PID controller working principle

PID controller is a term very common for instrumentation students. Professionals from other backgrounds are also curious about PID. It is very essential part of automation in Process Industry. Before explaining about the working of PID controller we need to understand what is PID controller?

What is PID Controller?

Let’s have a look on the following video which explains what is PID controller

As you can observe in the above video that in automation while using PLC we can use PID function in PLC program to get our desired stable output. If you are still confused about PID you can write it in the comments below.

The following video shows how does PID controller exactly work?