A proportional–integral–derivative controller (PID controller or three-term controller) is a control loop mechanism employing feedback that is widely used in industrial control systems and a variety of other applications requiring continuously modulated control. A PID controller continuously calculates an error value, e(t), as the difference between a desired setpoint (SP) and a measured process variable (PV) and applies a correction based on proportional, integral, and derivative terms (denoted P, I, and D respectively), hence the name.
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Proportional-Integral-Derivative (PID) Controller
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Introduction: PID Controller Design
30 min
Beginner
Article / Blog
Application
In this tutorial we will introduce a simple, yet versatile, feedback compensator structure: the Proportional-Integral-Derivative (PID) controller. The PID controller is widely employed...
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TCLab PID Control
60 min
Intermediate
Article / Blog
Application
Implement a PID controller on the Temperature Control Lab hardware to drive the temperature from room temperature to 60 degrees C. This resource lets you attempt the design yourself first...
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Improving the Beginner's PID - Introduction
30 min
Beginner
Article / Blog
Application
In conjunction with the release of the new Arduino PID Library Brett has released this series of posts that explain his PID code. He start's with what he call's “The Beginner’s PID.” He...
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Feedforward tuning rules for measurable disturbances with PID control: a tut...
Intermediate
Peer Reviewed Paper
Theory
Feedforward control can be considered as the most well-known control approach to deal with measurable disturbances. It started to be used almost 100 years ago, and since then it is being...
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Experimental evaluation of feedforward tuning rules
Advanced
Peer Reviewed Paper
Demonstration
This paper presents a practical comparison for some of the most relevant tuning rules for feedforward compensators that have been published in the recent years. The work is focused on the...
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Understanding PID Controller
13 min
Beginner
Article / Blog
Theory
This blog post begins by walking through the basics and the theoretical part of the PID controllers. The controller is then tested, verified, and analyzed using MATLAB.
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