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Brest, Brittany


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ArduPilot


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Brest


Activity Feed

Fabrice LE BARS replied to Fabrice LE BARS's discussion Land activation at around 1 m of altitude sent the quadrotor at 4.6 m (unexpected CTUN.DAlt)
"To be more clear : it appears that during AltHold with throttle to the min, the drone descended a little bit but it was not noticeable during the flight. In addition, neither Guided waypoints nor RTL made the drone come to the expected position and…"
Aug 14, 2017
Fabrice LE BARS replied to Fabrice LE BARS's discussion Land activation at around 1 m of altitude sent the quadrotor at 4.6 m (unexpected CTUN.DAlt)
"We got another similar behavior with an hexacopter climbing outside in Land mode (as well as RTL, AltHold with throttle set to the min, only Stabilize make it fall, see attachment), but I think now I know why.
In this flight, we had 2 propellers…"
Aug 14, 2017
Fabrice LE BARS replied to Fabrice LE BARS's discussion Land activation at around 1 m of altitude sent the quadrotor at 4.6 m (unexpected CTUN.DAlt)
"Thank you, indeed, our RTL_ALT value was set to a dangerous value for our indoor environment, we definitely need to add that to our check-list.
However, the documentation of the LAND mode do not specify that this value is used, and in our case it…"
May 31, 2017
Fabrice LE BARS replied to Fabrice LE BARS's discussion Land activation at around 1 m of altitude sent the quadrotor at 4.6 m (unexpected CTUN.DAlt)
"Here is a screenshot that shows what happenned, where we see that the quadrotor tried to go to 4.6 m of altitude because of the CTUN.DAlt value."
May 26, 2017
Fabrice LE BARS posted a discussion
Hello everyone,While flying inside with a quadrotor with an HKPilot32 running ArduCopter V3.6-dev (why a dev version was used is another discussion...) and equipped with a LIDAR-Lite 3 and a disabled GPS, the quadrotor hit the roof (battery…
May 26, 2017