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Nowadays, several models of unidimensional fluid jets exploit discrete element methods. In some cases, as for models aiming at describing the electrospinning nanofabrication process of polymer fibers, discrete element methods suffer a non…

Computational Physics · Physics 2016-05-30 Marco Lauricella , Giuseppe Pontrelli , Dario Pisignano , Sauro Succi

Autonomous wire harness assembly requires robots to manipulate complex branched cables with high precision and reliability. A key challenge in automating this process is predicting how these flexible and branched structures behave under…

Robotics · Computer Science 2025-05-07 Yizhou Chen , Xiaoyue Wu , Yeheng Zong , Yuzhen Chen , Anran Li , Bohao Zhang , Ram Vasudevan

Dynamic Mode Decomposition (DMD) is a powerful tool for extracting spatial and temporal patterns from multi-dimensional time series, and it has been used successfully in a wide range of fields, including fluid mechanics, robotics, and…

Dynamical Systems · Mathematics 2021-09-07 Ziyou Wu , Steven L. Brunton , Shai Revzen

This work proposes a Stochastic Variational Deep Kernel Learning method for the data-driven discovery of low-dimensional dynamical models from high-dimensional noisy data. The framework is composed of an encoder that compresses…

Machine Learning · Computer Science 2023-06-28 Nicolò Botteghi , Mengwu Guo , Christoph Brune

We present a simple direct discretization for functionals used in the variational mesh generation and adaptation. Meshing functionals are discretized on simplicial meshes and the Jacobian matrix of the continuous coordinate transformation…

Numerical Analysis · Mathematics 2015-11-30 Weizhang Huang , Lennard Kamenski

Reconstructing objects and extracting high-quality surfaces play a vital role in the real world. Current 4D representations show the ability to render high-quality novel views for dynamic objects, but cannot reconstruct high-quality meshes…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Shuai Zhang , Guanjun Wu , Zhoufeng Xie , Xinggang Wang , Bin Feng , Wenyu Liu

Accurately modeling bending energy in morphogenetic simulations is crucial, especially when dealing with anisotropic meshes where remeshing is infeasible due to the biologically meaningful entities of vertex positions (e.g., cells). This…

Biological Physics · Physics 2025-03-04 Tomohiro Mimura , Yasuhiro Inoue

In view of extremely challenging requirements on design and optimization of future mobile communication systems, researchers are considering possibilities of creation intelligent radio environments by using reconfigurable and smart…

Classical Physics · Physics 2021-03-10 A. Diaz-Rubio , S. A. Tretyakov

Dimension reduction is a common strategy to study non-linear dynamical systems composed by a large number of variables. The goal is to find a smaller version of the system whose time evolution is easier to predict while preserving some of…

Dynamical Systems · Mathematics 2022-06-23 Marina Vegué , Vincent Thibeault , Patrick Desrosiers , Antoine Allard

Adaptive moving spatial meshes are useful for solving physical models given by time-dependent partial differentialequations. However, special consideration must be given when combining adaptive meshing procedures with ensemble-based data…

Numerical Analysis · Mathematics 2022-07-27 Cassidy Krause , Weizhang Huang , David B Mechem , Erik S Van Vleck , Min Zhang

Realtime shape estimation of continuum objects and manipulators is essential for developing accurate planning and control paradigms. The existing methods that create dense point clouds from camera images, and/or use distinguishable markers…

Robotics · Computer Science 2024-10-23 Jiaming Zhang , Zhaomeng Zhang , Yihao Liu , Yaqian Chen , Amir Kheradmand , Mehran Armand

Today robots must be safe, versatile, and user-friendly to operate in unstructured and human-populated environments. Dynamical system-based imitation learning enables robots to perform complex tasks stably and without explicit programming,…

Robotics · Computer Science 2025-03-11 Sayantan Auddy , Antonio Paolillo , Justus Piater , Matteo Saveriano

In this paper, a flexible tether-net system is applied to capture the space debris and a numerical framework is established to explore its nonlinear dynamic behaviors, which comprises four principal phases: folding, spreading, contacting,…

Numerical Analysis · Mathematics 2022-08-01 Weicheng Huang , Dongze He , Yanbin Li , Dahai Zhang , Huaiwu Zou , Hanwu Liu , Wenmiao Yang , Longhui Qin , Qingguo Fei

In millimeter-wave (mmWave) cellular systems, reconfigurable intelligent surfaces (RISs) are foreseeably deployed with a large number of reflecting elements to achieve high beamforming gains. The large-sized RIS will make radio links fall…

Information Theory · Computer Science 2023-12-20 Baojia Luo , Yili Deng , Miaomiao Dong , Zhongyi Huang , Xiang Chen , Wei Han , Bo Bai

Soft robots have garnered significant attention due to their promising applications across various domains. A hallmark of these systems is their bilayer structure, where strain mismatch caused by differential expansion between layers…

Robotics · Computer Science 2025-02-04 Jiahao Li , Dezhong Tong , Zhuonan Hao , Yinbo Zhu , Hengan Wu , Mingchao Liu , Weicheng Huang

Dynamics models learned from visual observations have shown to be effective in various robotic manipulation tasks. One of the key questions for learning such dynamics models is what scene representation to use. Prior works typically assume…

Robotics · Computer Science 2023-07-03 Yixuan Wang , Yunzhu Li , Katherine Driggs-Campbell , Li Fei-Fei , Jiajun Wu

In recent work we have shown how an accurate reduced model can be utilized to perform mesh refinement in random space. That work relied on the explicit knowledge of an accurate reduced model which is used to monitor the transfer of activity…

Numerical Analysis · Mathematics 2016-09-21 Jing Li , Panos Stinis

Capsules as well as dynamic routing between them are most recently proposed structures for deep neural networks. A capsule groups data into vectors or matrices as poses rather than conventional scalars to represent specific properties of…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Suofei Zhang , Wei Zhao , Xiaofu Wu , Quan Zhou

This study presents mechatronic design, dynamic modeling, simulations and real-time control experiments of a new movable scaffolding system. The proposed system consists of a 3 degrees-of-freedom movable platform, which can be positioned on…

Systems and Control · Electrical Eng. & Systems 2025-12-02 M. Özgün Güleç , Koray K. Şafak

This paper deals with propagation and channel modeling for physically large arrays. The focus lies on acquiring a spatially consistent model, which is essential, especially for positioning and sensing applications. Ultra-wideband, synthetic…

Signal Processing · Electrical Eng. & Systems 2023-05-11 Thomas Wilding , Benjamin J. B. Deutschmann , Christian Nelson , Xuhong Li , Fredrik Tufvesson , Klaus Witrisal