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**Source:** ee.sharif.edu

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**Last download on:**
Thu Apr 12, 2018 01:58:36 AM

__Short Desciption__:

Introduction to PID Control
Introduction
This introduction will show you the characteristics of the each of proportional (P), the
integral (I), and the derivative (D) controls, and how to use them to obtain a desired
response. In this tutorial, we will consider the following unity feedback system:

__Summary__:

General tips for designing a PID
controller
When you are designing a PID controller for a given system, follow the
steps shown below to obtain a desired response.
1. Obtain an open-loop response and determine what needs to be
improved
2. Add a proportional control to improve the rise time
3. Add a derivative control to improve the overshoot
4. Add an integral control to eliminate the steady-state error
5. Adjust each of Kp, Ki, and Kd until you obtain a desired overall
response. You can always refer to the table shown in this
document to find out which controller controls what
characteristics.
Lastly, please keep in mind that you do not need to implement all three
controllers (proportional, derivative, and integral) into a single
system, if not necessary. For example, if a PI controller gives a good
enough response (like the above example), then you don't need to
implement derivative controller to the system. Keep the controller as
simple as possible.

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"Introduction to PID Control"

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