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Precipitation nowcasting based on radar echo maps is essential in meteorological research. Recently, Convolutional RNNs based methods dominate this field, but they cannot be solved by parallel computation resulting in longer inference time.…

计算机视觉与模式识别 · 计算机科学 2022-05-06 Feng Sun , Cong Bai

This paper presents a robust non-linear state estimator for autonomous surface vehicles, where the movement is restricted to the horizontal plane. It is assumed that only the vehicle position and orientation can be measured, being the…

系统与控制 · 电气工程与系统科学 2024-02-07 Guillermo Bejarano , Sufiyan N-Yo , Luis Orihuela

Time-varying delays adversely affect the performance of networked control sys-tems (NCS) and in the worst-case can destabilize the entire system. Therefore, modelling network delays is important for designing NCS. However, modelling…

系统与控制 · 计算机科学 2015-09-24 B. Sreram , F. Bounapane , B. Subathra , Seshadhri Srinivasan

Accurate platform localization is an integral component of most robotic systems. As these robotic systems become more ubiquitous, it is necessary to develop robust state estimation algorithms that are able to withstand novel and…

机器人学 · 计算机科学 2019-10-15 Ryan M. Watson , Jason N. Gross , Clark N. Taylor , Robert C. Leishman

Real-time acquisition of accurate machine parameters is of significance to achieving high performance in electric drives, particularly targeted for mission-critical applications. Unlike the saturation effects, the temperature variations are…

系统与控制 · 电气工程与系统科学 2022-09-13 Aravinda Perera , Roy Nilsen

A novel realization of Gas Modulation Refractometry (GAMOR) that outperforms the original realization [Single Cavity Modulated GAMOR (SCM-GAMOR)], is presented. The reference measurements are carried out by equalizing the pressures in the…

仪器与探测器 · 物理学 2019-06-26 Isak Silander , Thomas Hausmaninger , Clayton Forssén , Martin Zelan , Ove Axner

The generalized log-gamma (GLG) model is a very flexible family of distributions to analyze datasets in many different areas of science and technology. In this paper, we propose estimators which are simultaneously highly robust and highly…

统计方法学 · 统计学 2015-12-07 Claudio Agostinelli , Isabella Locatelli , Alfio Marazzi , Victor J. Yohai

Consider solving large sparse range symmetric singular linear systems $ A {\bf x}= {\bf b} $ which arise, for instance, in the discretization of convection diffusion equations with periodic boundary conditions, and partial differential…

数值分析 · 数学 2022-11-02 Kota Sugihara , Ken Hayami , Liao Zeyu

The enhanced Gaussian noise (EGN) model, which accounts for inter-channel stimulated Raman scattering (ISRS), has been extensively utilized for evaluating nonlinear interference (NLI) within the C+L band. Compared to closed-form expressions…

信号处理 · 电气工程与系统科学 2025-09-03 Ruiyang Xia , Guanjun Gao , Zanshan Zhao , Haoyu Wang , Kun Wen , Daobin Wang

Safety-critical navigation applications require that estimation errors be reliably quantified and bounded. This can be challenging for linear dynamic systems if the process noise or measurement errors have uncertain time correlation. In…

信号处理 · 电气工程与系统科学 2020-09-22 Omar Garcia Crespillo , Mathieu Joerger , Steve Langel

In the classic measurement error framework, covariates are contaminated by independent additive noise. This paper considers parameter estimation in such a linear errors-in-variables model where the unknown measurement error distribution is…

统计方法学 · 统计学 2023-10-24 Linh H. Nghiem , Cornelis J. Potgieter

An adaptive scheme to generate reduced-order models for parametric nonlinear dynamical systems is proposed. It aims to automatize the POD-Greedy algorithm combined with empirical interpolation. At each iteration, it is able to adaptively…

数值分析 · 数学 2021-10-13 Sridhar Chellappa , Lihong Feng , Peter Benner

The rapid advancement of large-scale cosmological simulations has opened new avenues for cosmological and astrophysical research. However, the increasing diversity among cosmological simulation models presents a challenge to the robustness.…

宇宙学与河外天体物理 · 物理学 2025-02-20 Yongseok Jo , Shy Genel , Anirvan Sengupta , Benjamin Wandelt , Rachel Somerville , Francisco Villaescusa-Navarro

Commercial off-the-shelf (COTS) Global Navigation Satellite System (GNSS) receivers face significant limitations under high-dynamic conditions, particularly in high-acceleration environments such as those experienced by launch vehicles.…

信号处理 · 电气工程与系统科学 2025-10-28 Laura Train , Rodrigo Castellanos , Miguel Gómez-López

We present a robust control and estimation framework for quadrotors operating in Global Navigation Satellite System(GNSS)-denied, non-inertial environments where inertial sensors such as Inertial Measurement Units (IMUs) become unreliable…

机器人学 · 计算机科学 2026-02-05 Riming Xu , Obadah Wali , Yasmine Marani , Eric Feron

A unified structural framework is presented for model-based fault diagnosis that explicitly incorporates both fault locations and constraints imposed by the residual generation methodology. Building on the concepts of proper and minimal…

系统与控制 · 电气工程与系统科学 2026-04-14 Jan Åslund

In this paper we consider the problem of estimating simultaneously low-rank and row-wise sparse matrices from nested linear measurements where the linear operator consists of the product of a linear operator $\mathcal{W}$ and a matrix…

统计理论 · 数学 2016-03-22 Sohail Bahmani , Justin Romberg

A robust observer for performing power system dynamic state estimation (DSE) of a synchronous generator is proposed. The observer is developed using the concept of $\mathcal{L}_{\infty}$ stability for uncertain, nonlinear dynamic generator…

系统与控制 · 电气工程与系统科学 2020-02-19 Sebastian Nugroho , Ahmad F. Taha , Junjian Qi

The transportation sector significantly contributes to greenhouse gas emissions, necessitating accurate emission models to guide mitigation strategies. Despite its field validation and certification, the industry-standard Motor Vehicle…

Neural network (NN) emulators of the global 21 cm signal need emulation error much less than the observational noise in order to be used to perform unbiased Bayesian parameter inference. To this end, we introduce $\texttt{21cmLSTM}$ -- a…

宇宙学与河外天体物理 · 物理学 2024-10-11 J. Dorigo Jones , S. M. Bahauddin , D. Rapetti , J. Mirocha , J. O. Burns