April 2020
Intermediate
368 pages
12h 45m
English
Content preview from PID Control System Design and Automatic Tuning using MATLAB/Simulink
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1Basics of PID Control
1.1 Introduction
This chapter will introduce the basic ideas of PID control systems. It starts with an introduction to the roles of proportional control, integral control, and derivative control, followed by an introduction to the various tuning rules developed over the past several decades. These tuning rules are mainly developed for first order plus delay systems and are simple to use. However, they do not, in general, guarantee satisfactory control system performance. Simulation examples will be used to illustrate closed-loop performance.
This chapter is suitable for those who want to understand the very basics of PID control systems. By utilization of the tuning rules, it is possible to have an application of a PID control system without further exploration.
1.2 PID Controller Structure
There are four types of controllers that belong to the family of PID controllers: the proportional (P) controller, the proportional plus integral (PI) controller, the proportional plus derivative (PD) controller and the proportional plus integral plus derivative (PID) controller. To understand the roles of the controllers, in this section we will discuss each of the structures and the PID controller parameters. From the discussions, we will establish some basic knowledge about how to use these controllers in various applications.
1.2.1 Proportional Controller
The simplest controller is the proportional controller. With this term proportional, the feedback control ...
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