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Generative models based on static scalar energy functions represent an emerging paradigm in which a single time independent potential drives sample generation through its gradient field, eliminating the need for time conditioning entirely.…

机器学习 · 计算机科学 2026-05-08 Yixuan Wang , Wenqian Xue , Warren E. Dixon

Cooperative online scalar field mapping is an important task for multi-robot systems. Gaussian process regression is widely used to construct a map that represents spatial information with confidence intervals. However, it is difficult to…

机器人学 · 计算机科学 2024-01-24 Tianyi Ding , Ronghao Zheng , Senlin Zhang , Meiqin Liu

Gaussian processes (GP) are a popular and powerful tool for spatial modelling of data, especially data that quantify environmental processes. However, in stationary form, whether covariance is isotropic or anisotropic, GPs may lack the…

统计方法学 · 统计学 2023-11-10 Benjamin D. Youngman

This paper presents five different statistical methods for ground scene prediction (GSP) in wavelength-resolution synthetic aperture radar (SAR) images. The GSP image can be used as a reference image in a change detection algorithm yielding…

图像与视频处理 · 电气工程与系统科学 2022-07-26 B. G. Palm , D. I. Alves , M. I. Pettersson , V. T. Vu , R. Machado , R. J. Cintra , F. M. Bayer , P. Dammert , H. Hellsten

We consider the problem of estimating the set of all inputs that leads a system to some particular behavior. The system is modeled by an expensive-to-evaluate function, such as a computer experiment, and we are interested in its excursion…

统计方法学 · 统计学 2021-05-10 Dario Azzimonti , David Ginsbourger , Clément Chevalier , Julien Bect , Yann Richet

We propose a new variational inference algorithm for learning in Gaussian Process State-Space Models (GPSSMs). Our algorithm enables learning of unstable and partially observable systems, where previous algorithms fail. Our main algorithmic…

机器学习 · 计算机科学 2020-06-11 Silvan Melchior , Sebastian Curi , Felix Berkenkamp , Andreas Krause

With the objective of developing computational methods for stability analysis of switched systems, we consider the problem of finding the minimal lower bounds on average dwell-time that guarantee global asymptotic stability of the origin.…

最优化与控制 · 数学 2023-07-24 Sigurdur Hafstein , Aneel Tanwani

This paper introduces inspection through GLASS, a Geometric Look-Angle Shaping Strategy for enclosed regions using unmanned aerial vehicles. In doing so, the vehicles guidance command is constructed through a bounded, geometry-consistent…

机器人学 · 计算机科学 2026-03-03 Amit Shivam , Manuel C. R. M. Fernandes , Sergio Vinha , Fernando A. C. C. Fontes

Autonomous vehicles (AVs) rely on the Global Positioning System (GPS) or Global Navigation Satellite Systems (GNSS) for precise (Positioning, Navigation, and Timing) PNT solutions. However, the vulnerability of GPS signals to intentional…

密码学与安全 · 计算机科学 2024-01-04 Sagar Dasgupta , Abdullah Ahmed , Mizanur Rahman , Thejesh N. Bandi

This work presents a number of techniques to improve the ability to create magnetic field maps on a UAV which can be used to quickly and reliably gather magnetic field observations at multiple altitudes in a workspace. Unfortunately, the…

机器人学 · 计算机科学 2023-02-02 Prince E. Kuevor , Maani Ghaffari , Ella M. Atkins , James W. Cutler

Global Positioning System (GPS) is a satellite network that transmits regularly encoded information and makes it possible to pinpoint the exact location on Earth by measuring the distance between satellites and the receiver. While GPS…

系统与控制 · 计算机科学 2018-03-23 Mehmet Serdar Güzel , Erkan Meral

Most of the routing algorithms for unmanned vehicles, that arise in data gathering and monitoring applications in the literature, rely on the Global Positioning System (GPS) information for localization. However, disruption of GPS signals…

机器人学 · 计算机科学 2017-12-21 Kaarthik Sundar , Sohum Misra , Sivakumar Rathinam , Rajnikant Sharma

We present an efficient and validated method for approximating the stationary measures of random dynamical systems with smooth additive noise. The approach leverages the strong regularizing properties of the associated transfer operator…

动力系统 · 数学 2026-02-24 Stefano Galatolo , Charles Lopez Vereau , Luigi Marangio , Isaia Nisoli

The isoline tracking of this work is concerned with the control design for a sensing vehicle to track a desired isoline of an unknown scalar field. To this end, we propose a simple PI-like controller for a Dubins vehicle in the GPS-denied…

系统与控制 · 电气工程与系统科学 2022-12-27 Fei Dong , Keyou You

High performance tracking control can only be achieved if a good model of the dynamics is available. However, such a model is often difficult to obtain from first order physics only. In this paper, we develop a data-driven control law that…

系统与控制 · 计算机科学 2018-11-20 Thomas Beckers , Jonas Umlauft , Dana Kulić , Sandra Hirche

This study presents a new methodology for learning-based motion planning for autonomous exploration using aerial robots. Through the reinforcement learning method of learning through trial and error, the action policy is derived that can…

机器人学 · 计算机科学 2021-10-06 Sunggoo Jung , David Hyunchul Shim

This paper considers the problem of localization and circumnavigation of an unknown stationary target by a group of autonomous agents using only local bearing measurements. We assume that no direct communication or exchange of information…

最优化与控制 · 数学 2023-12-07 Donglin Sui , Mohammad Deghat

The problem of model identification for linear systems is considered, using a finite set of sampled data affected by a bounded measurement noise, with unknown bound. The objective is to identify one-step-ahead models and their accuracy in…

最优化与控制 · 数学 2020-01-31 Marco Lauricella , Lorenzo Fagiano

Leveraging autonomous systems in safety-critical scenarios requires verifying their behaviors in the presence of uncertainties and black-box components that influence the system dynamics. In this work, we develop a framework for verifying…

系统与控制 · 电气工程与系统科学 2024-07-17 John Skovbekk , Luca Laurenti , Eric Frew , Morteza Lahijanian

This paper develops a new approach to the estimation of the degree of boundedness or stability of multidimensional nonlinear systems with time-dependent nonperiodic coefficients-an essential task in various engineering and natural science…

动力系统 · 数学 2022-06-16 Mark A. Pinsky