Comments (3)
Thanks. I believe this is a missing point from the system identification scripts we opened here https://github.com/ethz-asl/mav_system_identification
The correct way will be to record a SysID bag file and do linear regression between IMU z acceleration (in global frame) and thrust_command. The linear regression output will be thrust offset and thrust coefficient.
I hope this helps. @inkyusa maybe you have something to add here regarding DJI platforms?
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Thanks. I believe this is a missing point from the system identification scripts we opened here https://github.com/ethz-asl/mav_system_identification
The correct way will be to record a SysID bag file and do linear regression between IMU z acceleration (in global frame) and thrust_command. The linear regression output will be thrust offset and thrust coefficient.
I hope this helps. @inkyusa maybe you have something to add here regarding DJI platforms?
Hi,
how could you map the thrust_command from joy command to %?
from mav_control_rw.
Thanks. I believe this is a missing point from the system identification scripts we opened here https://github.com/ethz-asl/mav_system_identification
The correct way will be to record a SysID bag file and do linear regression between IMU z acceleration (in global frame) and thrust_command. The linear regression output will be thrust offset and thrust coefficient.
I hope this helps. @inkyusa maybe you have something to add here regarding DJI platforms?
Could I use a controller instead to transform thrust (N) to throttle (%)?
For example:
throttle = throttle + kp ( accel_ref - accel_imu)
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