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This paper introduces a Fault Diagnosis (Detection, Isolation, and Estimation) method using Set-Membership Estimation (SME) designed for a class of nonlinear systems that are linear to the fault parameters. The methodology advances fault…

机器人学 · 计算机科学 2024-11-06 A. Tsolakis , L. Ferranti , V. Reppa

This paper proposes new methodology for sequential state and parameter estimation within the ensemble Kalman filter. The method is fully Bayesian and propagates the joint posterior density of states and parameters over time. In order to…

统计方法学 · 统计学 2016-11-14 Jonathan R. Stroud , Matthias Katzfuss , Christopher K. Wikle

Despite the rapid advancements in Artificial Intelligence (AI), Stochastic Differential Equations (SDEs) remain the gold-standard formalism for modeling systems under uncertainty. However, applying SDEs in practice is fraught with…

机器学习 · 计算机科学 2026-04-06 Stefan Hackmann

This paper proposes a parallel-in-time method for computing continuous-time maximum-a-posteriori (MAP) trajectory estimates of the states of partially observed stochastic differential equations (SDEs), with the goal of improving…

分布式、并行与集群计算 · 计算机科学 2025-12-16 Hassan Razavi , Ángel F. García-Fernández , Simo Särkkä

This article proposes for stochastic partial differential equations (SPDEs) driven by additive noise, a novel approach for the approximate parameterizations of the ``small'' scales by the ``large'' ones, along with the derivaton of the…

偏微分方程分析 · 数学 2013-11-14 Mickaël D. Chekroun , Honghu Liu , Shouhong Wang

Neural Posterior Estimation (NPE) enables rapid parameter inference for complex simulators with intractable likelihoods. NPE trains an inference network to estimate a probability density over parameters given data, typically assumed to be…

机器学习 · 计算机科学 2026-05-14 Jan Boelts , Cornelius Schröder , Jonas Beck , Jakob H. Macke , Michael Deistler , Daniel Gedon

In this work we propose an approximate Minimum Mean-Square Error (MMSE) filter for linear dynamic systems with Gaussian Mixture noise. The proposed estimator tracks each component of the Gaussian Mixture (GM) posterior with an individual…

系统与控制 · 计算机科学 2015-06-26 Leila Pishdad , Fabrice Labeau

This paper proposes a joint detection and estimation (JDE) scheme based on mutual information for the radar work, whose goal is to choose the true one between target existent and target absence, and to estimate the unknown distance…

信息论 · 计算机科学 2022-01-13 Nan Wang , Dazhuan Xu

In various practical situations, we encounter data from stochastic processes which can be efficiently modelled by an appropriate parametric model for subsequent statistical analyses. Unfortunately, the most common estimation and inference…

统计方法学 · 统计学 2022-04-12 Rohan Hore , Abhik Ghosh

This paper addresses the problem of estimating the modes of an observed non-stationary mixture signal in the presence of an arbitrary distributed noise. A novel Bayesian model is introduced to estimate the model parameters from the…

信号处理 · 电气工程与系统科学 2022-03-31 Quentin Legros , Dominique Fourer , Sylvain Meignen , Marcelo A. Colominas

Stochastic differential equations (SDEs) provide a flexible framework for modeling temporal dynamics in partially observed systems. A central task is to calibrate such models from data, which requires inferring latent trajectories and…

机器学习 · 统计学 2026-05-08 Yu Wang , Arnab Ganguly

We propose a minimum distance estimator (MDE) for parameter identification in misspecified models characterized by a sequence of ergodic stochastic processes that converge weakly to the model of interest. The data is generated by the…

统计方法学 · 统计学 2025-06-17 Jaroslav I. Borodavka , Sebastian Krumscheid , Grigorios A. Pavliotis

The Expectation Maximization (EM) algorithm is of key importance for inference in latent variable models including mixture of regressors and experts, missing observations. This paper introduces a novel EM algorithm, called…

机器学习 · 计算机科学 2020-12-04 Gersende Fort , Eric Moulines , Hoi-To Wai

Many problems in the geophysical sciences demand the ability to calibrate the parameters and predict the time evolution of complex dynamical models using sequentially-collected data. Here we introduce a general methodology for the joint…

统计计算 · 统计学 2018-12-12 Sara Pérez-Vieites , Inés P. Mariño , Joaquín Míguez

The paper deals with state estimation of a spatially distributed system given noisy measurements from pointwise-in-time-and-space threshold sensors spread over the spatial domain of interest. A Maximum A posteriori Probability (MAP)…

系统与控制 · 电气工程与系统科学 2019-09-24 Giorgio Battistelli , Luigi Chisci , Nicola Forti , Stefano Gherardini

Stochastic differential equations (SDEs) using jump-diffusion processes describe many natural phenomena at the microscopic level. Since they are commonly used to model economic and financial evolutions, the calibration and optimal control…

最优化与控制 · 数学 2025-05-08 Jan Bartsch , Alfio Borzi , Gabriele Ciaramella , Jan Reichle

Parameter estimation for a parabolic linear stochastic partial differential equation in one space dimension is studied observing the solution field on a discrete grid in a fixed bounded domain. Considering an infill asymptotic regime in…

统计理论 · 数学 2019-11-26 Florian Hildebrandt , Mathias Trabs

Stochastic differential equations are an important modeling class in many disciplines. Consequently, there exist many methods relying on various discretization and numerical integration schemes. In this paper, we propose a novel,…

机器学习 · 计算机科学 2019-05-29 Gabriele Abbati , Philippe Wenk , Michael A Osborne , Andreas Krause , Bernhard Schölkopf , Stefan Bauer

This paper studies the remote state estimation problem of linear time-invariant systems with stochastic event-triggered sensor schedules in the presence of packet drops between the sensor and the estimator. It is shown that the system state…

最优化与控制 · 数学 2019-04-04 Liang Xu , Yilin Mo , Lihua Xie

Motivated by the maneuvering target tracking with sensors such as radar and sonar, this paper considers the joint and recursive estimation of the dynamic state and the time-varying process noise covariance in nonlinear state space models.…

系统与控制 · 电气工程与系统科学 2023-05-09 Hua Lan , Jinjie Hu , Zengfu Wang , Qiang Cheng