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Implementing fuzzy logic in PIC18f4431 microcontroller using C language

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raju jaina

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Hi..

I would like to know how to write a fuzzy logic based C program for PIC18F4431 microcontroller ?
I am using MPLAB IDE for programming the PIC18F4431 microcontroller and i am using mplab-C18 compiler with it. My project is to control speed of BLDC motor using fuzzy logic.
So, Any sample examples will be helpful for my project ..

Thank you..
 
Last edited:

for example a linguistic variable positive big can be calculated as- 

Code C - [expand]
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char Error_ Positive Big (int  CRISP) 
                         { 
                            if (CRISP < 0.4) 
                                 return(0); 
                           else 
                                { 
                                   if (CRISP >= 0.4)  
                                      return(CRISP * 2.5); 
                                  else 
                                       { 
                                         return(1);  
                          }}          }
 
Last edited by a moderator:

May i know , how to define membership functions in C language ? because this is the first step for fuzzy logic implementation ...


hridz said:
for example a linguistic variable positive big can be calculated as-

char Error_ Positive Big (int CRISP)
{
if (CRISP < 0.4)
return(0);
else
{
if (CRISP >= 0.4)
return(CRISP * 2.5);
else
{
return(1);
}} }
Click to expand...
 

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