Build 4.0.0 (219) - Kernel 4.0.0 on iOS and EVO II V2 Drone Experience

Emmanuel Otchere
Test drive experience of Beta 4.0.0(219) using Autel Evo II Drones
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9 comments

  • Comment author
    Emmanuel Otchere

    Tried beta 419 on Evo II (8K) v2, and experience are as follows:
    1) App connection to drone was erratic. At first won’t connect, even though App would connect. Had to start and stop App several times before eventually connecting. I’ll use a different cable to see if this was the cause. 2) Drone tarted mission this time, compared to 218 where it only hovered at takeof height. So mission execution started successfully.
    3) During the mission drone had a successful battery change event.
    4) Following the battery change was able to resume the mission, but on resuming, drone got stuck at one of the way points. Drone behavior was as though it wasn’t clear which direction to go. It simply started turning in circles, with no compass error, no magnetic interference and no attempt to use the sticks manually during the flight. Eventually had to abort.

    Any ideas? At least this is a feedback. I hope to do another test tomorrow of the same mission.

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  • Comment author
    Martin Reading Dronelink Expert Dronelink Expert

    4) Following the battery change was able to resume the mission, but on resuming, drone got stuck at one of the way points. Drone behavior was as though it wasn’t clear which direction to go. It simply started turning in circles, with no compass error, no magnetic interference and no attempt to use the sticks manually during the flight. Eventually had to abort. 

    Can you share the mission an d let us know at which point this happened

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  • Comment author
    Taylor Dronelink Staff

    Thanks for reporting your findings to us. Please share your mission and we'll test it as well. You can also see if adding 5 more feet the achievement distance will help fix the issue. We suspect it's the low accuracy of GPS chips Autel uses on these drones, but we're still investigating.

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  • Comment author
    Emmanuel Otchere

    Here is the mission: https://app.dronelink.com/emmanuel-otchere/songshan-lake/plan/sXkv1m2MxTDutDm8o08q/eeP35YIhYFBgJsyiGaw1

    I plan to resume the flight today, after it hovered in that position until battery low warning. I'll report back.  

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  • Comment author
    Taylor Dronelink Staff

    Awesome, thanks!

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  • Comment author
    Emmanuel Otchere

    Hi folks, I just did another test with the Evo II (V2) in another location, and the drone continues the erratic behavior (forgot to record the screen). On a second attempt, same happened. This is a link to an unlisted youtube video to share with the team: https://www.youtube.com/watch?app=desktop&v=Z-dKAhohypQ and I've also included the mission link here. https://app.dronelink.com/emmanuel-otchere/songshan-lake/plan/NLLZK364gakxCaA1D7TJ/8ecSHGof4vsLYR9pWr2T

    Please note that the video is unlisted/publicly known. Using youtube only as a measn to share the screen recording of the mobile and help to debug this... assuming that the logs may not provide an adequate view of the experience. Also to be sure I could remove some of the parameters in the equation for the sake of debugging this trend, I tried a mission in the Autel App in order to remove possible factors such as cable, controller, or the drone itself. On the Autel App drone worked flawlessly with the mission.  

    If the video is not necessary for future reports, please let me know. 

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  • Comment author
    Emmanuel Otchere

    Update for todays tests...App on iOS still behaves erratic with connecting to EVO II (8k) v2 drone. I'll try with 6K tomorrow, but it's clear there is no difference between both drones, except for the payload so am not expecting magic.

    Have to restart the Dronelink App several times before sometimes it connects. And when it connects, mission is either not run, or aircraft behavior sporadically in the air... either turning around on a sport in circles or going back and forth at a spot.

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  • Comment author
    Jim McAndrew Dronelink Staff

    Are all your settings correct? Learn more

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  • Comment author
    Emmanuel Otchere

    All settings are to my knowledge correct. I followed the recommended Autel EvoII preparatory steps posted by DL.

    The behavior of the v2 Drone when using DroneLink is at least unpredictable.

    By the way i owned a v1 in the past and comparatively, it's like having completely different "animals". 

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