LIST OF TABLES LIST OF FIGURES ABBREVIATIONS NOTATIONS PREFACE Chapter 1 Introduction 1.1. Scope of process control 1.2. Proportional Integral Derivative Control 1.3. Loop tuning 1.4.
Relay feedback Technique &nbs p; 1.5. Real time applications 1.6. Conclusion Chapter 2 Relay feedback control 2.1 Relay control system classification 2.2 Describing function analysis 2.3 Relay auto-tuning for scalar systems 2.
3.1 Modified relay feedback method - Sung et. al. (1995) 2.3.2. Modified Fourier series analysis of process response - Srinivasan & Chidambaram (2004) 2.3.
3. Use of preload relay - Tan et. al. (2006) 2.3.4. Enhanced process activation method - Je et. al.
(2009) 2.3.5. Simulation study 2.4 Relay auto-tuning of multivariable systems 2.4.1. Pairing criteria 2.
4.2. Condition for limit cycle to occur 2.5. Relay feedback test for multivariable systems 2.5.1. Relay auto-tuning of decentralized controllers 2.
5.1.1. Palmor et. al. (1994) 2.5.1.
2. Zhuang and Atherton (1994) 2.5.1.3. Campestrini et. al. (2006) 2.
5.2. Relay auto-tuning of centralized controller 2.5.2.1. Menani and Koivo (1996c) 2.5.
2.2. Wang et. al. (1997) 2.5.2.3.
Menani (1999) 2.6. Design of PID controllers 2.7. Robustness stability analysis 2.8. Conclusion ; Chapter 3 Auto Tuning of Unstable SOPTD Systems 3.1 Introduction 3.
2 Consideration of higher order harmonics 3.2.1. Problem 1 3.2.2. Problem 2 3.2.
3. Problem 3 3.3 Measure of robust performance 3.4 Design Procedure&nb sp; 3.4.1 Tuning rule 3.4.2 Simple method to calculate Kc,min 3.
5 Simulation studies 3.5.1 Example 1 3.5.1.1 Effect of measurement noise 3.5.2 Example 2 3.
5.3 Example 3 3.5.4 Example 4: Unstable Non-linear Bioreactor 3.5.4.1 Effect of measurement noise 3.6 Conclusions Chapter 4 Decentralised PID Controllers for stabl e system 4.
1 Introduction 4.2 Design procedure 4.3 Simulation study on stable systems 4.3.1 Example 1 4.3.1.1 Effect of measurement noise 4.
3.2. Example 2 4.3.3. Example 3 4.3.4.
Example 4 4.4 Conclusions Chapter 5 Decentralised PID Controllers for unstable system 5.1. Introduction 5.2. Design procedure 5.3. Simulation study on unstable systems 5.
3.1 Example 1 5.3.1.1 Calculation of Kc,min 5.3.1.2.
Calculation of Kc,max 5.3.2. Example 2 5.3.2.1 C alculation of Kc,min 5.3.
2.2.Calculation of Kc,max 5.3.3. Example 3 5.3.3.
1. Calculation of Kc,min 5.3.3.2.Calculation of Kc,max 5.4. Conclusion Chapter 6 Centralised PID Controllers for unstable systems 6.
1 Introduction 6.2 Controller design method 6.3 Robustness analysis &nb sp; 6.4 Simulation studies on unstable systems 6.3.1 Example 1 6.3.2 Example 2 6.
5. Conclusion Chapter 7 Refined Ziegler-Nichols method for unstable SISO systems 7.1. Introduction 7.2. Controller design method 7.3. Simulation study 7.
3.1. Example 1 7.3.2. Example 2 7.3.3.
Example 3 7.3.4. Example 4 7.3.5. Example 5 7.4.
Improved relay tuning method &n.