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相关论文: Navigating through the O(N) archipelago

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This paper presents a reinforcement learning-based quadrotor navigation method that leverages efficient differentiable simulation, novel loss functions, and privileged information to navigate around large obstacles. Prior learning-based…

机器人学 · 计算机科学 2026-03-06 Jonathan Lee , Abhishek Rathod , Kshitij Goel , John Stecklein , Wennie Tabib

This paper describes a problem arising in sea exploration, where the aim is to schedule the expedition of a ship for collecting information about the resources on the seafloor. The aim is to collect data by probing on a set of carefully…

人工智能 · 计算机科学 2019-04-09 João Pedro Pedroso , Alpar Vajk Kramer , Ke Zhang

How can a robot navigate successfully in rich and diverse environments, indoors or outdoors, along office corridors or trails on the grassland, on the flat ground or the staircase? To this end, this work aims to address three challenges:…

机器人学 · 计算机科学 2022-06-01 Bo Ai , Wei Gao , Vinay , David Hsu

Quadrotors are agile. Unlike most other machines, they can traverse extremely complex environments at high speeds. To date, only expert human pilots have been able to fully exploit their capabilities. Autonomous operation with on-board…

机器人学 · 计算机科学 2021-10-12 Antonio Loquercio , Elia Kaufmann , René Ranftl , Matthias Müller , Vladlen Koltun , Davide Scaramuzza

We study the conformal bootstrap for 3D CFTs with O(N) global symmetry. We obtain rigorous upper bounds on the scaling dimensions of the first O(N) singlet and symmetric tensor operators appearing in the $\phi_i \times \phi_j$ OPE, where…

高能物理 - 理论 · 物理学 2015-10-16 Filip Kos , David Poland , David Simmons-Duffin

The paper proposes novel sampling strategies to compute the optimal path alteration of a surface vessel sailing in close quarters. Such strategy directly encodes the rules for safe navigation at sea, by exploiting the concept of minimal…

机器人学 · 计算机科学 2022-01-12 Thomas Thuesen Enevoldsen , Christopher Reinartz , Roberto Galeazzi

We use the conformal bootstrap to study conformal field theories with $O(N)$ global symmetry in $d=5$ and $d=5.95$ spacetime dimensions that have a scalar operator $\phi_i$ transforming as an $O(N)$ vector. The crossing symmetry of the…

高能物理 - 理论 · 物理学 2015-05-06 Shai M. Chester , Silviu S. Pufu , Ran Yacoby

This paper presents a novel information-based mission planner for a drone tasked to monitor a spatially distributed dynamical phenomenon. For the sake of simplicity, the area to be monitored is discretized. The insight behind the proposed…

系统与控制 · 电气工程与系统科学 2021-03-16 Nicolas Bono Rossello , Renzo Fabrizio Carpio , Andrea Gasparri , Emanuele Garone

Deformable parts models show a great potential in tracking by principally addressing non-rigid object deformations and self occlusions, but according to recent benchmarks, they often lag behind the holistic approaches. The reason is that…

计算机视觉与模式识别 · 计算机科学 2016-05-13 Alan Lukežič , Luka Čehovin , Matej Kristan

We use modern bootstrap techniques to study half-BPS line defects in 4d N=4 superconformal theories. Specifically, we consider the 1d CFT with OSP(4*|4) superconformal symmetry living on such a defect. Our analysis is general and based only…

高能物理 - 理论 · 物理学 2018-11-14 Pedro Liendo , Carlo Meneghelli , Vladimir Mitev

Exploration systems are critical for enhancing the autonomy of robots. Due to the unpredictability of the future planning space, existing methods either adopt an inefficient greedy strategy or require a lot of resources to obtain a global…

机器人学 · 计算机科学 2023-07-07 Xuyang Zhao , Chengpu Yu , Erpei Xu , Yixuan Liu

This paper proposes an interactive navigation framework by using large language and vision-language models, allowing robots to navigate in environments with traversable obstacles. We utilize the large language model (GPT-3.5) and the…

机器人学 · 计算机科学 2024-03-14 Zhen Zhang , Anran Lin , Chun Wai Wong , Xiangyu Chu , Qi Dou , K. W. Samuel Au

We address one of the main challenges towards autonomous quadrotor flight in complex environments, which is flight through narrow gaps. While previous works relied on off-board localization systems or on accurate prior knowledge of the gap…

机器人学 · 计算机科学 2018-04-06 Davide Falanga , Elias Mueggler , Matthias Faessler , Davide Scaramuzza

An automated algorithm to construct island divertors for stellarators is presented and is used to find divertors that meet heat flux requirements determined by engineering and material limits. The algorithm uses just two initial conditions:…

等离子体物理 · 物理学 2026-03-02 Avigdor Veksler , Aaron Bader , Heinke Frerichs , Elizabeth Paul

The basic (and traditional) crossing number problem is to determine the minimum number of crossings in a topological drawing of an input graph in the plane. We develop a unified framework yielding fixed-parameter tractable (FPT) algorithms…

计算几何 · 计算机科学 2026-05-07 Éric Colin de Verdière , Petr Hliněný

This paper considers planning a path for a single underwater cooperative navigation aid (CNA) vehicle to sequentially aid a set of N agents to minimize average navigation uncertainty. Both the CNA and agents are modeled as constant-velocity…

系统与控制 · 电气工程与系统科学 2024-07-10 Artur Wolek

In this work, we propose a search-based planning method to compute dynamically feasible trajectories for a quadrotor flying in an obstacle-cluttered environment. Our approach searches for smooth, minimum-time trajectories by exploring the…

机器人学 · 计算机科学 2017-09-19 Sikang Liu , Nikolay Atanasov , Kartik Mohta , Vijay Kumar

Being able to explore unknown environments is a requirement for fully autonomous robots. Many learning-based methods have been proposed to learn an exploration strategy. In the frontier-based exploration, learning algorithms tend to learn…

机器人学 · 计算机科学 2021-06-18 Zhaoting Li , Tingguang Li , Jiankun Wang , Max Q. -H. Meng

We apply our previously developed approach to marginal quartic interactions in multiscalar QFTs, which shows that one-loop RG flows can be described in terms of a commutative algebra, to various models in 4d. We show how the algebra can be…

高能物理 - 理论 · 物理学 2024-08-26 Nadia Flodgren

We use analytic bootstrap techniques for a CFT with an interface or a boundary. Exploiting the analytic structure of the bulk and boundary conformal blocks we extract the CFT data. We further constrain the CFT data by applying the equation…

高能物理 - 理论 · 物理学 2021-09-21 Parijat Dey , Alexander Söderberg