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This book explains the fundamental principles, concepts, and theory of process control and provides detailed examples of how they are applied in industrial processes. It is designed to be a learning tool for both those who want to study independently and those who are studying at a college or university. It also serves as a reference resource for engineers, senior technicians, technologists, and first-line supervisors who are working in or involved in the field of process control. To facilitate understanding the topics presented, the chapters include specific learning objectives, example problems to illustrate specific concepts, and exercises to reinforce learning. Topics covered include: Process dynamics and characteristics Sensors and transmitters—the importance of the accuracy, precision, sensitivity, and validity of measurements Final control elements The process controller Tuning a process control loop Cascade, feedforward, multivariable, and ratio control Statistical process control and fuzzy control Process modeling and simulation Model-based control and controlling dead time Nonlinear and adaptive control Digital systems, specifically digital signal processing and computer implementation of control strategies