Fallen at the first hurdle - tiny / empty log files

Info and discussion about the original AQ v6 flight controller

Re: Fallen at the first hurdle - tiny / empty log files

Postby hogster » Fri Mar 07, 2014 11:12 am

Hmmm this was the result of the last freeze attempt with the board in the same orientation as it was for the first run and the results look almost exactly the same. Not much else I can do other than pack the board with more foam?

Many thanks, David
Attachments
static 1 rate zoom.png
Gyro data, static freeze 1 for comparison
static 3 rate.png
Gyro data, static freeze 3 (same board orientation as freeze 1)
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Re: Fallen at the first hurdle - tiny / empty log files

Postby hogster » Fri Mar 07, 2014 1:39 pm

Glitch appears at the same time / temperature with the board mounted level too :?

This is the 4th time a glitch has appeared around 170.000 which equates to 22 to 24°C ... maybe it's an inherent bug in the sensors? I think I'll start a new thread for this issue, as it's not really related to my original problem of getting empty log files ...

Any thoughts are still most welcome :)

David
Attachments
static 4 rate.png
Gyro data, static freeze 4 (board level)
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Re: Fallen at the first hurdle - tiny / empty log files

Postby chschmid » Fri Mar 07, 2014 3:09 pm

To me it looks like a sensor characteristic. Cal will eliminate this.

Cheers
Christof
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Re: Fallen at the first hurdle - tiny / empty log files

Postby hogster » Fri Mar 07, 2014 3:16 pm

Hi Christof, yes that's what I thought too. I'm doing one more logging test now, but I imagine it will produce much the same values. It's interesting that the glitch doesn't always affect the blue line, and never seems to affect the red line ...

Cheers! David :)
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Re: Fallen at the first hurdle - tiny / empty log files

Postby JussiH » Mon Mar 10, 2014 11:50 am

David,

I have calibrated boards that show these glitches without incident.
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Re: Fallen at the first hurdle - tiny / empty log files

Postby hogster » Mon Mar 10, 2014 8:49 pm

Thanks for the confirmation Jussi, that's good to hear :)

David
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