Comments (1)
Hi @breakds,
Yes, I've noticed the same thing. There are a few ways to fix it; I think many production-quality systems add at least one of these:
- If the drift is constant, tune a small constant velocity correction that corrects it and always add this to the command.
- Make the robot stand still with all four feet on the ground when the command is small enough. If the robot is standing instead of trotting, it's much easier not to drift.
- Implement a velocity estimator that uses either the IMU or the optical flow from a camera. Then use this to compute a velocity correction based on the error from the commanded velocity.
-Gabe
from walk-these-ways.
Related Issues (20)
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from walk-these-ways.