PRANSH RANA
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  • new delhi
  • India
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Quad gaining altitude and not Returning to Launch site in LAND and RTL mode

Started this discussion. Last reply by PRANSH RANA Feb 26, 2017. 3 Replies

I have been practicing Auto-mission using Pixhawk, Arducopter firmware and mission planner from quite some time. In the last flight, however, in an attempt to check the failsafe, it was observed that…Continue

Tags: rtl, quadcopter, land, althold, pixhawk

 

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PRANSH RANA replied to PRANSH RANA's discussion Quad gaining altitude and not Returning to Launch site in LAND and RTL mode
"Hi .  Did the same thing eventually. Used new balanced props , isolated the autopilot using a 2 tier anti-vibration mount and tightened the loose arms . Carried out a few tests and the z vibrations are gone . Haven't faced…"
Feb 26, 2017
Andre K. replied to PRANSH RANA's discussion Quad gaining altitude and not Returning to Launch site in LAND and RTL mode
"Z vibrations were way too high now-and-then during the flight, looks like something is unbalanced/loose and starts to resonate. The last 12 seconds have absolutely crazy vibrations , plot IMU.AccX,Y,Z  , most likely something fell apart…"
Feb 25, 2017
Michael Burmeister replied to PRANSH RANA's discussion Quad gaining altitude and not Returning to Launch site in LAND and RTL mode
"In cases where the copter climbs out of control it is due to Vibrations.  That is the case in your flight as well. The thing about vibrations is that wind at the right direction can increase them or sudden changes in motor speed. Since the unit…"
Feb 19, 2017
PRANSH RANA posted a discussion

Quad gaining altitude and not Returning to Launch site in LAND and RTL mode

I have been practicing Auto-mission using Pixhawk, Arducopter firmware and mission planner from quite some time. In the last flight, however, in an attempt to check the failsafe, it was observed that the quad started gaining altitude even after entering the RTL and later LAND mode. The quad started drifting away from the launch site ultimately leading to a crash. A discrepancy was observed in the value of RC3 in and RC3 out channel values also. The logs made on autopilot happen o have stopped…See More
Feb 19, 2017

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About Me:
a college student
Please tell us a bit about your UAV interest
i am an active member of a tech team of a deemed university which makes various types of uavs for research purposes
Hometown:
dhulal

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