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Unread 02-02-2012, 23:16
SoyStuff SoyStuff is offline
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Re: Ultrasonic Sesnor Accuracy

Quote:
Originally Posted by Chris Hibner View Post
We took measurements every 6 inches. We wrote on a piece of paper the actual distance (measured via tape measure) and the voltage reading from LabVIEW. Put everything in an Excel spreadsheet, then use y = mx+b to find the best fit "m" (i.e. slope or scale factor) to make the data work best.
That's what we did, too. Unfortunately, it doesn't seem to be working. The sensor is just extremely inaccurate. Is it possible that there is something wrong with it, or that it was wired improperly?
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