File size: 5,788 Bytes
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"description": "The task involves a cube hovering above a rotating circle turntable. Then, the cube is released on the turntable, and slides or keeps rest relative to the surface.",
"prompt": "Static top camera view: A black plastic cube (mass ≈ 147 g) is positioned off-center atop a wooden circular turntable (mass ≈ 722 g) driven by an electric motor and undergoing continuous rotation; the full assembly rests on a optical table. Coefficient of static friction between the cube and turntable ≈ 0.32; coefficient of restitution ≈ 0.32. Upon rotation, the cube follows a sliding trajectory across the spinning turntable surface.",
"assets": {
"cube": {
"model": "../../assets/obj/cube.obj",
"material": {
"wood": {
"mass": 0.0903,
"density": 722.4,
"friction": 0.378789,
"restitution": 0.285485
},
"plastic": {
"mass": 0.1469,
"density": 1175.2,
"friction": 0.322256,
"restitution": 0.324127
},
"metal": {
"mass": 0.3397,
"density": 2717.6,
"friction": 0.326517,
"restitution": 0.225054
}
}
},
"plate": {
"model": "../../assets/obj/plate.obj",
"material": {
"wood": {
"mass": 0.7216,
"density": 510.4276,
"friction": 0.322256,
"restitution": 0.225054
}
}
}
},
"tasks": {
"task-1": {
"assets": ["cube", "plate"],
"translation": {
"cube": {
"wood": [0.480787, 0.406880, 0.213902],
"plastic": [0.482116, 0.408567, 0.214826],
"metal": [0.481028, 0.408019, 0.215814]
},
"plate": {
"wood": [0.474901, 0.481774, 0.178902],
"plastic": [0.474906, 0.481779, 0.179826],
"metal": [0.474892, 0.481777, 0.180814]
}
},
"orientation": {
"cube": {
"wood": [0, 0, 0],
"plastic": [0, 0, 0],
"metal": [0, 0, 0]
},
"plate": {
"wood": [0, 0, 0],
"plastic": [0, 0, 0],
"metal": [0, 0, 0]
}
},
"fixed": {
"cube": false,
"plate": false
},
"kinematic": {
"cube": false,
"plate": true
},
"record": {
"assets": ["cube"],
"dim": ["x", "y", "z"],
"fps": 30
}
},
"task-2": {
"assets": ["cube", "plate"],
"translation": {
"cube": {
"wood": [0.477958, 0.406848, 0.213842],
"plastic": [0.478944, 0.408666, 0.214725],
"metal": [0.478794, 0.408084, 0.216051]
},
"plate": {
"wood": [0.474812, 0.481797, 0.178842],
"plastic": [0.474653, 0.481720, 0.179725],
"metal": [0.475306, 0.481697, 0.181051]
}
},
"orientation": {
"cube": {
"wood": [0, 0, 0],
"plastic": [0, 0, 0],
"metal": [0, 0, 0]
},
"plate": {
"wood": [0, 0, 0],
"plastic": [0, 0, 0],
"metal": [0, 0, 0]
}
},
"fixed": {
"cube": false,
"plate": false
},
"kinematic": {
"cube": false,
"plate": true
},
"record": {
"assets": ["cube"],
"dim": ["x", "y", "z"],
"fps": 30
}
},
"task-3": {
"assets": ["cube", "plate"],
"translation": {
"cube": {
"wood": [0.478844, 0.407497, 0.212681],
"plastic": [0.478783, 0.408776, 0.213371],
"metal": [0.477349, 0.408832, 0.214280]
},
"plate": {
"wood": [0.474748, 0.482441, 0.177681],
"plastic": [0.474745, 0.482457, 0.178371],
"metal": [0.474730, 0.482427, 0.17928]
}
},
"orientation": {
"cube": {
"wood": [0, 0, 0],
"plastic": [0, 0, 0],
"metal": [0, 0, 0]
},
"plate": {
"wood": [0, 0, 0],
"plastic": [0, 0, 0],
"metal": [0, 0, 0]
}
},
"fixed": {
"cube": false,
"plate": false
},
"kinematic": {
"cube": false,
"plate": true
},
"record": {
"assets": ["cube"],
"dim": ["x", "y", "z"],
"fps": 30
}
}
}
} |