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Inverse Design of Snap-Actuated Jumping Robots Powered by Mechanics-Aided Machine Learning | IEEE Journals & Magazine | IEEE Xplore

Inverse Design of Snap-Actuated Jumping Robots Powered by Mechanics-Aided Machine Learning


Abstract:

Simulating soft robots offers a cost-effective approach to exploring their design and control strategies. While current models, such as finite element analysis, are effec...Show More

Abstract:

Simulating soft robots offers a cost-effective approach to exploring their design and control strategies. While current models, such as finite element analysis, are effective in capturing soft robotic dynamics, the field still requires a broadly applicable and efficient numerical simulation method. In this letter, we introduce a discrete differential geometry-based framework for the model-based inverse design of a novel snap-actuated jumping robot. Our findings reveal that the snapping beam actuator exhibits both symmetric and asymmetric dynamic modes, enabling tunable robot trajectories (e.g., horizontal or vertical jumps). Leveraging this bistable beam as a robotic actuator, we propose a physics-data hybrid inverse design strategy to endow the snap-jump robot with a diverse range of jumping capabilities. By utilizing a physical engine to examine the effects of design parameters on jump dynamics, we then use extensive simulation data to establish a data-driven inverse design solution. This approach allows rapid exploration of parameter spaces to achieve targeted jump trajectories, providing a robust foundation for the robot's fabrication. Our methodology offers a powerful framework for advancing the design and control of soft robots through integrated simulation and data-driven techniques.
Published in: IEEE Robotics and Automation Letters ( Volume: 10, Issue: 2, February 2025)
Page(s): 1720 - 1727
Date of Publication: 26 December 2024

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