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This article investigates the use of a model-based neural-network for the traffic reconstruction problem using noisy measurements coming from probe vehicles. The traffic state is assumed to be the density only, modeled by a partial…

最优化与控制 · 数学 2020-11-18 John Liu , Matthieu Barreau , Mladen Cicic , Karl H. Johansson

Approach-level models were developed to accommodate the diversity of approaches within the same intersection. A random effect term, which indicates the intersection-specific effect, was incorporated into each crash type model to deal with…

应用统计 · 统计学 2018-05-17 Xuesong Wang , Jinghui Yuan , Xiaohan Yang

We consider a modification of the covariance function in Gaussian processes to correctly account for known linear constraints. By modelling the target function as a transformation of an underlying function, the constraints are explicitly…

机器学习 · 统计学 2017-09-20 Carl Jidling , Niklas Wahlström , Adrian Wills , Thomas B. Schön

This paper addresses the problem of providing robust estimators under a functional logistic regression model. Logistic regression is a popular tool in classification problems with two populations. As in functional linear regression,…

统计方法学 · 统计学 2023-08-16 Graciela Boente , Marina Valdora

A form of the Laplace transform is reviewed as a paradigm for an entire class of fractional functional transforms. Various of its properties are discussed. Such transformations should be useful in application to differential/integral…

数据分析、统计与概率 · 物理学 2018-04-30 R. A. Treumann , W. Baumjohann

This paper proposes a gamma process for modelling the damage that accumulates over time in the lumber used in structural engineering applications when stress is applied. The model separates the stochastic processes representing features…

应用统计 · 统计学 2017-08-25 Samuel W. K. Wong , James V. Zidek

Ensuring the safety of autonomous vehicles (AVs) requires identifying rare but critical failure cases that on-road testing alone cannot discover. High-fidelity simulations provide a scalable alternative, but automatically generating…

机器学习 · 计算机科学 2024-11-27 Amar Kulkarni , Shangtong Zhang , Madhur Behl

We study regression models for the situation where both dependent and independent variables are square-integrable stochastic processes. Questions concerning the definition and existence of the corresponding functional linear regression…

统计理论 · 数学 2011-02-28 Guozhong He , Hans-Georg Müller , Jane-Ling Wang , Wenjing Yang

We introduce a stochastic traffic flow model to describe random traffic accidents on a single road. The model is a piecewise deterministic process incorporating traffic accidents and is based on a scalar conservation law with…

概率论 · 数学 2019-12-13 Simone Göttlich , Stephan Knapp

It is common to utilise dynamic models to measure the tyre-road friction in real-time. Alternatively, predictive approaches estimate the tyre-road friction by identifying the environmental factors affecting it. This work aims to formulate…

计算机视觉与模式识别 · 计算机科学 2023-03-13 Mohammad Otoofi , William J. B. Midgley , Leo Laine , Henderson Leon , Laura Justham , James Fleming

Linear power flow (LPF) models are essential in power system analysis. Various LPF models are proposed, but some crucial questions are still remained: what is the performance bound (e.g., the error bound) of LPF models, how to know a branch…

系统与控制 · 电气工程与系统科学 2021-11-09 Zhentong Shao , Qiaozhu Zhai , Xiaohong Guan

We study the impact of disruptions on road networks, and the recovery process after the disruption is removed from the system. Such disruptions could be caused by vehicle breakdown or illegal parking. We analyze the transient behavior using…

元胞自动机与格子气 · 物理学 2014-05-27 Lele Zhang , Timothy M. Garoni , Jan de Gier

Reinforcement learning (RL) algorithms for real-world robotic applications need a data-efficient learning process and the ability to handle complex, unknown dynamical systems. These requirements are handled well by model-based and…

机器人学 · 计算机科学 2017-06-20 Yevgen Chebotar , Karol Hausman , Marvin Zhang , Gaurav Sukhatme , Stefan Schaal , Sergey Levine

The article discusses building models based on the reconstructed attractors of the time series. Discusses the use of the properties of dynamical chaos, namely to identify the strange attractors structure models. Here is used the group…

计算工程、金融与科学 · 计算机科学 2014-02-07 Evgeny Nikulchev

Using the LRT statistic, a model R^2 is proposed for the generalized linear mixed model for assessing the association between the correlated outcomes and fixed effects. The R^2 compares the full model to a null model with all fixed effects…

统计方法学 · 统计学 2010-11-03 Lloyd J. Edwards

In this paper we consider different model reduction techniques for systems with moving loads. Due to the time-dependency of the input and output matrices, the application of time-varying projection matrices for the reduction offers new…

动力系统 · 数学 2016-07-12 Maria Cruz Varona , Boris Lohmann

We present a new efficient algortithm for construction of linear latent structure (LLS) models. This algorithm reduces a problem of estimation of model parameters to a sequence of problems of linear algebra, which assures a low…

概率论 · 数学 2007-06-13 Mikhail Kovtun , Igor Akushevich , Kenneth G. Manton , H. Dennis Tolley

This review article provides an overview of recent work in the modeling and analysis of recurrent events arising in engineering, reliability, public health, biomedicine and other areas. Recurrent event modeling possesses unique facets…

统计方法学 · 统计学 2007-08-03 Edsel A. Peña

We propose a formulation for nonlinear recurrent models that includes simple parametric models of recurrent neural networks as a special case. The proposed formulation leads to a natural estimator in the form of a convex program. We provide…

机器学习 · 统计学 2019-08-28 Sohail Bahmani , Justin Romberg

Electric motors are crucial in many applications, but traditional control methods struggle with nonlinearities, parameter uncertainties, and external disturbances. Reinforcement Learning (RL) offers a promising solution as a data-driven…

系统与控制 · 电气工程与系统科学 2024-12-25 Danial Kazemikia