# IMU real-time correction still struggles: quadruped robot Quaddle wobbles while walking on gravel

- Source: Reddit r/robotics
- Published: 2026-10-14T23:13:58.000Z
- RoboHot: https://robohot.news/en/items/m39e8gwixqqiez3cjzfxqei2l
- Original: https://www.reddit.com/r/robotics/comments/1x662rr/imu_tried_to_keep_a_robot_dog_upright_walking_on/

## Summary

When the quadruped robot Quaddle walks on gravel, its IMU (gyroscope plus accelerometer) attempts real-time correction of deviations caused by uneven ground, but the robot dog still begins to sway; loose gravel poses a major challenge to quadruped balance. The author also asks readers what other terrains Quaddle should try.