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 20 of 32 for “"NextGen."”.
-
Component NextGen: A sound and expressive component framework for Java
Java has transformed mainstream software development by supporting clean object-oriented design, comprehensive static type checking, safe program execution, and an unprecedented degree of portability. Despite these significant achievements, the Java language has been handicapped as a vehicle for …
-
Analysis of Potential Wake Turbulence Encounters in Current and NextGen Flight Operations
… today's operations, and can also be used to test NextGen scenarios, such as Close Parallel Approaches and reduced in-trail separation flights. This thesis presents model enhancements to account for aircraft turning maneuvers, giving the wake a more realistic shape. Three major airspaces, New York, …
-
Measuring Change in PM2.5 Emissions as Nextgen Operational Procedures are Implemented at Large U.S. Airports
… known to negatively impact human health. The NextGen program has a focus on reducing aviation fuel burn. Since PM is a direct byproduct of jet fuel combustion, this study evaluated whether the operational procedures implemented as a part of NextGen can be correlated with measurable reductions …
-
An assessment of environmental impacts of a nextGen implementation scenario and its implications on policy-making
With demand for aviation projected to grow by 5% per year over the next 20 to 25 years, policy makers must not only consider ways to ensure that the air transportation system can accomodate significant growth, but also how their policy decisions will affect the environment. Because environmental …
-
Understanding the impact of potential best-equipped, best-served policies on the en-route air traffic controller performance and workload
… in Next Generation Air Transportation system (NextGen) will increase the system capacity to accommodate the expected growth in the air traffic. One of the key enablers of the NextGen capabilities is advanced onboard equipage of the aircraft. During the transition to NextGen, aircraft with …
-
A Computational Model of Jetliner Taxiing
The Next Generation Air Transportation System (NextGen) is transforming the way planes move on the ground as well as in the sky. Some of the proposed changes, such as automated scheduling algorithms to generate taxi clearances and speed-based taxi clearances, require thorough testing to ensure …
-
A Computer Model to Predict Potential Wake Turbulence Encounters in the National Airspace
… Airspace System and with the introduction of NextGen technologies, the wake vortex problem has become more important for airport capacity and the en-route air traffic operations. The vortices generated by heavy and super heavy aircraft can generate potential hazards to other aircraft on nearby …
-
Modeling, Simulation, and Optimization of Advanced Air Traffic Procedures to Improve Oceanic Flights
… the Next Generation Air Transportation System (NextGen). The goal of NextGen is to increase the safety, efficiency, capacity, predictability, and resiliency of American Air Traffic Control (ATC) by implementing satellite-based communication, and navigation systems. Because of the vast oceanic …
-
System dynamics analysis of incentives for Automatic Dependent Surveillance Broadcast (ADS-B) equipage
… the Next Generation Air Transportation System (NextGen). One of the NextGen technologies currently under development is Automatic Dependent Surveillance - Broadcast (ADS-B), which is a new satellite-based surveillance technology. In order to achieve the adoption of ADS-B, equipage by aircraft …
-
QUANTITATIVE SAFETY ASSESSMENT OF AIR TRAFFIC CONTROL SYSTEMS THROUGH SYSTEM CONTROL CAPACITY
… of revolutionary ATC overhauls like NextGen and SESAR. QSA of ATC systems are however challenged by system complexity and lack of accident data.
-
Experimental studies of cognitively based air traffic control complexity metrics for future operational concepts
… in Next Generation Air Transportation System (NextGen) will change controllers' tasks, roles, and responsibilities. However, cognitive complexity will remain one of the limiting factors in future system's capacity and none of existing complexity metrics can be directly extended to evaluate …
-
Integration of automated decision aids with a prototype air traffic control interface in support of time-based surface operations
… the Next Generation Air Transportation System (NextGen) will necessarily require new types of air traffic control automation to support advanced procedures. In addition, existing forms of automation will need to be enhanced to reduce controller workload in support of these new procedures. It is …
-
Exploration of the future enterprise system architecture of the Japanese-origin high-speed railway in Texas.
… Generation National Household Travel Survey (NextGen NHTS). LODES data offers insights into workers’ transportation patterns and potential ridership, supporting current estimates but indicating areas for refinement. NextGen NHTS data aids in more precise travel demand modeling. The thesis …
-
Automatic Dependant Surveillance-Broadcast Training
… The Next Generation Air Traffic Control System (NextGen) in order to handle this increase in traffic. One of the key elements to NextGen is the transition from the current ground based radar monitoring system to a satellite based system using the Automatic Dependent Surveillance - Broadcast …
-
Comparative Genomics Insights into Speciation and Evolution of Hawaiian Drosophila
… genomic scaffolds onto chromosomes, based on NextGen sequencing from chromosomal microdissections (Chapter 4), and gene expression profiles of backcross hybrids and their parental forms (Chapter 5). Overall, obtained results were used to address such fundamental questions as the role of …
-
Computational Techniques Applied to RNA Structures and Bacterial Genomes
… with atomic resolution structures and/or NextGen sequencing. In this dissertation, three separate studies are described in which modern computational methodologies play a key role. The first case is a model system that seeks to understand how complexity might arise in a prebiotic RNA World …
-
A Systemic Approach to Next Generation Infrastructure Data Elicitation and Planning Using Serious Gaming Methods
… to Next Generation Air Transportation System (NextGen). The implemented methodology yielded a comprehensive safety assessment and data generation mechanism, embracing the social and technical aspects of the NAS transformation for the next 15 years.</p>
-
Comparison of methods for evaluating impacts of aviation noise on communities
… to the noise concentration from precise NextGen Performance-Based Navigation (PBN) aircraft arrival and departure procedures poses a significant threat to the future of these procedures in the U.S. National Airspace System. A substantial number of complaints concerning airport noise come …
-
A Naturalistic Study of Long-term Working Memory Capacity for Meaningful Visual and Auditory Stimuli
… could hold implications for the design of NextGen air traffic control products and systems in other complex work domains. These results could shed light on display design for those systems by suggesting which information can or should be displayed within an aircraft's data tag and which can …
-
Onboard Aircraft Traffic Tracking Algorithm to Support Conflict Detection and Resolution using Multi-sensor Data Integration and Integrity Monitoring
… next generation air traffic management system (NextGen), there is a potential need for an advanced aircraft tracking system. This thesis introduces a new aircraft traffic-tracking algorithm for surveillance applications that integrates sensory information from several avionics sensors such as …
Page 1 of 2