how can i design fuzzy pid controller in labview to control the DC servo motor

[ssaara]

hi,

how can i design fuzzy pid controller in labview to control the DC servo motor , i have DAQ card type NI PCI 6251

and how can plot 2response in one graph (in real time ) since i change the gain of controller and observe the response again .

in other word i want to merge 2 plots for different gains in real time 

[BullDozier]

Hey Iraq,

When you ask about how to design Fuzzy logic controller through LabVIEW, do you mean with our Fuzzy Logic Toolkit or manually?  Typically customers use our motion cards instead of our DAQ cards to implement the fuzzy logic controller.

Within the Fuzzy Logic Toolkit, you can set up the controller.  From there you can load the controller and test the motion.  Let me know if you have questions about the fuzzy logic control toolkit.  Hopefully this helps you out some.  Let me know what else I can help with!

Take Care,

[Conseils]

Look here, this should enable you to understand and implement your own (or figure that the toolkit is or isn't worth it).....

http://en.wikipedia.org/wiki/Fuzzy_control_system

[ssaara]

i dont have any problem with fuzzy  control toolkit , but i need to  combine fuzzy controller with pid controller to generate fuzzy PID controller or fuzzy PD or fuzzy PI . I have pid control toolkit

[ssaara]

how can I  plot 2 response in one graph (in real time ) when i change the scalling gain of  fuzzy controller to observe the many responses

with defferent gain together in same plot .

[BullDozier]

Hey Ssaara,

There is a really good example to show you how you can manipulate charts in LabVIEW.  Search for charts.vi in the example finder.  This shows you how to display 2 plots on the same waveform chart.  I hope this helps you out.  Take care.

Thanks,

[kellis.wiseman]

hey ssaara,

did you ever find a solution to this issue? 

~kgarrett