[PDF][PDF] Real-time calibration of large-scale traffic simulators: achieving efficiency through the use of analytical mode

K Zhang - 2020 - oastats.mit.edu
The metamodel is built around a macroscopic network model that relates calibration
parameters to field measurements in an analytical, computationally tractable, and …

[PDF][PDF] Efficient offline calibration of origin-destination (demand) for large-scale stochastic traffic models

C Zhang, C Osorio - Technical Report, 2017 - mit.edu
Traditional calibration algorithms for intricate simulation-based traffic simulators use
generalpurpose optimization algorithms, which treat the simulator as a black-box. In this …

Improving the accuracy and efficiency of online calibration for simulation-based Dynamic Traffic Assignment

H Zhang, R Seshadri, AA Prakash, C Antoniou… - … Research Part C …, 2021 - Elsevier
Abstract Simulation-based Dynamic Traffic Assignment models have important applications
in real-time traffic management and control. The efficacy of these systems rests on the ability …

Calibrating dynamic network models for traffic operator decision support

SP Hoogendoorn, M Schreuder… - Transportation …, 2007 - journals.sagepub.com
To support traffic operators in regional traffic management centers with their network control
tasks, the Traffic Research Center of the Dutch Ministry of Transportation has proposed a …

Online calibration for simulation-based dynamic traffic assignment: towards large-scale and real-time performance

H Zhang - 2018 - dspace.mit.edu
The severity of traffic congestion is increasing each year in the US, resulting in higher travel
times, and increased energy consumption and emissions. They have led to an increasing …

Constrained extended Kalman filter: an efficient improvement of calibration for dynamic traffic assignment models

H Zhang - 2016 - dspace.mit.edu
The calibration (estimation of inputs and parameters) for dynamic traffic assignment (DTA)
systems is a crucial process for traffic prediction accuracy, and thus critical to global traffic …

[PDF][PDF] Efficient calibration techniques for large-scale traffic simulators

C Osorio, C Zhang, G Flötteröd - 2016 - ethz.ch
Transportation simulators have been increasingly popular and widely applied to analyze
transportation problems that are not amendable to study by other means. Model calibration …

Holistic calibration of microscopic traffic flow models: Methodology and real world application studies

A Paz, V Molano, J Sanchez-Medina - … to the memory of Professor MG …, 2015 - Springer
This study proposes and applies a methodology to calibrate microscopic traffic flow
simulation models. The proposed methodology has the capability to calibrate …

Efficient calibration techniques for large-scale traffic simulators

C Zhang, C Osorio, G Flötteröd - Transportation Research Part B …, 2017 - Elsevier
Road transportation simulators are increasingly used by transportation stakeholders around
the world for the analysis of intricate transportation systems. Model calibration is a crucial …

Calibration of microsimulation with heuristic optimization methods

J Ma, H Dong, HM Zhang - Transportation Research Record, 2007 - journals.sagepub.com
Model calibration is a crucial step in building a reliable microscopic traffic simulation
application because it serves as the additional check to ensure that the model parameters …