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IMU calibration #125

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opened 2021-05-04 00:51:59 +02:00 by pettni · 0 comments
pettni commented 2021-05-04 00:51:59 +02:00 (Migrated from github.com)
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Hello,

Apologies if this information exists somewhere; I have not been able to locate it.

I would like to know more about the accuracy of the Horizon IMU readings, and what (if any) measurement biases that can be expected.

  • Is any IMU calibration done before shipping? If so, could you share some details?
  • What accuracy can be expected for the rotational alignment of the lidar frame and the IMU frame?
  • Is the outputted data cleared from the typical IMU sensor errors (bias, scale, cross axis, acceleration influence on the gyro, etc) or does the user have to account for those?
  • If so, could you share a mathematical model that models these biases and/or some best practices regarding calibration of the horizon IMU?

Many thanks,
Petter

Hello, Apologies if this information exists somewhere; I have not been able to locate it. I would like to know more about the accuracy of the Horizon IMU readings, and what (if any) measurement biases that can be expected. - Is any IMU calibration done before shipping? If so, could you share some details? - What accuracy can be expected for the rotational alignment of the lidar frame and the IMU frame? - Is the outputted data cleared from the typical IMU sensor errors (bias, scale, cross axis, acceleration influence on the gyro, etc) or does the user have to account for those? - If so, could you share a mathematical model that models these biases and/or some best practices regarding calibration of the horizon IMU? Many thanks, Petter
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Reference: mmr/Livox-SDK#125
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