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## Meet the editors

Dr. Mohammad Shamsuzzoha holds a Ph.D. in chemical engineering and has recently completed an MBA in entrepreneurship and leadership. He conducts research and provides process engineering, modelling and simulation support to clients in a wide range of process industries. His previous position was a Senior Process Engineering Specialist for ADNOC Refining Co., where he focused on technical support, including process modelling

and simulation, modification, and design for refinery units, and associated gas plants. He is a pioneering researcher and practicing engineer with work experience in academia, industry, and research and development in multicultural environments.

Dr. G. Lloyds Raja was born in Kanyakumari, India. He received his bachelor's and master's degrees in engineering from Anna University. He was awarded a Ph.D. from the Indian Institute of Technology Patna. He was briefly employed as a postdoctoral researcher at the Department of Automation at Shanghai Jiao Tong University, China. He is currently an assistant professor at the National Institute of Technology, Patna. He has more than

10 years of teaching and research experience. During this period, he has authored/ co-authored nearly 35 papers in international journals and peer-reviewed conference proceedings. He has taught courses on linear control systems, modern control theory, electronic circuits and industrial process control, and has delivered invited lectures in several forums.

### Contents


Preface

We are pleased to present this jointly edited book combining our respective

emphasized in Chapters 1-4 and 6 of this book.

processes.

discussed.

system.

expertise in academics and industry. Meeting the continuously evolving challenges in industrial process control requires efficient control strategies that can yield improved performance. Hence, this book covers a range of topics within the realm of proportional-integral-derivative (PID) controller design for various industrial

Many researchers have reported performance improvement in PID-based industrial process control through the use of complex control strategies that require a large number of controllers and filter parameters. However, as simple and effective PID control schemes are more feasible in practice, such design approaches (for unstable processes, nonlinear systems and multi-input multi-output systems) are very much

An effective modelling technique is the basis of any model-based controller design approach, and in Chapter 2, a relay feedback-based modelling of a tank system is

Some PID controller designs based on linearized plant models have their own limitations when employed to control nonlinear systems in practical scenarios. Therefore, a PID controller design method for nonlinear processes is presented in Chapter 5. Advanced disturbance rejection control strategies are vital these days and are much more important than servo tracking in practice. Hence, Chapter 7 is dedicated to a linear quadratic regulator problem with emphasis on a ball and beam

We believe that the contents of this book will help engineers and researchers working in the domain of PID controller design for various applications. We thank all the authors of individual chapters for their contributions, and Sara Debeuc (Author Service Manager, IntechOpen), who was constantly in touch with us to ensure the smooth progress of the chapter review and the editing process. We also acknowledge our respective organizations (Billington Process Technology
