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What's the difference between DesRoll and RC1

Posted by Kyomo Jung on April 23, 2015 at 7:57pm

FW : Arduplane 3.2.3

FC : Pixhawk 3DR genuine

I did maiden flight of skywalker x8 successfully but I found something wiered from log.

The below log shows pitch and Alt went well but DesPitch was 0 for a while. Even more the same to DesRoll too.

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In second flight,  X8 was crashed just after taking off with reaching about 50m height. With second crashed log file, I found 0 value DesPitch and DesRoll for all the short flight.

It'll be very appreciated if someone could tell me what the Des* are

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Replies

  • Tom Mahood April 23, 2015 at 9:52pm

    I think, but am not certain, that a Desired Roll output only occurs during autonomous flight modes. These would be the modes where the Pixhawk has full control of the roll.It's been my experience that Desired Roll is always recorded as zero when I'm flying either Manual or Stabilize. What flight mode were you in during your crash flight?

    http://roll.It/
    • Kyomo Jung > Tom Mahood April 24, 2015 at 6:05am

      Thanks Tom, it was in Stable mode when crashed. 

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