OPENCORES.ORG

I have a PID implementation but not in VHDL. It is in PIC assembly. PID
is not that difficult though to implement. I would even be interested in
working with the PID VHDL.

Take a look at http://www.colinmackenzie.net, my digital servo
controllers with PID control are shown there on the first page. If you
want to see the PID code drop me an email (personally, not on oc) and I
will forward my code to you.

Colin

-----Original Message-----
From: Hunt, Adam [mailto:ahunt@s...] 
Sent: Saturday, December 20, 2003 7:01 AM
To: OpenCores (E-mail)
Subject: [oc] PID implementation

I was wondering if there was anyone out there that had an implementation
of a PID control loop in Verilog or VHDL.  I am interested in it for a
small motion control project of mine (personal not work or school).  I
would like to see Open Cores gain a PID controller and eventually give
it a proper Wishbone interface.

If you don't know what PID is take a look at
http://www.motionvillage.com/training/handbook/resources/2000_08_pid_pos
_loops.pdf for a brief introduction and block diagram.

Thanks in advance.

Adam

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