Control theory is an interdisciplinary branch of engineering and mathematics that deals with the behavior of dynamical systems with inputs, and how their behavior is modified by feedback. The usual objective of control theory is to control a system, often called the plant, so its output follows a desired control signal, called the reference, which may be a fixed or changing value.

## Process Control A First Course with MATLAB – Pao C. Chau – 1st Edition

An introductory 2002 textbook; Process Control covers the most essential aspects of process control suitable for a two-semester course. While…