diff --git a/umi_gripper/README.md b/umi_gripper/README.md index 87f3300..43267b2 100644 --- a/umi_gripper/README.md +++ b/umi_gripper/README.md @@ -4,33 +4,24 @@ ### Overview -This package contains a simplified robot description (MJCF) of the [Universal Manipulation Interface (UMI) Gripper](http://umi-gripper.github.io/). It is derived from the publicly available [CAD model](https://docs.google.com/document/d/1TPYwV9sNVPAi0ZlAupDMkXZ4CA1hsZx7YDMSmcEy6EU/edit?tab=t.0). +This package contains a simplified robot description (MJCF) of the [Universal Manipulation Interface (UMI) Gripper](http://umi-gripper.github.io/). It is derived from the publicly available gripper [model](https://docs.google.com/document/d/1TPYwV9sNVPAi0ZlAupDMkXZ4CA1hsZx7YDMSmcEy6EU/edit?tab=t.0). -[URDF description](https://github.com/pal-robotics/talos_robot/tree/kinetic-devel/talos_description).

+### SOLIDWORKS -> URDF -> MJCF derivation step -### -> URDF derivation step - -1. - -### URDF -> MJCF derivation step - -1. Added ` ` to the URDF's ``clause in order to preserve visual geometries. -2. Loaded the URDF into MuJoCo and saved a corresponding MJCF. -3. Updated the `` tag in the MJCF to specify `meshdir="assets/"` and `texturedir="assets/"` for correct asset loading. +1. Converted the the CAD model provided [(here)](https://docs.google.com/document/d/1TPYwV9sNVPAi0ZlAupDMkXZ4CA1hsZx7YDMSmcEy6EU/edit?tab=t.0) to the URDF format using [this](http://wiki.ros.org/sw_urdf_exporter) SolidWorks add-in. +2. Added ` ` to the URDF's + `` clause in order to preserve visual geometries. +3. Loaded the URDF into MuJoCo and saved a corresponding MJCF. 4. Added materials and textures for the mirrors and ArUco markers (`right_aruco_sticker.png`, `left_aruco_sticker.png`). 5. Created a `` section to define common properties for joints, actuators, and geoms. 6. Added two mirror geoms (`left_mirror`, `right_mirror`) with reflective materials for enhanced visual effects. -7. Defined left and right finger holders with appropriate inertial properties and joints (`finger_left_joint`, `finger_right_joint`). -8. Introduced a `` section with a fixed tendon named split to synchronize the movement of both fingers. -9. Added position-controlled actuators for the fingers and gripper joints. -10. Tuned contact parameters by setting `impratio="10"` for better non-slip interaction. +7. Added a `` section with a fixed tendon named split to synchronize the movement of both fingers. +8. Added position-controlled actuators for the fingers joints (tuned `impratio="10"` for better non-slip interaction). +9. Added slide joints for controlling the gripper's movement along the X, Y, and Z axes. +10. Added hinge joints for controlling the rotation around the X, Y, and Z axes. 11. Added `scene.xml` which includes the robot, with a textured groundplane, skybox, and haze. - -### License - -This model is released under an [Apache-2.0 License](LICENSE).