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What is a NaN?!? Fail in my datalogs...

Posted by Max Becker on October 9, 2017 at 7:09pm

Just finished a new build with some parts I had on the shelf.  It's an APM 2.8 with an M8N GPS/compass module.  I did a quick test flight and it worked well in Stabilize mode, but didn't try Loiter.  When I reviewed the logs I got this error:  "FAIL - Found NaN in IMU.GyrZ".  I've searched all through the Internet and found nothing related to drones and NaN.  Can anyone help explain this to me?

Many thanks!

Max

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Replies

  • Max Becker October 10, 2017 at 9:13am
    Thanks for the link to the dictionary definition, but any explanation as to what it means with respect to the APM FC? Something that will help resolve?

    Thanks!

    Max
  • criro1999 October 10, 2017 at 7:34am

    https://en.wikipedia.org/wiki/NaN

    NaN
    In computing, NaN, standing for not a number, is a member of a numeric data type that can be interpreted as a value that is undefined or unrepresenta…
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