This study represents a preliminary step towards data-driven computation of contact dynamics during manipulation of deformable objects at two points of contact. A modeling approach is proposed that characterizes the individual interaction at both points and the mutual effects of the two interactions on each other via a set of parameters. Both global as well as local coordinate systems are tested for encoding the contact mechanics. Artificial neural networks are trained on simulated data to capture the object behavior. A comparison of test data with the output of the trained system reveals a mean squared error percentage between 1% and 3% for simple interactions.
Data-Driven Computation of Contact Dynamics During Two-Point Manipulation of Deformable Objects
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Abdelrahman, W, Nahavandi, S, Creighton, D, & Harders, M. "Data-Driven Computation of Contact Dynamics During Two-Point Manipulation of Deformable Objects." Proceedings of the ASME 2011 World Conference on Innovative Virtual Reality. ASME 2011 World Conference on Innovative Virtual Reality. Milan, Italy. June 27–29, 2011. pp. 377-384. ASME. https://doi.org/10.1115/WINVR2011-5560
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