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PID control

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Hi, how do initial gains in pid fpga express vi differ with gains in front panel control? where should I assign pid gains achieved from tuning pid to implement pid controller on fpga target?

Thanks!

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Hey ThuZarAung,

 

Here are some useful documents about the different PID VIs. I would suggest going through these first.

 

PID (FPGA) Express VI

 

PID VI (FPGA Module, not express VI)

 

PID VI (not FPGA)

 

Using PID on FPGA Targets

 

LabVIEWTM PID Control Toolkit User Manual (Chapter 3 discusses the different PID VIs)

 

These should answer most of your questions regarding the differences between them. On a side note, you should not create multiple posts for the same question. If you have additional questions concerning the PID VIs after going through the material above, then please respond on this post.

 

Regards,

 

Alyssa H.

National Instruments

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okay! Thank for your valuable suggestion.

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Hi,

I don't still understand pid gains in front panel and gains in configuration box. I attached example vi. Please reply me!Smiley Happy

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ThuZarAung,

 

What specifically do you not understand? Also, the VI you attached has a lot of dependencies and missing SubVIs which makes it difficult to troubleshoot. 

 

Regards,

Alyssa H.

National Instruments

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