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Unread 12-11-2014, 09:07
Aren Siekmeier's Avatar
Aren Siekmeier Aren Siekmeier is offline
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FRC #2175 (The Fighting Calculators)
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Re: battery voltage vs current

Quote:
Originally Posted by Gdeaver View Post
Ether,
Will this data help?
http://www.chiefdelphi.com/forums/at...3&d=1412564839
Provided by Joe Ross In the NI-rio beta thread. An example of next year's data logging ability.
For funsies, here's a quick plot of battery voltage vs. total current draw from that match. It approximately shows the relationship we're expecting. It also shows just how approximate the data is ... Linear fit included.


http://i.imgur.com/NGsKe5F.png

To get a nice looking curve, you'll need a much more controlled test configuration, but this is worth something.