Hello Robot Stretch 2 Description (MJCF)
Requires MuJoCo 3.3.0 or later.
Overview
This package contains a simplified robot description (MJCF) of the Hello Robot Stretch 2 developed by Hello Robot. The original URDF and assets were provided directly by Hello Robot under the Clear BSD License.
URDF → MJCF derivation steps
- Processed
.obj
files withobj2mjcf
. - Added
<mujoco> <compiler discardvisual="false" fusestatic="false" balanceinertia="true"/> </mujoco>
to the URDF's<robot>
clause in order to preserve visual geometries. - Loaded the URDF into MuJoCo and saved a corresponding MJCF.
- Manually edited the MJCF to extract common properties into the
<default>
section. - Added actuators.
- Added clauses to prevent collisions in the telescoping arm.
- Added
scene.xml
which includes the robot, with a textured groundplane, skybox, and haze.
License
This model is released under a Clear BSD License.
Acknowledgement
This model would not be possible without the help and patience of Binit Shah.