Research papers
5,883 papers · NASA NTRS, NTSB, FAA CAMI
NASA NTRS · 1,269 NTSB Safety Studies · 12 NTSB Aircraft Accident Reports · 17 Embry-Riddle Scholarly Commons · 1,993
5,883 matches
- arXiv 2023 ARXIV arXiv preprint
Circular objects do not melt the slowest in water
We report on the melting dynamics of ice suspended in fresh water and subject to natural convective flows. Using direct numerical simulations we investigate the melt rate of ellipsoidal objects for $2.32\times 10^4 \leq …
- arXiv 2023 ARXIV arXiv preprint
Resonant stratification in Titan's global ocean
Titan's ice shell floats on top of a global ocean revealed by the large tidal Love number $k_2 = 0.616\pm0.067$ registered by Cassini.
- arXiv 2023 ARXIV arXiv preprint
Effects of electrostatic interaction on clustering and collision of bidispersed inertial particles in homogeneous and isotropic turbulence
In sandstorms and thunderclouds, turbulence-induced collisions between solid particles and ice crystals lead to inevitable triboelectrification.
- arXiv 2023 ARXIV arXiv preprint
Detection and Mitigation of Position Spoofing Attacks on Cooperative UAV Swarm Formations
Detecting spoofing attacks on the positions of unmanned aerial vehicles (UAVs) within a swarm is challenging. Traditional methods relying solely on individually reported positions and pairwise distance measurements are i…
- arXiv 2023 ARXIV arXiv preprint
Freezing of sessile droplet and frost halo formation
The freezing of a sessile droplet unveils fascinating physics, characterised by the emergence of a frost halo on the underlying substrate, the progression of the liquid-ice interface, and the formation of a cusp-like mor…
- arXiv 2023 ARXIV arXiv preprint
RL-Based Cargo-UAV Trajectory Planning and Cell Association for Minimum Handoffs, Disconnectivity, and Energy Consumption
Unmanned aerial vehicle (UAV) is a promising technology for last-mile cargo delivery. However, the limited on-board battery capacity, cellular unreliability, and frequent handoffs in the airspace are the main obstacles t…
- arXiv 2023 ARXIV arXiv preprint
Evaluating eVTOL Network Performance and Fleet Dynamics through Simulation-Based Analysis
Urban Air Mobility (UAM) represents a promising solution for future transportation. In this study, we introduce VertiSim, an advanced event-driven simulator developed to evaluate e-VTOL transportation networks.
- arXiv 2023 ARXIV arXiv preprint
Multi-rotor Aerial Vehicles in Physical Interactions: A Survey
Research on Multi-rotor Aerial Vehicles (MAVs) has experienced remarkable advancements over the past two decades, propelling the field forward at an accelerated pace.
- Semantic Scholar 2023 Article (Frontiers in Medicine)
Markers of oxidative stress during post-COVID-19 fatigue: a hypothesis-generating, exploratory pilot study on hospital employees
Introduction Post-COVID-19 fatigue is common after recovery from COVID-19. Excess formation of reactive oxygen species (ROS) leading to oxidative stress-related mitochondrial dysfunction is referred to as a cause of thes…
- arXiv 2023 ARXIV arXiv preprint
Coverage Explorer: Coverage-guided Test Generation for Cyber Physical Systems
Given the safety-critical functions of autonomous cyber-physical systems (CPS) across diverse domains, testing these systems is essential.
- NTSB Aircraft Accident Reports 2023 NTSB Accident report
In-Flight Separation of Wings Involving Cessna 401 Pilot Owner
In-flight breakup of a Cessna 401 over Decatur, GA, July 2018. The NTSB determined that fatigue cracking in the lower spar cap propagated to critical length undetected through the inspection program.
- Semantic Scholar 2023 Article (Safety Science)
Leveraging eye-tracking technologies to promote aviation safety- A review of key aspects, challenges, and future perspectives
- Semantic Scholar 2023 Article (Reliability Engineering & System Safety)
Bayesian network model of aviation safety: Impact of new communication technologies on mid-air collisions
- Semantic Scholar 2023 Article (2023 Global Conference on Information Technologies and Communications (GCITC))
Aviation Safety Enhancement via NLP & Deep Learning: Classifying Flight Phases in ATSB Safety Reports
Aviation safety is paramount, demanding precise analysis of safety occurrences during different flight phases. This study employs Natural Language Processing (NLP) and Deep Learning models, including LSTM, CNN, Bidirecti…
- AOPA Air Safety Institute 2023 AOPA-ASI Annual report (Nall Report)
32nd Joseph T. Nall Report — General Aviation Accidents in 2021
32nd annual Nall Report covering U.S. general aviation accident statistics for 2021. Documents a continued reduction in fixed-wing GA fatal accident rates and persistent risk concentration in maneuvering flight, takeoff/…
- SKYbrary (Eurocontrol) 2023 SKYBRARY SKYbrary article
Wake Vortex Turbulence — SKYbrary Knowledge Base
SKYbrary wake vortex turbulence comprehensive article — generation mechanics, dissipation factors, separation standards (ICAO LIGHT/MEDIUM/HEAVY/SUPER + recategorisation RECAT-EU).
- arXiv 2023 ARXIV arXiv preprint
Validation of Collision Detection and Avoidance Methods for Urban Air Mobility through Simulation
Urban Air Mobility is a new concept of regional aviation that has been growing in popularity as a solution to the issue of ever-increasing ground traffic.
- NASA NTRS 2023 ARC Presentation
Managing Maintenance Error: Six Lessons From Aviation Maintenance
There are clear parallels between the ground processing of spacecraft and the maintenance of airline aircraft. In both cases, reliable human performance is critical to safe outcomes.
- arXiv 2023 ARXIV arXiv preprint
On transitions in water wave propagation through consolidated to broken sea ice covers
A theoretical model is used to study water waves propagating into and through a region containing thin floating ice, for ice covers transitioning from consolidated (large floe sizes) to fully broken (small floe sizes).
- arXiv 2023 ARXIV arXiv preprint
Europa's ocean translates interior tidal heating patterns to the ice-ocean boundary
The circulation in Europa's ocean determines the degree of thermal, mechanical and chemical coupling between the ice shell and the silicate mantle.
- arXiv 2023 ARXIV arXiv preprint
Towards a Standardized Reinforcement Learning Framework for AAM Contingency Management
Advanced Air Mobility (AAM) is the next generation of air transportation that includes new entrants such as electric vertical takeoff and landing (eVTOL) aircraft, increasingly autonomous flight operations, and small UAS…
- arXiv 2023 ARXIV arXiv preprint
Visual Environment Assessment for Safe Autonomous Quadrotor Landing
Autonomous identification and evaluation of safe landing zones are of paramount importance for ensuring the safety and effectiveness of aerial robots in the event of system failures, low battery, or the successful comple…
- arXiv 2023 ARXIV arXiv preprint
Frozen Cheerios effect: Particle-particle interaction induced by an advancing solidification front
Particles at liquid interfaces have the tendency to cluster due to capillary forces competing with gravitational buoyancy (i.e., normal to the distorted free surface). This is known as the Cheerios effect.
- arXiv 2023 ARXIV arXiv preprint
Unified incremental nonlinear controller for the transition control of a hybrid dual-axis tilting rotor quad-plane
Overactuated Tilt Rotor Unmanned Aerial Vehicles are renowned for exceptional wind resistance and a broad operational range, which poses complex control challenges due to non-affine dynamics.
- arXiv 2023 ARXIV arXiv preprint
Wake Interference Effects on Flapping Dynamics of Elastic Inverted Foil
Using high-fidelity simulations, we study the self-induced flapping dynamics of an inverted elastic foil when it is placed in tandem with a stationary circular cylinder.
- SKYbrary (Eurocontrol) 2023 SKYBRARY SKYbrary article
Runway Incursion — SKYbrary Knowledge Base
SKYbrary runway incursion review — taxonomy (operational error, vehicle/pedestrian, pilot deviation), severity categories A-D, mitigation technologies (ASDE-X, ASSC, RAAS, RIAAS). Cross-references Tenerife + Comair 5191.
- Semantic Scholar 2023 Article (The International Journal of Aerospace Psychology)
Are Peer Support Programs Effective in the Detection and Prevention of Mental Health Issues in Commercial Aviation?
ABSTRACT Background In the aftermath of the Germanwings crash in 2015, several regulations have been instituted around pilots’ mental health issues and flight safety.
- arXiv 2023 ARXIV arXiv preprint
Geometric Tracking Control of a Multi-rotor UAV for Partially Known Trajectories
This paper presents a trajectory-tracking controller for multi-rotor unmanned aerial vehicles (UAVs) in scenarios where only the desired position and heading are known without the higher-order derivatives.
- arXiv 2023 ARXIV arXiv preprint
Vertiport Navigation Requirements and Multisensor Architecture Considerations for Urban Air Mobility
Communication, Navigation and Surveillance (CNS) technologies are key enablers for future safe operation of drones in urban environments.
- arXiv 2023 ARXIV arXiv preprint
Challenges in Controllers on UAV Aircraft: Theory and Practice
This review explores the theoretical foundations and experimental dynamics of modern tiltrotor aircraft. Emphasizing feedback linearization, the study delves into the distinctive constraints and angular velocity ranges s…
- arXiv 2023 ARXIV arXiv preprint
Geometric and Feedback Linearization on UAV: Review
The pervasive integration of Unmanned Aerial Vehicles (UAVs) across multifarious domains necessitates a nuanced understanding of control methodologies to ensure their optimal functionality.
- Semantic Scholar 2023 Article (Scientific Reports)
Aircraft trajectory prediction and aviation safety in ADS-B failure conditions based on neural network
With the rapid expansion of transportation demand, the number of global flights has rapidly increased, which also poses challenges to air traffic management (ATM).
- arXiv 2023 ARXIV arXiv preprint
A Miniature Non-Uniform Conformal Antenna Array Using Fast Synthesis for Wide-Scan UAV Application
To overcome the limited payload of lightweight vehicles such as unmanned aerial vehicle (UAV) and the aerodynamic constraints on the onboard radar, a compact nonuniform conformal array is proposed in order to achieve a w…
- arXiv 2023 ARXIV arXiv preprint
Multi-Agent Reinforcement Learning for the Low-Level Control of a Quadrotor UAV
By leveraging the underlying structures of the quadrotor dynamics, we propose multi-agent reinforcement learning frameworks to innovate the low-level control of a quadrotor, where independent agents operate cooperatively…
- arXiv 2023 ARXIV arXiv preprint
Reliable and Efficient Data Collection in UAV-based IoT Networks
Internet of Things (IoT) involves sensors for monitoring and wireless networks for efficient communication. However, resource-constrained IoT devices and limitations in existing wireless technologies hinder its full pote…
- arXiv 2023 ARXIV arXiv preprint
Autonomous Advanced Aerial Mobility -- An End-to-end Autonomy Framework for UAVs and Beyond
Developing aerial robots that can both safely navigate and execute assigned mission without any human intervention - i.e., fully autonomous aerial mobility of passengers and goods - is the larger vision that guides the r…
- arXiv 2023 ARXIV arXiv preprint
Risk Management of Unmanned Aerial Vehicles
This paper presents an efficient risk management model for unmanned aerial vehicles or UAVs. Our proposed risk management establishes a cyclic model with a continuous and iterative structure that is very adaptable to agi…
- arXiv 2023 ARXIV arXiv preprint
Inhibition of water vapor condensation by dipropylene glycol droplets on hydrophobic surfaces via vapor sink strategy
Condensation, frosting and icing are natural phenomena, and have been enduring challenges for human society and modern engineering. These phenomena pose a range of issues, from hazardous icy road surfaces, damage to elec…
- arXiv 2023 ARXIV arXiv preprint
Segmentation of Drone Collision Hazards in Airborne RADAR Point Clouds Using PointNet
The integration of unmanned aerial vehicles (UAVs) into shared airspace for beyond visual line of sight (BVLOS) operations presents significant challenges but holds transformative potential for sectors like transportatio…
- arXiv 2023 ARXIV arXiv preprint
Suppression of water vapor condensation by glycerol droplets on hydrophobic surfaces
Vapor sink is an effective strategy to suppress the formation of water vapor condensation around hygroscopic materials, and consequently reduce frosting and icing.
- arXiv 2023 ARXIV arXiv preprint
Control of convertible UAV with vectorized thrust
This paper is an addition to an article previously published by three of the authors that addresses the control of convertible fixed-wing aircraft with vectorized thrust.
- arXiv 2023 ARXIV arXiv preprint
Race Against the Machine: a Fully-annotated, Open-design Dataset of Autonomous and Piloted High-speed Flight
Unmanned aerial vehicles, and multi-rotors in particular, can now perform dexterous tasks in impervious environments, from infrastructure monitoring to emergency deliveries.
- NASA NTRS 2023 LaRC Conference Paper
A Meta-Analytic Approach to Investigating the Relationship Between Human-Automation Trust and Attention Allocation
Trust and attention allocation are pivotal determinants in human-automation interaction. However, there are scarce empirical findings regarding the relationship between trust and attention allocation.
- Semantic Scholar 2023 Article (Defence Science Journal)
Human Error Management in Aviation Maintenance using Hybrid FMEA with a Novel Fuzzy Approach
Human errors significantly contribute to aviation accidents during aircraft maintenance. Therefore, managing human errors becomes a critical aspect of aviation maintenance.
- arXiv 2023 ARXIV arXiv preprint
Experiencing Urban Air Mobility: How Passengers evaluate a simulated flight with an Air Taxi
For the successful development and implementation of novel concepts and technology, the acceptance of potential users is crucial. Therefore, within the project HorizonUAM of the German Aerospace Center (DLR), we investig…
- Semantic Scholar 2023 Article (Italian National Conference on Sensors)
Illuminating the Neural Landscape of Pilot Mental States: A Convolutional Neural Network Approach with Shapley Additive Explanations Interpretability
Predicting pilots’ mental states is a critical challenge in aviation safety and performance, with electroencephalogram data offering a promising avenue for detection.
- FAA-affiliated R&D (MITRE / Volpe / FAA Tech Center) 2023 MITRE MITRE technical report
NextGen Performance Snapshots 2023
MITRE Center for Advanced Aviation System Development (CAASD) NextGen Performance Snapshots — annual review of NextGen program benefits realization.
- arXiv 2023 ARXIV arXiv preprint
The Moving Discontinuous Galerkin Method with Interface Condition Enforcement for the Simulation of Hypersonic, Viscous Flows
The moving discontinuous Galerkin method with interface condition enforcement (MDG-ICE) is a high-order, r-adaptive method that treats the grid as a variable and weakly enforces the conservation law, constitutive law, an…
- Flight Safety Foundation 2023 FSF FSF / AeroSafety World
Barometric Altimeter Setting Errors at Transition Altitude — A Global Snapshot
Foundation + MITRE study of altimeter mis-setting events at the transition altitude — both QNE/QNH and metric/imperial conversion errors.
- NASA NTRS 2023 LaRC Reprint (Version printed in journal)
Finite Element Simulation of Three Full-Scale Crash Tests for Cessna 172 Aircraft
The NASA Emergency Locator Transmitter Survivability and Reliability project was initiated in 2013 to assess the crash performance standards for the next generation of emergency locator transmitter (ELT) systems.