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I made a new code for testing. It contains only the PID modul and the dac modul for Digilent PMOD-DA2 (I use the official code from the website).
Here is the code of the PID:
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.NUMERIC_STD.ALL;
library ieee_proposed;
use...
Thanks for the reply in the test condition the error signal is constant. That means the integer of this constant will increase with time. Of course I can't let to increase infinitly that is why I use max value. Like in analog way the output of the opa is limited by the voltage supply. I can't...
Hello Everybody,
I made a PID controller modul in VHDL, but I have a problem with the integral part. I'm using sfixed datatype. The problem is with this part:
if(I>MAX_Range) then I<=MAX_Range;
elsif(I<MIN_Range) then I<=MIN_Range;
else I<=resize(Ki*error+I,16,-4);
end if;
All of the...
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