Learning to Move Objects with Fluid Streams in a Differentiable Simulation
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866929330013077504 |
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| author | Freivalds, Karlis Leja, Laura Teikmanis, Oskars |
| author_facet | Freivalds, Karlis Leja, Laura Teikmanis, Oskars |
| contents | We introduce a method for manipulating objects in three-dimensional space using controlled fluid streams. To achieve this, we train a neural network controller in a differentiable simulation and evaluate it in a simulated environment consisting of an 8x8 grid of vertical emitters. By carrying out various horizontal displacement tasks such as moving objects to specific positions while reacting to external perturbations, we demonstrate that a controller, trained with a limited number of iterations, can generalise to longer episodes and learn the complex dynamics of fluid-solid interactions. Importantly, our approach requires only the observation of the manipulated object's state, paving the way for the development of physical systems that enable contactless manipulation of objects using air streams. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_18181 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Learning to Move Objects with Fluid Streams in a Differentiable Simulation Freivalds, Karlis Leja, Laura Teikmanis, Oskars Robotics We introduce a method for manipulating objects in three-dimensional space using controlled fluid streams. To achieve this, we train a neural network controller in a differentiable simulation and evaluate it in a simulated environment consisting of an 8x8 grid of vertical emitters. By carrying out various horizontal displacement tasks such as moving objects to specific positions while reacting to external perturbations, we demonstrate that a controller, trained with a limited number of iterations, can generalise to longer episodes and learn the complex dynamics of fluid-solid interactions. Importantly, our approach requires only the observation of the manipulated object's state, paving the way for the development of physical systems that enable contactless manipulation of objects using air streams. |
| title | Learning to Move Objects with Fluid Streams in a Differentiable Simulation |
| topic | Robotics |
| url | https://arxiv.org/abs/2404.18181 |