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[ pdf ] The Digital PIDController explained

The Digital PIDController explained Download
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Topic under  Control Mode
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File size: 29.25 KB
File type: pdf
Last download on: Sat Jul 22, 2017 10:33:15 AM
Short Desciption:
Introduction. This is not an attempt to explain the controller in general terms. It is mererly an attempt to explain how to design the software, its benefits and setbacks.

Summary:
This is not an attempt to explain the controller in general terms. It is mererly an attempt to explain how to design the software, its benefits and setbacks. The quality of the digital controller (calculations) will never be as good as that of an analog one. However there are other benefits to concider. There are many articles written about this subject and the formula for a PID controller is quite simple. Here however, we are going to design the software without floating point arithmetics. There are many pitfalls in designing without floating point but I hope you will be a little bit wiser after reading this document. The controlalgorithm is using 12 bits resolution. If a different resolution is desired this will be explained in the aftertext.
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