Information metrics for improved traffic model fidelity through sensitivity analysis and data assimilation

A Sopasakis, MA Katsoulakis - Transportation Research Part B …, 2016 - Elsevier
… In all of the cases we tested against VISSIM and FREEVAL we observe improved model
parameterization and reduced errors for the information based approach we propose in this …

A generic data assimilation framework for vehicle trajectory reconstruction on signalized urban arterials using particle filters

X Xie, H van Lint, A Verbraeck - Transportation research part C: emerging …, 2018 - Elsevier
… align with their expected behavior predicted by their car-following models. The results show
that the effective penetration rate can be increased by around 20 – 30 % using this method, …

A mesoscopic traffic data assimilation framework for vehicle density estimation on urban traffic networks based on particle filters

S Wang, X Xie, R Ju - Entropy, 2019 - mdpi.com
… the data assimilation framework, and integrating traffic data … -car data) in the data assimilation
framework to improve the … framework with urban traffic control strategies to improve the …

Sparse Bayesian learning assisted approaches for road network traffic state estimation

CN Babu, P Sure, CM Bhuma - IEEE Transactions on Intelligent …, 2020 - ieeexplore.ieee.org
… kernels formulated by data driven approaches can better capture the … traffic prediction in
a given road link (or a freeway) of few miles over a period of few hours. Such data assimilation

A data assimilation framework for discrete event simulations

X Hu, P Wu - … Transactions on Modeling and Computer Simulation  …, 2019 - dl.acm.org
… of sample-based methods that use Bayesian inference and stochastic sampling techniques
to … Finally, to improve the robustness of data assimilation, in this tutorial example we employ …

Assimilating Eulerian and Lagrangian data in traffic-flow models

C Xia, C Cochrane, J DeGuire, G Fan, E Holmes… - Physica D: Nonlinear …, 2017 - Elsevier
traffic models; we also briefly review the data assimilation … These filters estimate the
Bayesian prior and posterior … that the performance of data assimilation is improved by moving a …

Real-time simulation of dynamic traffic flow with traffic data assimilation approach

Y Kawasaki, Y Hara, T Mitani… - Journal of Disaster …, 2016 - jstage.jst.go.jp
… Our proposal agrees better with simulated benchmark traffic states than deterministic VT …
data and a traffic flow model for assimilating data [2]. Among the many data assimilation models

Data assimilation for online model calibration in discrete event simulation

X Hu, M Yan - SIMULATION, 2024 - journals.sagepub.com
… adjusting the parameters of a simulation model to make it better model a system under study.
… community, the work of Hu 22 offers a tutorial on Bayesian sequential data assimilation and …

A multiscale sequential data assimilation system and its application to short-term traffic flow prediction

WZ Shi, RJ Wang - … and materials: an international journal on …, 2020 - ira.lib.polyu.edu.hk
… based on Bayesian theory have been applied in some short-term traffic state … -term traffic
flow data are always corrupted by local noises. To improve the accuracy of assimilation models

Bayesian updating methodology for probabilistic model of bridge traffic loads using in-service data of traffic environment

J Kim, J Song - Structure and Infrastructure Engineering, 2022 - Taylor & Francis
… a Bayesian inference methodology to directly update the parameters of the probabilistic model
of bridge traffic … the micro-simulation models, the traffic load effects increase by 5 ∼ 10%. …