Lecture Control system design: Introduction - Nguyễn Công Phương

Lecture Control system design include all of the following content: Mathematical models of systems, state variable models, feedback control system characteristics, the performance of feedback control systems, the stability of linear feedback systems, the root locus method,...

Nguyễn Công Phương

CONTROL SYSTEM DESIGN

II Mathematical Models of Systems

III State Variable Models

IV Feedback Control System Characteristics

V The Performance of Feedback Control Systems

VI The Stability of Linear Feedback Systems

VII The Root Locus Method

VIII.Frequency Response Methods

IX Stability in the Frequency Domain

X The Design of Feedback Control Systems

[1] R C Dorf, R H Bishop Modern Control

Systems Prentice Hall, 2011.

[2] N S Nise Control System Engineering Wiley,

2011.

[3] W S Levine Control System Fundamentals.

CRC Press, 2010.

[4] J J D’Azzo, C H Houpis, S N Sheldon.

Linear Control System Analysis and Design with Matlab Marcel Dekker, 2003.

[5] G C Goodwin, S F Graebe, M E Salgado.

Control System Design Prentice – Hall, 2000.

[6] sites.google.com/site/ncpdhbkhn

Introduction (1)

• Control system: an interconnection of

components forming a system configuration that will provide a desired system response.

Process

Introduction (2)

Process

Process

Desired output

Open – loop control system (without feedback)

Introduction (3)

Process

Process

Desired output

response

Actual output

Actuator Controller

Closed – loop control system (with feedback)

Sensor

(–)

Error

Introduction (4)

Process

Process

Desired

output

output

Actuator Controller

Closed – loop control system with external disturbances & measurement noise

Sensor

(–)

Error

Measurement noise Disturbance

Introduction (5)

Process

Process

Desired output

response

Actual output

Actuator Controller #1

Sensor #1

(–)

Error

Measurement output Feedback

Controller #2

Error

(–)

Inner loop Outer

loop

Introduction (6)

Process

Sensor

Error

Desired output

response

Actual output

Multivariable control system

Introduction (7)

Introduction (8)

Introduction (9)

http://www.ebay.co.uk/itm/Sports-

Motorbike-Road-Bike-Transport- Wall-Art-Sticker-Transfers-/330771581272

Actual direction of travel

Desired direction

of travel

Introduction (10)

http://www.dieuhoanhat.net/2014

/02/nhiet-do-cai-dat-may-dieu-hoa.html

Room

Desired

system

Controller

(–)

Error

Actual temperature

Introduction (11)