Hi! A coworker and I have been testing two drones with PX4 and we have experienced some problems with EKF warnings, vibrations and height divergence and after testing multiple options it’s still not clear to us why it’s failing. Problem description When the drone is flying and a “big movement” is c…

Hi @Mohannad , Yes, in this case I managed to get rid of the problem but it took me a lot of time and effort to realize what it could be. As in the link you provided, in my case vibration levels were in the yellow and red zone all the time and I couldn’t get them lower. No cables were touching the …

Thank you very much for your answer. Vibration is really a big thing. In my case, the main cause was that the drone parts were fixed with Rivets. However, it is not 100% fixed. Therefore, i tried to glue the parts first and then use the Rivets. The vibration in both drones “Tarot x4” and “Tarot I…

Yeah you really got to chase those vibrations. They mess up all the sensors. A typical 5" racer is way below the yellow all the time if it’s properly built. ,)

EKF filter fault warning and problems during flights

Flight Testing & Log Analysis

Mohannad September 27, 2023, 1:54pm 2

Hi antonio-sc66,

i experienced the same issue and kuchenesser told me to to use only one IMU as a solution.

Do you know more now about this topic?

Best regards

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EKF filter fault warning and problems during flights

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