{ "schema_version": "1.0", "id": "turtlebot3_burger", "name": "ROBOTIS TurtleBot3 Burger", "footprint": { "type": "polygon", "points": [ [ 0.0332, -0.0881 ], [ 0.0322, -0.0711 ], [ 0.0142, -0.0711 ], [ 0.0112, -0.0691 ], [ 0.0112, -0.0631 ], [ 0.0172, -0.0511 ], [ 0.0322, -0.0421 ], [ 0.0322, -0.0311 ], [ 0.0372, -0.0261 ], [ 0.0352, -0.0161 ], [ 0.0372, -0.0141 ], [ 0.0372, -0.0101 ], [ 0.0322, -0.0051 ], [ 0.0322, 0.0049 ], [ 0.0372, 0.0099 ], [ 0.0352, 0.0199 ], [ 0.0372, 0.0219 ], [ 0.0372, 0.0259 ], [ 0.0322, 0.0309 ], [ 0.0322, 0.0419 ], [ 0.0172, 0.0509 ], [ 0.0112, 0.0629 ], [ 0.0112, 0.0689 ], [ 0.0142, 0.0709 ], [ 0.0332, 0.0719 ], [ 0.0322, 0.0889 ], [ -0.0328, 0.0889 ], [ -0.0338, 0.0689 ], [ -0.0378, 0.0669 ], [ -0.0458, 0.0689 ], [ -0.0508, 0.0669 ], [ -0.0538, 0.0689 ], [ -0.0578, 0.0689 ], [ -0.0638, 0.0639 ], [ -0.0728, 0.0639 ], [ -0.0758, 0.0619 ], [ -0.0828, 0.0489 ], [ -0.0958, 0.0419 ], [ -0.0958, 0.0309 ], [ -0.1008, 0.0259 ], [ -0.0988, 0.0169 ], [ -0.1008, 0.0139 ], [ -0.1008, 0.0099 ], [ -0.0958, 0.0049 ], [ -0.0958, -0.0051 ], [ -0.1008, -0.0101 ], [ -0.0988, -0.0191 ], [ -0.1008, -0.0221 ], [ -0.1008, -0.0261 ], [ -0.0958, -0.0311 ], [ -0.0958, -0.0421 ], [ -0.0828, -0.0491 ], [ -0.0758, -0.0621 ], [ -0.0728, -0.0641 ], [ -0.0638, -0.0641 ], [ -0.0578, -0.0691 ], [ -0.0488, -0.0671 ], [ -0.0458, -0.0691 ], [ -0.0418, -0.0691 ], [ -0.0378, -0.0671 ], [ -0.0338, -0.0691 ], [ -0.0328, -0.0891 ] ] }, "height": 0.192, "height_class": "h36", "drive": "differential", "limits": { "v_max": 0.22, "v_min": -0.22, "vy_max": 0.0, "w_max": 2.84 }, "lidar": { "model": "ROBOTIS LDS-02", "range_min": 0.16, "range_max": 8.0, "fov": 6.2832, "beams": 360 }, "sources": { "footprint": { "kind": "official", "url": "https://github.com/ROBOTIS-GIT/turtlebot3/blob/humble/turtlebot3_description/urdf/turtlebot3_burger.urdf", "method": "every visual geometry of the URDF (joints = 0) projected onto the floor of frame 'base_footprint' at 1 mm, outer outline, simplified to 1 mm (hm3d robots import-urdf)" }, "height": { "kind": "official", "url": "https://emanual.robotis.com/docs/en/platform/turtlebot3/features/" }, "limits.v_max": { "kind": "official", "url": "https://emanual.robotis.com/docs/en/platform/turtlebot3/features/" }, "limits.v_min": { "kind": "estimated", "method": "The manufacturer only publishes the maximum speed; the maximum reverse speed is assumed equal to it." }, "limits.vy_max": { "kind": "official", "url": "https://emanual.robotis.com/docs/en/platform/turtlebot3/features/", "note": "differential drive" }, "limits.w_max": { "kind": "official", "url": "https://emanual.robotis.com/docs/en/platform/turtlebot3/features/" }, "lidar": { "kind": "official", "url": "https://emanual.robotis.com/docs/en/platform/turtlebot3/appendix_lds_02/" }, "lidar.beams": { "kind": "estimated", "method": "1 beam per degree, close to the ~1 degree angular resolution of low-cost 2D LiDARs; the environment resamples to n_beams beams." }, "footprint_simple": { "kind": "official", "url": "https://emanual.robotis.com/docs/en/platform/turtlebot3/features/" }, "import": { "kind": "navsim", "file": "turtlebot3_burger.json" } }, "footprint_simple": { "type": "rectangle", "length": 0.138, "width": 0.178 }, "r_circ": 0.1046, "r_insc": 0.0322 }