Browsing ETDs: Virginia Tech Electronic Theses and Dissertations by Author "Abbas, Montasir M."
Now showing items 1-20 of 82
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Airport Performance Metrics Analysis: Application to Terminal Airspace, Deicing, and Throughput
(Virginia Tech, 2022-06-08)The Federal Aviation Administration (FAA) is continuously assessing the operational performance of the National Airspace System (NAS), where they analyze trends in the aviation industry to help develop strategies for a ... -
Analysis of Potential Wake Turbulence Encounters in Current and NextGen Flight Operations
(Virginia Tech, 2011-01-31)Wake vortices pose a threat to a following aircraft, because they can induce a roll and compromise the safety of everyone on board. Caused by a difference in pressure between the upper and the lower part of the wings, these ... -
Application of Deep Learning in Intelligent Transportation Systems
(Virginia Tech, 2019-02-01)The rapid growth of population and the permanent increase in the number of vehicles engender several issues in transportation systems, which in turn call for an intelligent and cost-effective approach to resolve the problems ... -
Application of Naturalistic Truck Driving Data to Analyze and Improve Car Following Models
(Virginia Tech, 2011-12-02)This research effort aims to compare car-following models when the models are calibrated to individual drivers with the naturalistic data. The models used are the GHR, Gipps, Intelligent Driver, Velocity Difference, ... -
Assessment of Vehicle-to-Vehicle Communication based Applications in an Urban Network
(Virginia Tech, 2015-06-23)Connected Vehicle research has emerged as one of the highest priorities in the transportation systems because connected vehicle technology has the potential to improve safety, mobility, and environment for the current ... -
Aviation Global Demand Forecast Model Development: Air Transportation Demand Distribution and Aircraft Fleet Evolution
(Virginia Tech, 2017-09-08)The Portfolio Analysis Management Office (PAMO) for the Aeronautics Research Mission Directorate (ARMD) at NASA Headquarters tasked the Systems Analysis and Concepts Directorate at NASA Langley to combine efforts with ... -
Bluetooth based dynamic critical route volume estimation on signalized arterials
(Virginia Tech, 2011-09-09)Bluetooth Data collection technique is recently proven as a reliable data collection technique that provides the opportunity to modify traditional methodologies to improve system performance. Actual volume in the network ... -
Calibration and Comparison of the VISSIM and INTEGRATION Microscopic Traffic Simulation Models
(Virginia Tech, 2008-09-05)Microscopic traffic simulation software have gained significant popularity and are widely used both in industry and research mainly because of the ability of these tools to reflect the dynamic nature of the transportation ... -
Characterization of High Porosity Drainage Layer Materials for M-E Pavement Design
(Virginia Tech, 2015-02-12)The objective of this study is to characterize the properties of typically adopted drainage layer materials in VA, OK, and ID. A series of laboratory tests have been conducted to quantify the volumetric properties, ... -
Co-Location Decision Tree for Enhancing Decision-Making of Pavement Maintenance and Rehabilitation
(Virginia Tech, 2011-01-17)A pavement management system (PMS) is a valuable tool and one of the critical elements of the highway transportation infrastructure. Since a vast amount of pavement data is frequently and continuously being collected, ... -
A comparison of driving characteristics and environmental characteristics using factor analysis and k-means clustering algorithm
(Virginia Tech, 2012-08-10)The dissertation aims to classify drivers based on driving and environmental behaviors. The research determined significant factors using factor analysis, identified different driver types using k-means clustering, and ... -
A Computer Model to Estimate Benefits of Data Link Mandates and Reduced Separations across North Atlantic Organized Track System
(Virginia Tech, 2013-01-04)The International Civil Aviation Organization (ICAO) proposed to introduce new operational strategies across the North Atlantic (NAT) airspace. This includes Minimum Navigation Performance Specifications (MNPS) airspace ... -
A Computer Model to Estimate Commercial Aviation Fuel Consumption and Emissions in the Continental United States
(Virginia Tech, 2013-01-03)A comprehensive model is developed to estimate and predict the fuel consumption and emissions by domestic commercial aviation in the Continental United States. Most of the existing fuel consumption and emission models are ... -
A Computer Model to Predict Potential Wake Turbulence Encounters in the National Airspace
(Virginia Tech, 2015-02-13)With an increasing population of super heavy aircraft operating in the National Airspace System and with the introduction of NextGen technologies, the wake vortex problem has become more important for airport capacity and ... -
Development and Applications of Multi-Objectives Signal Control Strategy during Oversaturated Conditions
(Virginia Tech, 2012-08-10)Managing traffic during oversaturated conditions is a current challenge for practitioners due to the lack of adequate tools that can handle such situations. Unlike under-saturated conditions, operation of traffic signal ... -
Development of a High-Speed Rail Model to Study Current and Future High-Speed Rail Corridors in the United States
(Virginia Tech, 2011-05-31)A model that can be used to analyze both current and future high-speed rail corridors is presented in this work. This model has been integrated into the Transportation Systems Analysis Model (TSAM). The TSAM is a model ... -
Development of Aircraft Wake Vortex Dynamic Separations Using Computer Simulation and Modeling
(Virginia Tech, 2018-06-29)This dissertation presents a research effort to evaluate wake vortex mitigation procedures and technologies in order to decrease aircraft separations, which could result in a runway capacity increase. Aircraft separation ... -
Development of an Aircraft Landing Database and Models to Estimate Aircraft Runway Occupancy Times
(Virginia Tech, 2020-09-04)This dissertation represents the methodologies used to develop an aircraft landing database and predictive models for estimating arrival flight runway occupancy times. In the second chapter, all the algorithms developed ... -
Development of Optimal Migration Plan for New Traffic Signal Controllers Using Gis and Multi-Criteria Decision Making
(Virginia Tech, 2010-07-01)Signal Replacement decisions are often made based on the experience of the Traffic Engineers. These decisions are made while considering the deployment time of the system, the new technology available, and the performance ... -
Development of Sustainable Traffic Control Principles for Self-Driving Vehicles: A Paradigm Shift Within the Framework of Social Justice
(Virginia Tech, 2014-08-22)Developments of commercial self-driving vehicle (SDV) technology has a potential for a paradigm shift in traffic control technology. Contrary to some previous research approaches, this research argues that, as any other ...
