7 FAQ

Q: Running the example reports: “Package ‘examples’ not found”

• Refer to Environment installation and configuration and Run an Example Program to confirm AimDK has been successfully built and sourced.

Q: Example build failed

• If colcon is not found, ensure ROS is installed correctly and sourced properly.

• Check build error logs; if libraries are missing, verify dependency installation.

• Clear build caches and retry.

Q: After connecting via Ethernet, the examples show no response?

• Try running ros2 topic list and ros2 topic echo topic_name (replace topic_name with the actual topic) to check system status.

• Preset motions require the robot to be in the Stable Standing Mode.

• For TTS/audio playback issues, check the following:

  • 1. Whether the volume is muted, and whether the TTS text or audio format meets interface requirements.

  • 2. Verify that the X2 built-in voice interaction system is not disabled.

Q: There is no response when I directly control the motor

If you are controlling the HAL layer directly, the MC module must be stopped.

• Use aima em stop-app mc to stop the MC module.

• Restart your program afterward.

Q: When switching to Stand-Ready (Position-Control Standing) mode, the legs don’t respond and the arms move slowly

• Low battery may prevent power delivery to the legs; replace with a sufficiently charged battery.

Q: Robot service calls have no response

• Verify that all service request fields are correctly set.

Q: Error when using cv_bridge on the robot (Assertion failed: s >= 0 in function 'setSize')

• Check the OpenCV version used during compilation:
  The robot environment includes both Nvidia-supplied OpenCV and Ubuntu repository OpenCV.
  When using cv_bridge, you must link against the Ubuntu-sourced OpenCV.