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[Octave-bug-tracker] [bug #56008] defuzz provides inaccurate result
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From: |
Doug Stewart |
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Subject: |
[Octave-bug-tracker] [bug #56008] defuzz provides inaccurate result |
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Date: |
Wed, 27 Mar 2019 10:42:45 -0400 (EDT) |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36 |
Follow-up Comment #1, bug #56008 (project octave):
As a general answer, not a specific answer ( I don't know why it was done this
way). Fuzzy controllers are nonlinear controllers usually controlling
nonlinear processes, and in practice this approximate method works just fine.
Years ago we did not have as powerful CPUs and therefor the faster
approximations were used. Try implementing a fuzzy controller in a
microcontroller and you fill see that the faster method is desirable.
But like I said at the beginning, it is all non linear and perfect accuracy is
not needed.
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