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• W3126417600 abstract "When manipulating a novel object with complex dynamics, a state representation is not always available, for example for deformable objects. Learning both a representation and dynamics from observations requires large amounts of data. We propose Learned Visual Similarity Predictive Control (LVSPC), a novel method for data-efficient learning to control systems with complex dynamics and high-dimensional state spaces from images. LVSPC leverages a given simple model approximation from which image observations can be generated. We use these images to train a perception model that estimates the simple model state from observations of the complex system online. We then use data from the complex system to fit the parameters of the simple model and learn where this model is inaccurate, also online. Finally, we use Model Predictive Control and bias the controller away from regions where the simple model is inaccurate and thus where the controller is less reliable. We evaluate LVSPC on two tasks; manipulating a tethered mass and a rope. We find that our method performs comparably to state-of-the-art reinforcement learning methods with an order of magnitude less data. LVSPC also completes the rope manipulation task on a real robot with 80% success rate after only 10 trials, despite using a perception system trained only on images from simulation." @default.
• W3126417600 created "2021-02-15" @default.
• W3126417600 creator A5083082888 @default.
• W3126417600 creator A5090563957 @default.
• W3126417600 date "2021-02-04" @default.
• W3126417600 modified "2023-09-25" @default.
• W3126417600 title "Keep it Simple: Data-efficient Learning for Controlling Complex Systems with Simple Models" @default.
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• W3126417600 hasPublicationYear "2021" @default.
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