Results 61 to 70 of about 3,827 (190)

Order parameter model for unstable multilane traffic flow

open access: yes, 2000
We discuss a phenomenological approach to the description of unstable vehicle motion on multilane highways that explains in a simple way the observed sequence of the phase transitions "free flow -> synchronized motion -> jam" as well as the hysteresis in
A. Zerr   +17 more
core   +1 more source

A Systematic Review of Empirical Studies on Situation Awareness: Perspectives From the Interaction Among Humans, Machines, and the Task Environment

open access: yesPsyCh Journal, Volume 14, Issue 5, Page 718-733, October 2025.
ABSTRACT Situational awareness (SA) refers to “knowing what is going on” in a situation. As an essential concept originating in aviation literature approximately 40 years ago, SA has demonstrated significant potential and has since been extended across various fields, leading to a growing body of research.
Rong Fang   +7 more
wiley   +1 more source

Merging Maneuver Technique for an Adaptive Autonomous Platoon in Multi-Lane Highways

open access: yesIEEE Access
One fundamental maneuver in vehicle platooning is merging, where a new vehicle joins the platoon to benefit from its advantages. To ensure safe and efficient merging, this operation typically follows a systematic framework.
Khaled Redhwan Surur   +2 more
doaj   +1 more source

Time-delay feedback cooperative adaptive cruise control of connected vehicles by heterogeneous channel transmission

open access: yesMeasurement + Control, 2019
In this paper, we consider the cooperative adaptive cruise control problem of connected autonomous vehicles networked by heterogeneous wireless channel transmission.
Xiulan Song, Xiaoxin Lou, Limin Meng
doaj   +1 more source

A distributed model predictive approach for network traffic signal control using multi‐objective dynamic programming

open access: yesComputer-Aided Civil and Infrastructure Engineering, Volume 40, Issue 24, Page 3953-3978, 6 October 2025.
Abstract Real‐time traffic signal control (TSC) in road networks remains challenging due to variable traffic flows and high computational complexity. Existing model predictive control (MPC) approaches often face several limitations, including the reliance on commercial solvers, the inflexibility of single‐objective optimization, and the use of ...
Lyuzhou Luo   +3 more
wiley   +1 more source

Explainable reinforcement learning for improved traffic signal control

open access: yesComputer-Aided Civil and Infrastructure Engineering, Volume 40, Issue 24, Page 3911-3933, 6 October 2025.
Abstract Reinforcement learning has become a popular approach for traffic signal control, but its complexity often hinders practical application. To improve this, we propose a deep Q‐network framework with an attention mechanism inspired by how traffic police manage intersections.
Yuan Hu, Longfei Du, Said M. Easa
wiley   +1 more source

An enhanced approach for weaving area capacity estimation combining high‐fidelity simulation and interpretable machine learning

open access: yesComputer-Aided Civil and Infrastructure Engineering, Volume 40, Issue 25, Page 4273-4295, 20 October 2025.
Abstract Accurately assessing weaving area capacity is critical for optimizing traffic management. However, transportation agencies face a persistent challenge: Existing capacity models often inadequately characterize vehicle weaving behaviors and fail to quantify the interactions between influencing factors.
Jian Rong   +4 more
wiley   +1 more source

Graph Neural Networks for Aerodynamic Analysis of Truck Platoon Under Heterogeneous Traffic Environment

open access: yesIEEE Access
Recent advancements in connected vehicle technology have the potential to transform the efficiency and sustainability of transportation systems. Among these, truck platooning has emerged as a promising strategy to enhance freight delivery operations ...
Tong Liu, Fangyu Liu
doaj   +1 more source

Optimal Distributed Controller Design with Communication Delays: Application to Vehicle Formations

open access: yes, 2012
This paper develops a controller synthesis algorithm for distributed LQG control problems under output feedback. We consider a system consisting of three interconnected linear subsystems with a delayed information sharing structure.
Alam, Assad   +2 more
core   +1 more source

An unstructured single‐layer optimization approach for flexible right‐of‐way allocation and cooperative trajectory planning at signalized intersections

open access: yesComputer-Aided Civil and Infrastructure Engineering, Volume 40, Issue 19, Page 2793-2815, 5 August 2025.
Abstract Existing methods for signal timing and vehicle trajectory coordination often rely on fixed‐phase designs or leading vehicle guidance, limiting efficiency in dynamic traffic and multi‐vehicle coordination. This study models signal timing as right‐of‐way allocation for each inbound lane at discrete time intervals and integrates trajectory ...
Qichao Liu   +3 more
wiley   +1 more source

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