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PID algorithm in pic microcontroller

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--BawA--

--BawA--

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hey, i want to implement PID algorithm to keep the output of DC DC converter stable, i am using PIC mcu . i use mikroc for coding. i know the fundamentals of PID algo ,but didn't know how to code the PID in C language. my refrence voltage is 3v and the dynamic voltage may vary from 1 to 4 v. according to the the dynamic voltage , i have to set a dutycycle such that the dynamic voltage should be equal to 3v, an anyone tell me a sample code or algo to proceed?
 

PID is simply multiplications and additions. In a digital system it's a little more complicated because you need to convert your continuous function to a discrete-time one. There's lots of stuff on the web, I mean LOTS, about how to do this.
 

thanx barry ,i have searched web alot but didn't find any c code. can u give me any link where i can find some sample code of PID written in C language?
 

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