A fault-tolerant VSL control system for freeway work zone using the likelihood estimation method is developed in this study. The Kalman filter using augmented traffic states can provide accurate estimation of the traffic density and ramp flow for the VSL controller under health mode.
This study aims to develop a fault-tolerant VSL control strategy for freeway work zone with the consideration of the mainline sensor fault and ramp sensor ...
Jul 16, 2021 · The results demonstrate that the system can achieve reliable RSF diagnosis and consistent improvements in mobility, safety, and sustainability ...
Therefore, this study presents a fault-tolerant VSL control system for freeway work zone. A traffic flow model was first designed to analyze the traffic ...
To reduce the impacts of freeway work zone, variable speed limit (VSL) control system has been studied. By dynamically changing the speed limits upstream of a ...
The large volume of faulty data caused by sensor faults may affect the performance of a safety-critical system like VSL control and cause system degradation.
Variable speed limits (VSL) control has been widely studied to mitigate the congestion caused by lane closures at work zones. However, most VSL controllers are ...
Fault-Tolerant Control of Variable Speed Limits for Freeway Work Zone With Recurrent Sensor Faults Journal Articles ... Fault tolerant systems; IMPUTATION ...
Variable speed limits (VSL) control has been widely studied to mitigate the congestion caused by lane closures at work zones. However, most VSL controllers are ...
Contrails have been considered one of the main factors of the aviation-induced climate impact. This paper deals with the formation of persistent contrails and ...