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 15 of 15 for “"Road Condition"”.
-
System Architecture for Weather, Road Condition, and Vehicle Data Telemetry via Low Bandwidth Radio Network
… how localized, real-time winter weather, road condition, and vehicle-related data gathered by mobile, vehicle-based systems can be used to more effectively maintain roads, reduce operating costs through more efficient road maintenance, and improve responsiveness and accuracy of safety …
-
Information collection algorithm for vehicular ad-hoc networks (application domain: Urban Traffic Wireless Vehicular Ad-Hoc Networks (VANETs))
… with (yet to be realized) potential to improve road safety, driving comfort and traffic control. In this research, we present a novel algorithm which is based on V2V communication, uses in-vehicle sensor information and in collaboration with the other vehicles' sensor information can detect road …
-
A Novel Road Grip Estimation Method Using a Vehicle as a Probe
Winter weather road maintenance has been a topic of discussion among many state Departments of Transportation (DoT) within the US and numerous countries across the globe. Several research efforts have been conducted with the common goal of making this seasonal activity more efficient and/or …
-
Living Circles Towards Green Travels: A Study on the Correlation Between Facility Layout and Travel Behavior
… density, scale, diversity, accessibility, and road condition). By three empirical studies, via mobile phone data from Tangshan and a regression-clustering methodology, the thesis reveals the influence mechanisms of facility layout on travel.
-
In-Situ Recycling: Applications, Guidelines, and Case Study for Local Governments
… based on: traffic characteristics, existing road condition, distress types, road access, local climate, road geometry, and other road characteristics. The guidelines are based on information from sources including NCHRP Synthesis 421, American Recycling and Reclamation Association (ARRA), …
-
Robust imitation learning from observation
… video clip shows each states (traffic signal, road condition, map navigation, etc.) the vehicle is in, but does not contain associated information about whether the driver steers left or right in this transition. To address these two issues, we propose an algorithm called Robust Imitation …
-
Development and estimation of traffic data-based operational measures for effective winter snow management
… and traffic mobility by creating adverse driving conditions including visibility impairments, reducing pavement friction, obstructed road facilities. Improving the effectiveness of the snow management requires an efficient assessment of the operational strategies with the data that can be directly …
-
Development of automatic vehicle headway control law and a simulation tool
… study all the objects, such as vehicle dynamics, road condition, motor dynamics, in this system interact with one another. A third-order nonlinear, Car-following, PID control law is designed using System Dynamics concept. System dynamics' simulation language DYNAMO and Spreadsheet are have been …
-
GIS-Based Pavement Maintenance Management Model for Local Roads in the UK
Roads represent a major long-term infrastructure investment. A well-managed and maintained road is therefore fundamental to the safety and availability of the road network as a whole. In carrying out pavement maintenance functions, Local Road Authorities face growing pressures arising from …
-
Shaping the future through Artificial Intelligent technologies to reduce vehicle accidents in Abu Dhabi
… assess the artificial intelligent approaches in road safety management. The quantitative data analysis was carried out using SPSS software and Microsoft Excel software. The study findings showed that the most common traffic problems on Abu Dhabi's roads include driver-related factors, vehicular …
-
Optimal tank design and directional dynamic analysis of liquid cargo vehicles under steering and braking
… corresponding to various liquid fill conditions. The performance potentials of the optimal tank configurations are initially evaluated in terms of the load transfer properties and static rollover threshold acceleration limit of a partly-filled tractor-semitrailer tank vehicle through …
-
The Application of Intelligent Tires and Model Base Estimation Algorithms in Tire-road Contact Characterization
… vehicle stability, accurate estimation of tire-road characteristics is of interest to all vehicle and tire companies. Many studies have been conducted in this field and researchers have used different tools and have proposed different algorithms. One such concept is the Intelligent Tire. The …
-
Measuring the Efficiency of Highway Maintenance Operations: Environmental and Dynamic Considerations
Highly deteriorated U.S. road infrastructure, major budgetary restrictions and the significant growth in traffic have led to an emerging need for improving efficiency and effectiveness of highway maintenance practices that preserve the road infrastructure so as to better support society's needs. …
-
Degenerate Near-planar Road Surface 3D Reconstruction and Automatic Defects Detection
… approach to reconstruct degenerate near-planar road surface in three-dimensional (3D) while automatically detect road defects. Three techniques are developed in this dissertation to establish the proposed approach. The first technique is proposed to reconstruct the degenerate near-planar road …
-
Multi-Bayesian Approach to Stochastic Feature Recognition in the Context of Road Crack Detection and Classification
… proposed approach is specifically formulated for road crack detection and characterization, which is one of the potential applications. For test images assessed with this technique, ground truth was estimated accurately and consistently with effective Bayesian correction, showing a 33% improvement …