HVAC Control Systems: Modelling, Analysis and

HVAC Control Systemsbridges the gap between classical automatic control and process control and HVAC control. The book examines in particular the current developments in intelligent HVAC control.

C. P. Underwood is Reader in the Department of the Built Environment, University of Northumbria at Newcastle, Newcastle upon Tyne, UK.

Preface

ix

Acknowledgements

xi

HVAC control systems

1

(33)

Basic concepts

1

(3)

HVAC control strategies

4

(17)

Distributed control

21

(5)

System configuration

26

(8)

References

31

(3)

Device technology

34

(44)

Sensors

34

(15)

Control elements

49

(23)

PID (proportional/integral/derivative) controllers

72

(6)

References

76

(2)

System modelling

78

(39)

Simple room modelling for control analysis

78

(5)

Accounting for fabric in room modelling

83

(10)

Heat emitter and non-linear modelling

93

(4)

A coupled room and emitter model

97

(10)

Component modelling

107

(10)

References

115

(2)

System stability

117

(44)

Feedback control

117

(9)

Stability tests

126

(19)

Feedforward control

145

(6)

Model reduction

151

(10)

References

159

(2)

Discrete-time systems

161

(35)

The z-transform

161

(1)

Representing discrete-time systems

161

(5)

Stability tests in discrete-time systems

166

(11)

The sampling interval

177

(5)

Digital control algorithms

182

(14)

References

194

(2)

Multivariable control

196

(36)

State-space representation of systems

196

(4)

The transfer function matrix

200

(1)

The multivariable control problem

201

(17)

Design of multivariable compensators

218

(14)

References

230

(2)

System identification and controller tuning

232

(32)

System identification

232

(13)

Assessing the quality of response

245

(2)

Fixed-parameter controller tuning methods

247

(17)

References

262

(2)

Adaptive control

264

(27)

Adaptive controllers

264

(1)

Direct and indirect adaptive control algorithms

265

(14)

Model-reference adaptive control

279

(5)

Gain scheduling

284

(2)

Progress in HVAC adaptive control

286

(5)

References

288

(3)

Advanced methods

291

(41)

Robust control

291

(9)

Expert systems

300

(1)

Fuzzy logic control

301

(10)

Artificial neural networks

311

(21)

References

328

(4)

Index

332

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HVAC Control Systems: Modelling, Analysis and Design

Summary

Author Biography

Table of Contents

Supplemental Materials