Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 12 of 12 for “"Probe vehicle"”.
-
Dynamic estimation of travel time on arterial roads by using automatic vehicle location (AVL) bus as a vehicle probe
… this research concenturates on using Automatic Vehicle Location (AVL) system equipped bus as a probe vehicle for estimating bus arrival times and auto travel times. Since many transit organizations throughout the North America are currently operating these AVL buses on their bus routes, in a …
-
Exploring the Considerations of School Zone Speed Control in Traffic Signal Timing
… to develop a data-driven methodology based on probe vehicle trajectory data to explore and quantify the influence of school zone speed control, which can then identify the needs and considerations to adjust traffic signal timing. Traffic signal timing performance is generally evaluated using …
-
Microscopic Control Delay Modeling at Signalized Arterials Using Bluetooth Technology
… Bluetooth traffic data synchronized with vehicle trajectory plot generated from GPS probe vehicle runs has been used to develop control delay models which has a potential to predict the control delays in real-time based on Bluetooth detection error parameters in field. Incorporating …
-
Analysis of the Use of Probe Vehicles for Road Infrastructure Data Analysis
… the concept of using sensors found in normal vehicles, also known as probe vehicles, to collect road infrastructure data. This concept was demonstrated by measuring vertical acceleration using in-vehicle sensors in order to describe road ride quality. Data collection was performed at the …
-
Elucidation of chemically-induced transdermal transport processes
… ester (RBHE), a model hydrophobic fluorescent probe, and of sulforhodamine B (SRB), a model hydrophilic fluorescent probe, based on a sampling of 4 to 6 different skin sites per skin sample. The fluorescent probe intensity profiles, that capture the fluorescent probe concentrations as a …
-
Evaluating Transportation Network Mobility and Enhancing Traffic Signal Operations Performance Using Probe Data and Connected Vehicle Technology
… unobtainable large high-fidelity data, such as probe data and connected vehicle (CV) data, can now be utilized to address many challenges related to transportation systems. This dissertation investigates various research and practical oriented applications for such emerging transportation data …
-
Evaluation of Travel Time Estimates Derived From Automatic Vehicle Identification Tags in San Antonio, TX
… several aspects of the San Antonio automated vehicle identification (AVI) system, including the reliability and accuracy of the AVI system, travel tag level of market penetration (LMP) trends, and a comparison of aggregated travel time values with probe vehicle travel time values. This thesis …
-
Connected Vehicle Technology: User and System Performance Characteristics
The emerging connected vehicle (CV) technology plays a promising role in providing more operable and safer transportation environments. Yet, many questions remain unanswered as to how various user and system characteristics of CV-enabled networks can shape the successful implementation of the …
-
Dynamic Connected Automated Vehicle Trajectory and Traffic Signal Timing Optimization
… traffic signalized networks by optimizing both vehicle and traffic signal operations. From the vehicle side, the research develops a Green Light Optimal Speed Advisory (GLOSA) system also known as an Eco-Cooperative Adaptive Cruise Control system at intersections (ECO-CACC-I) for fixed and …
-
Methodologies and Applications of Data Coordinate Conversion for Roadside LiDAR
… including traffic data collection, autonomous vehicles, and connected vehicles. Compared with traditional methods, LiDAR can provide high-resolution-micro-traffic data (HRMTD) for all road users without being affected by the light condition. Unlike the macro data collected by traditional …
-
Link travel time estimation based on connected vehicle probe data
… AT AUTHOR'S REQUEST.] Connected vehicle technology is a wireless system to support communication for enhancing safety and mobility. The thesis proposes a single-link connected vehicle probe data (CVPD) model to estimate travel time on urban arterials. This research applies VISSIM …