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DisGNet: A Distance Graph Neural Network for Forward Kinematics Learning of Gough-Stewart Platform
Feb. 15, 2024, 5:42 a.m. | Huizhi Zhu, Wenxia Xu, Jian Huang, Jiaxin Li
cs.LG updates on arXiv.org arxiv.org
Abstract: In this paper, we propose a graph neural network, DisGNet, for learning the graph distance matrix to address the forward kinematics problem of the Gough-Stewart platform. DisGNet employs the k-FWL algorithm for message-passing, providing high expressiveness with a small parameter count, making it suitable for practical deployment. Additionally, we introduce the GPU-friendly Newton-Raphson method, an efficient parallelized optimization method executed on the GPU to refine DisGNet's output poses, achieving ultra-high-precision pose. This novel two-stage approach …
arxiv cs.lg cs.ro graph graph neural network network neural network platform stewart type
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