Building a PID Controller with LabVIEW and USB Data Acquisition Hardware

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Uploaded by on May 14, 2009

Watch Dave build a custom PID controller with LabVIEW, using his laptop and USB data acquisition hardware.
You can download the code from
http://decibel.ni.com/content/docs/DOC-8355

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Uploader Comments (FlexRIO)

  • I can't add the VI to my project, does anyone else have this problem? I right-click, choose "Select a VI" and select "simple-pid.vi" and nothing happens, not even an error..

  • @OndKrokus Hello. If you right-click on the block diagram and choose "Select a VI", you should be able to drop the "simple-pid.vi" sub-VI onto the block diagram and wire it up. It's possible you might need a newer version of LabVIEW.

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All Comments (35)

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  • nice video

  • What power transistor is used?

  • what is the transfer function of the system?

  • @sheerazdarkshadows Hello. 6211 application code is still up, so I'm not sure why it's not loading for you.  Have you tried again recently? The link in the description section of this video seems to work fine.

  • @FlexRIO i Cannot access 6211 application code. When I click on it, the page says 'Unable to load the web page because the server sent no data'. Have you deleted this code now?

  • Hi Dave,

    i was just wondering if there is code for this PID controller compatable with Labview version 8.5 because i followed the link above for the code and could not open it because i only have version 8.5. regards.

  • How do you control batteries (if that is constant power supply, I assume 2x 1.5V), what kind of power transistor is that you using?

    Thank you

    Joe

  • Hey how do you connect Op Amp to the the power supply and motor? Do we need extra resistors (i didn't see in the video)? Can you give me the circuitry ?

  • Hi, nice project, but what kind of sensor you were using and how did u place it?? -any schematic would be helpful- because I'm trying to do the same using an LDR and a red led as a light source but I'm not sure about how to put all together. thanks

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