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Tanner
13-09-2009, 13:33
Hi all,

Does anyone know what is the maximum sampling rate for the analog ports on the driver station?

Cheers
-Tanner
EricVanWyk
13-09-2009, 14:21
Hi all,

Does anyone know what is the maximum sampling rate for the analog ports on the driver station?

Cheers
-Tanner

Although the hardware supports a higher sampling rate, the analog ports on the 2009 Driver Station have an effective sampling rate of 50Hz.
Tanner
13-09-2009, 19:53
Although the hardware supports a higher sampling rate, the analog ports on the 2009 Driver Station have an effective sampling rate of 50Hz.

Eh. That stinks. Drat.

Time to rethink things.

Thanks
-Tanner
EricVanWyk
13-09-2009, 20:36
What are you looking to do? Maybe we can come up with an alternate solution.
Tanner
14-09-2009, 18:29
What are you looking to do? Maybe we can come up with an alternate solution.

I'm just looking to analyze the frequency/amplitude of a waveform (somewhere from 500hz to 1500hz). Exact use is a secret, but that's all we really are "researching" at this moment.

I was thinking a Arduino would be sufficient, but I'm no electrical guy nor have I ever played with micro-controllers (trust me - I soldered once with our electrical guy, it confirmed we both should stay in our current job positions). :D

Though the Aruino community say it might not be the best way to do it on that platform (see here (http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1252882986/1#1)).

-Tanner
Joe Ross
15-09-2009, 11:58
I'm just looking to analyze the frequency/amplitude of a waveform (somewhere from 500hz to 1500hz). Exact use is a secret, but that's all we really are "researching" at this moment.

That sounds like a perfect use for LabVIEW with the cRIO. You can sample far faster then you need with the analog input module we are provided. LabVIEW has a vast array of filters and display mechanisms that should make the analysis easy.
Tanner
15-09-2009, 16:40
That sounds like a perfect use for LabVIEW with the cRIO. You can sample far faster then you need with the analog input module we are provided. LabVIEW has a vast array of filters and display mechanisms that should make the analysis easy.

Our idea prevents such a device being mounted on the robot, and has to be on the user control end.

Though we do have two cRIO's, but I thinking have a whole 'nother cRIO just to analyze a frequency/amplitude is overkill for user control. :D

-Tanner