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Inconsistent VIO Pose

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  • S Offline
    S Offline
    SMRazaRizvi
    Regular
    wrote on last edited by SMRazaRizvi
    #1

    Problem: My Sentinel drone with VOXL SDK 1.0, is not giving me a correct VIO pose.

    I recently upgraded my VOXL SDK to 1.0 on the Sentinel drone, and performed all the necessary calibrations, including the IMU calibration in QGC.
    While everything else is set by default in the system image flashing, and the QVIO overlay appears to be detecting and tracking the features from the tracking camera, my VIO pose appears to be incorrect when I move the drone.

    This is the behavior I detected on the VIO pose:

    1. The VIO pose resets when I move the drone, so its not consistent
    2. The values are not coherent with the actual movement. (I moved the drone 1m in +x axis, and the output pose was not reflecting this)

    How should I solve this?

    ModeratorM 1 Reply Last reply
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    • S SMRazaRizvi

      Problem: My Sentinel drone with VOXL SDK 1.0, is not giving me a correct VIO pose.

      I recently upgraded my VOXL SDK to 1.0 on the Sentinel drone, and performed all the necessary calibrations, including the IMU calibration in QGC.
      While everything else is set by default in the system image flashing, and the QVIO overlay appears to be detecting and tracking the features from the tracking camera, my VIO pose appears to be incorrect when I move the drone.

      This is the behavior I detected on the VIO pose:

      1. The VIO pose resets when I move the drone, so its not consistent
      2. The values are not coherent with the actual movement. (I moved the drone 1m in +x axis, and the output pose was not reflecting this)

      How should I solve this?

      ModeratorM Offline
      ModeratorM Offline
      Moderator
      ModalAI Team
      wrote on last edited by
      #2

      @SMRazaRizvi that implies your extrinsic calibrations are incorrect. There should be default for Sentinel being used unless you modified the orientation of the sensors in some way

      Link Preview Image
      Configure Extrinsics

      ModalAI technical documentation for VOXL and VOXL 2 Companion Computers for PX4 and ArduPilot Obstacle Avoidance and GPS-denied navigation, assembled in the USA

      favicon

      ModalAI Technical Docs (docs.modalai.com)

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      • ModeratorM Moderator

        @SMRazaRizvi that implies your extrinsic calibrations are incorrect. There should be default for Sentinel being used unless you modified the orientation of the sensors in some way

        Link Preview Image
        Configure Extrinsics

        ModalAI technical documentation for VOXL and VOXL 2 Companion Computers for PX4 and ArduPilot Obstacle Avoidance and GPS-denied navigation, assembled in the USA

        favicon

        ModalAI Technical Docs (docs.modalai.com)

        S Offline
        S Offline
        SMRazaRizvi
        Regular
        wrote on last edited by
        #3

        @Moderator I am using the default extrinsics.

        Apparently, that is the behavior when the drone is not flying. But when it is, the VIO seems to be working fine.

        Is this the default behavior? if not, what should I change?

        ModeratorM 1 Reply Last reply
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        • S SMRazaRizvi

          @Moderator I am using the default extrinsics.

          Apparently, that is the behavior when the drone is not flying. But when it is, the VIO seems to be working fine.

          Is this the default behavior? if not, what should I change?

          ModeratorM Offline
          ModeratorM Offline
          Moderator
          ModalAI Team
          wrote on last edited by
          #4

          @SMRazaRizvi of course the VIO pose should be correct when you move the drone. can you screen capture the qvio overlay to demonstrate your issue?

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