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Obstacle avoidance for multi-robot navigation with polytopic shapes is challenging. Existing works simplify the system dynamics or consider it as a convex or non-convex optimization problem with positive distance constraints between robots,…

机器人学 · 计算机科学 2024-06-11 Jihao Huang , Jun Zeng , Xuemin Chi , Koushil Sreenath , Zhitao Liu , Hongye Su

Tensor decompositions play a crucial role in numerous applications related to multi-way data analysis. By employing a Bayesian framework with sparsity-inducing priors, Bayesian Tensor Ring (BTR) factorization offers probabilistic estimates…

机器学习 · 计算机科学 2024-12-05 Zerui Tao , Toshihisa Tanaka , Qibin Zhao

The goal of this presentation is to highlight various computational techniques used to study dynamics of quantum many-body systems. We examine the projection and variable phase methods being applied to multi-channel problems of scattering…

核理论 · 物理学 2014-12-22 Alexander Volya

This paper presents a learning-based approach for accurately estimating the 3D shape of flexible continuum robots subjected to external loads. The proposed method introduces a spatiotemporal neural network architecture that fuses…

机器人学 · 计算机科学 2025-10-28 Enyi Wang , Zhen Deng , Chuanchuan Pan , Bingwei He , Jianwei Zhang

Modeling and predicting the dynamics of complex multiscale systems remains a significant challenge due to their inherent nonlinearities and sensitivity to initial conditions, as well as limitations of traditional machine learning methods…

机器学习 · 计算机科学 2025-10-23 Elias Al Ghazal , Jad Mounayer , Beatriz Moya , Sebastian Rodriguez , Chady Ghnatios , Francisco Chinesta

In this paper, we introduce a novel method for safe navigation in agricultural robotics. As global environmental challenges intensify, robotics offers a powerful solution to reduce chemical usage while meeting the increasing demands for…

We recently derived the unified continuum and variational multiscale formulation for fluid-structure interaction (FSI) using the Gibbs free energy. Restricting our attention to vascular FSI, we now reduce this arbitrary Lagrangian-Eulerian…

计算物理 · 物理学 2022-04-06 Ingrid S. Lan , Ju Liu , Weiguang Yang , Alison L. Marsden

This paper considers the robustness of an uncertain nonlinear system along a finite-horizon trajectory. The uncertain system is modeled as a connection of a nonlinear system and a perturbation. The analysis relies on three ingredients.…

系统与控制 · 电气工程与系统科学 2025-08-05 Peter Seiler , Raghu Venkataraman

According to the requirement of general static obstacle detection, this paper proposes a compact vectorization representation approach of local static environments for unmanned ground vehicles. At first, by fusing the data of LiDAR and IMU,…

机器人学 · 计算机科学 2022-06-15 Haiming Gao , Qibo Qiu , Wei Hua , Xuebo Zhang , Zhengyong Han , Shun Zhang

Concentric Tube Robots (CTR) have the potential to enable effective minimally invasive surgeries. While extensive modeling and control schemes have been proposed in the past decade, limited efforts have been made to improve the trajectory…

机器人学 · 计算机科学 2023-05-11 Jia Shen , Yifan Wang , Milad Azizkhani , Deqiang Qiu , Yue Chen

The neural dynamics underlying brain activity are critical to understanding cognitive processes and mental disorders. However, current voxel-based whole-brain dimensionality reduction techniques fall short of capturing these dynamics,…

神经元与认知 · 定量生物学 2023-05-25 Eloy Geenjaar , Donghyun Kim , Riyasat Ohib , Marlena Duda , Amrit Kashyap , Sergey Plis , Vince Calhoun

We describe NTS-NOTEARS, a score-based structure learning method for time-series data to learn dynamic Bayesian networks (DBNs) that captures nonlinear, lagged (inter-slice) and instantaneous (intra-slice) relations among variables.…

机器学习 · 计算机科学 2023-03-03 Xiangyu Sun , Oliver Schulte , Guiliang Liu , Pascal Poupart

In many applications the accurate representation of the computational domain is a key factor to obtain reliable and effective numerical solutions. Curved interfaces, which might be internal, related to physical data, or portions of the…

We present MoBGS, a novel motion deblurring 3D Gaussian Splatting (3DGS) framework capable of reconstructing sharp and high-quality novel spatio-temporal views from blurry monocular videos in an end-to-end manner. Existing dynamic novel…

计算机视觉与模式识别 · 计算机科学 2025-12-04 Minh-Quan Viet Bui , Jongmin Park , Juan Luis Gonzalez Bello , Jaeho Moon , Jihyong Oh , Munchurl Kim

This paper presents a novel trajectory tracker for autonomous quadrotor navigation in dynamic and complex environments. The proposed framework integrates a distributional Reinforcement Learning (RL) estimator for unknown aerodynamic effects…

系统与控制 · 电气工程与系统科学 2023-01-02 Yanran Wang , James O'Keeffe , Qiuchen Qian , David Boyle

In this paper, a new control scheme, called as additive-decomposition-based tracking control, is proposed to solve the output feedback tracking problem for a class of systems with measurable nonlinearities and unknown disturbances. By the…

适应与自组织系统 · 物理学 2020-03-10 Quan Quan , Kai-Yuan Cai , Hai Lin

Intelligent vehicles and autonomous driving systems rely on scenario engineering for intelligence and index (I&I), calibration and certification (C&C), and verification and validation (V&V). To extract and index scenarios, various vehicle…

软件工程 · 计算机科学 2024-05-15 Cheng Chang , Jiawei Zhang , Jingwei Ge , Zuo Zhang , Junqing Wei , Li Li , Fei-Yue Wang

We propose a Visual Teach and Repeat (VTR) algorithm using semantic landmarks extracted from environmental objects for ground robots with fixed mount monocular cameras. The proposed algorithm is robust to changes in the starting pose of the…

机器人学 · 计算机科学 2022-06-28 Mohammad Mahdavian , KangKang Yin , Mo Chen

Tracked vehicles distribute their weight continuously over a large surface area (the tracks). This distinctive feature makes them the preferred choice for vehicles required to traverse soft and uneven terrain. From a robotics perspective,…

机器人学 · 计算机科学 2025-10-20 Michele Focchi , Daniele Fontanelli , Davide Stocco , Riccardo Bussola , Luigi Palopoli

We investigate several coordinate systems and dynamical vector fields for target tracking to be used in driver assistance systems. We show how to express the discrete dynamics of maneuvering target vehicles in arbitrary coordinates starting…

机器人学 · 计算机科学 2016-11-18 Richard Altendorfer