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• W4290712063 abstract "Certain forms of uncertainty that robotic systems encounter can be explicitly learned within the context of a known model, like parametric model uncertainties such as mass and moments of inertia. Quantifying such parametric uncertainty is important for more accurate prediction of the system behavior, leading to safe and precise task execution. In tandem, providing a form of robustness guarantee against prevailing uncertainty levels like environmental disturbances and current model knowledge is also desirable. To that end, the authors' previously proposed RATTLE algorithm, a framework for online information-aware motion planning, is outlined and extended to enhance its applicability to real robotic systems. RATTLE provides a clear tradeoff between information-seeking motion and traditional goal-achieving motion and features online-adjustable models. Additionally, online-adjustable low level control robustness guarantees and a new method for automatic adjustment of information content down to a specified estimation precision is proposed. Results of extensive experimentation in microgravity using the Astrobee robots aboard the International Space Station and practical implementation details are presented, demonstrating RATTLE's capabilities for real-time, robust, online-adjustable, and model information-seeking motion planning capabilities under parametric uncertainty." @default.
• W4290712063 created "2022-08-09" @default.
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• W4290712063 date "2022-10-01" @default.
• W4290712063 modified "2023-09-27" @default.
• W4290712063 title "The RATTLE Motion Planning Algorithm for Robust Online Parametric Model Improvement With On-Orbit Validation" @default.
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• W4290712063 doi "https://doi.org/10.1109/lra.2022.3196957" @default.
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