Is PID 2-DOF same with fuzzy PID ?

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milad chalipa
milad chalipa 2017-11-29
回答： Harsh Sharma 2024-9-19
I need precise PID controller for temperature of furnace (with ramp & soak) and want to implement fuzzy PID for more accurate system, So is PID with two degrees of freedom same with fuzzy PID ? Or need to assemble fuzzy PID manually in Simulink ?

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Harsh Sharma
Harsh Sharma 2024-9-19
Hi Milad,
A 2dof PID controller, commonly known as an ISA-PID compensator, is equivalent to a feedforward compensator and a feedback compensator. In contrast, Fuzzy PID controller uses fuzzy inference system (FIS) maps given inputs to outputs using fuzzy logic. For control applications, typical FIS inputs are the error and change of error.
You can use the Fuzzy PID controller from the “Fuzzy Logic Toolbox”. For more information on Fuzzy PID controller check the following page –
https://www.mathworks.com/help/fuzzy/fuzzypidcontroller.html

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