1989.

16

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