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 14 of 14 for “"aviation systems"”.
-
Building and Integrating an Information Security Trustworthiness Framework for Aviation Systems
<p>The aviation infrastructure is broadly composed of aircraft, air traffic control systems, airports and public airfields. Much attention has been given to physical security along the years this industry has been expanding; and now, in the new age of interconnection devices, a growing concern …
-
GaN Device Characterization, Converter Optimization and Development for Enhanced Aviation Systems
GaN device is one of the most promising candidates in high-efficiency and high-density power conversion applications. Due to the low ON-Resistance GaN devices are widely adopted in various soft-switching converters. Based on superior Baliga's Figure of Merit, GaN devices also have advantages over …
-
The Logistics Management Decision Support System (LMDSS) : an effective tool to reduce life cycle support costs of aviation systems
… to meet the information needs of Naval Air Systems Command (NAVAIR) logistics managers based on surveys of logistics managers and interviews with LMDSS program representatives. The LMDSS is being introduced as a tool to facilitate action by NAVAIR logistics managers to reduce the life cycle …
-
Machine Learning and Artificial Intelligence Methods for Cybersecurity Data within the Aviation Ecosystem
<p>Aviation cybersecurity research has proven to be a complex topic due to the intricate nature of the aviation ecosystem. Over the last two decades, research has been centered on isolated modules of the entire aviation systems, and it has lacked the state-of-the-art tools (e.g. ML/AI methods) that …
-
DPP: Dual Path PKI for Secure Aircraft Data Communication
Through application of modern technology, aviation systems are becoming more automated and are relying less on antiquated air traffic control (ATC) voice systems. Aircraft are now able to wirelessly broadcast and receive identity and location information using transponder technology. This helps …
-
Redefining Creep: A Comprehensive Analysis of Aviation Accident Survivability
… that occur on a daily basis around the world, aviation accidents are going to occur. The principles ensuring that an accident is as safe as possible are considered aircraft survivability or crashworthiness which is analyzed using the acronym CREEP; <strong>C</strong>ontainer, …
-
The climate impacts of high-speed rail and air transportation : a global comparative analysis
… simultaneously addressing the impact of these systems on our environment. This dissertation focuses on air transportation and high-speed rail (or "high-speed transportation"), a sector for which demand is projected to grow substantially, and for which infrastructure and vehicle investment …
-
Multi-Method Approach to Understand Pilot Performance in a Sociotechnical Aviation System
… examined human-machine performance in a General Aviation (GA) environment under dynamic conditions using a combination of field study and laboratory experimentation. Using this combination of methods, the functional system of pilots performing a landing approach (both instrument and visual) with …
-
Effects of stimulus class on short-term memory workload in complex information display formats
… in situations of elevated STM demand (e.g., aviation systems operations). In general, however, the results provide helpful information for visual display designers.
-
On Physics of Durable Ice Phobic Surfaces
… footprint on human daily lives ranging from aviation systems and infrastructures to energy systems, but creation of these surfaces for low-temperature applications remains elusive. Non-wetting, liquid-infused and hydrated surfaces have inspired routes for development of icephobic surfaces. …
-
Performance analysis of a reduced cost manufacturing process for composite aircraft secondary structure
… has been motivated by the industrial sponsor, GE Aviation Systems. Five combinations<br/>of raw material and processing techniques, manufacturing options (MOs) were considered in<br/>incremental steps from the baseline of unidirectional prepreg cured in an autoclave to the noncrimp<br/>fabric …
-
A Comparison of Pseudo 3-Dimensional Collision Avoidance-Predictor Displays for Free Flight
<p>This study was the second of two studies to evaluate the use of a pseudo three-dimensional display to present information about future possible conflicts. The purpose of this study was to evaluate variations of a cockpit screen display that transfers relevant data to the pilot in a manner which …
-
Dynamic Simulation of General Aviation Cabin Environments and Occupant Restraint Systems
<p>After a five year study of General Aviation (GA) accidents, the National Transportation Safety Board (NTSB) has concluded that aircraft cabin environments place the occupant at high risk of suffering severe injuries in an emergency crash situation. Studies of Federal Aviation Administration …
-
A Systemic Approach to Next Generation Infrastructure Data Elicitation and Planning Using Serious Gaming Methods
<p>Infrastructure systems are vital to the functioning of our society and economy. However, these systems are increasingly complex and are more interdependent than ever, making them difficult to manage. In order to respond to increasing demand, environmental concerns, and natural and man-made …