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    Calibrate IMU RB5

    Qualcomm Flight RB5 5G Drone
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    • V
      vjuliani
      last edited by 26 Feb 2024, 18:55

      Hi,

      Is there a way to calibrate RB5 IMU sensors without QGC? Or using QGC is the only way?

      I am constantly having calibration problems after a few flights, such as "High Accelerometer Bias". When it happens, I try to calibrate accelerometer again, but after doing that, the calibration gets inconsistent, sometimes the drone works fine, sometimes it loses control mid flight.

      Also, it usually happens after the drone stayed in the sun for 10-15 minutes. Is it possible to be a temperature problem?

      This is the voxl-version:

      image.png

      I can't use IMU server to do a temperature and IMU calibration because RB5 has only imu_px4, right? So, using QGC is the only way to calibrate imu_px4?

      M 1 Reply Last reply 27 Feb 2024, 16:15 Reply Quote 0
      • M
        Moderator ModalAI Team @vjuliani
        last edited by 27 Feb 2024, 16:15

        @vjuliani Your build is really old, can you please update the software? https://docs.modalai.com/Qualcomm-Flight-RB5-system-image/

        V 1 Reply Last reply 27 Feb 2024, 19:28 Reply Quote 0
        • V
          vjuliani @Moderator
          last edited by 27 Feb 2024, 19:28

          @Moderator, thanks for your reply.

          We can update the software.

          Do you think the new software version should solve the issue?

          V 1 Reply Last reply 28 Feb 2024, 12:32 Reply Quote 0
          • V
            vjuliani @vjuliani
            last edited by 28 Feb 2024, 12:32

            @Moderator

            Does this new build also updates the firmware version of the Quectel Board?

            Currently we are using this version:
            image.png

            Do you recommend a update on this?

            T 1 Reply Last reply 28 Feb 2024, 18:22 Reply Quote 0
            • T
              tom admin @vjuliani
              last edited by 28 Feb 2024, 18:22

              @vjuliani We don't currently touch the firmware on the Quectel board

              1 Reply Last reply Reply Quote 0
              • V
                vjuliani
                last edited by 13 Mar 2024, 19:48

                Ok, thanks @tom.

                We didn't upgrade the build yet.

                In relation to the problem, we did some flights and experienced it again.

                Below are the flight logs, you can use: https://logs.px4.io/upload to visualize them.:

                https://www.mediafire.com/folder/74yd2f8tdnjqq/RB5_flight_logs

                Can you find any indicators of the problem in the logs, such as high temperature, for example?

                T 1 Reply Last reply 13 Mar 2024, 20:21 Reply Quote 0
                • V
                  vjuliani
                  last edited by 13 Mar 2024, 19:54

                  In the flight with problem, we performed sensors calibrations using QGC.

                  The flight with no problem happened a couple of hours after the first flight with problem and no calibration was performed.

                  1 Reply Last reply Reply Quote 0
                  • T
                    tom admin @vjuliani
                    last edited by 13 Mar 2024, 20:21

                    @vjuliani Can you open a new thread for this issue so our whole team gets eyes on it?

                    V 1 Reply Last reply 13 Mar 2024, 21:43 Reply Quote 0
                    • V
                      vjuliani @tom
                      last edited by 13 Mar 2024, 21:43

                      Yes, @tom.

                      Thank you

                      1 Reply Last reply Reply Quote 0
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