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
- Semantic Scholar 2023 Article (IEEE Transactions on Aerospace and Electronic Systems)
Minimum-Time Trajectory Generation of eVTOL in Low-Speed Phase: Application in Control Law Design
With the emergence of electric propulsive technologies in the past decades, electric vertical takeoff and landing (eVTOL) aircraft gain increasing interest, which paves the path for advanced air mobility.
- FAA-affiliated R&D (MITRE / Volpe / FAA Tech Center) 2023 MITRE MITRE concept of operations
Advanced Air Mobility (AAM) Aerospace Corridor Concept of Operations
MITRE concept-of-operations document for Advanced Air Mobility corridors integrating eVTOL + traditional rotorcraft + UAS into existing TRACON / Class B airspace.
- AOPA Air Safety Institute 2023 AOPA-ASI Safety advisor
Safety Advisor: Fuel Awareness
AOPA Air Safety Institute safety advisor on preventing fuel-exhaustion and fuel-starvation accidents in general aviation. Covers pre-flight fuel planning, reserve requirements (14 CFR 91.151, 91.167), tank-management on …
- arXiv 2023 ARXIV arXiv preprint
Relay-based identification of Aerodynamic and Delay Sensor Dynamics with applications for Unmanned Aerial Vehicles
In this paper, we present a real-time system identification method based on relay feedback testing with applications to multirotor unmanned aerial vehicles.
- NASA NTRS 2023 LaRC Presentation
The In-time Aviation Safety Management System Concept for Part 135 Passenger and Cargo Operators
- arXiv 2023 ARXIV arXiv preprint
Polycrystallinity enhances stress build-up around ice
Damage caused by freezing wet, porous materials is a widespread problem, but is hard to predict or control. Here, we show that polycrystallinity makes a great difference to the stress build-up process that underpins this…
- Semantic Scholar 2023 Article (Ergonomics)
Integrating physiological monitoring systems in military aviation: a brief narrative review of its importance, opportunities, and risks
Abstract Military pilots risk their lives during training and operations. Advancements in aerospace engineering, flight profiles, and mission demands may require the pilot to test the safe limits of their physiology.
- arXiv 2023 ARXIV arXiv preprint
HAPS-UAV-Enabled Heterogeneous Networks: A Deep Reinforcement Learning Approach
The integrated use of non-terrestrial network (NTN) entities such as the high-altitude platform station (HAPS) and low-altitude platform station (LAPS) has become essential elements in the space-air-ground integrated net…
- arXiv 2023 ARXIV arXiv preprint
Adaptive Super-Twisting Controller Design for Accurate Trajectory Tracking Performance of Unmanned Aerial Vehicles
In this paper, an adaptive super-twisting controller is designed for an agile maneuvering quadrotor unmanned aerial vehicle to achieve accurate trajectory tracking in the presence of external disturbances.
- NASA NTRS 2023 JSC Conference Paper
Evolution of Hardware and Philosophy of Emergency Response Actions on the International Space Station and Future Spacecrafts
Human spaceflight is dangerous for numerous reasons. This ranges from the dynamic environment of launching on a rocket, flying in space among the thousands and thousands pieces of space debris, to the hazards of re-entry…
- arXiv 2023 ARXIV arXiv preprint
Adaptive Modified RISE Control for Quadrotors: Enhancing Trajectory Tracking Through Uncertainty Compensation
This paper presents an adaptive modified Robust Inverse of Signum Error (AM-RISE) control method, which achieves reliable trajectory tracking control for a quadrotor unmanned aerial vehicle.
- arXiv 2023 ARXIV arXiv preprint
A Data-Driven Model-Reference Adaptive Control Approach Based on Reinforcement Learning
Model-reference adaptive systems refer to a consortium of techniques that guide plants to track desired reference trajectories. Approaches based on theories like Lyapunov, sliding surfaces, and backstepping are typically…
- Semantic Scholar 2023 Article (BMC Nursing)
Effectiveness of a critical reflection competency program for clinical nurse educators: a pilot study
Background Critical reflection is an effective learning strategy that enhances clinical nurses’ reflective practice and professionalism.
- arXiv 2023 ARXIV arXiv preprint
Contact Angle Hysteresis on Rough Surfaces Part II: Energy Dissipation via Microscale Interface Dynamics
The wetting behaviour of surfaces is important for various applications like super-hydrophobic surfaces, enhanced oil recovery, mining of metal ores and anti-icing surfaces etc.
- arXiv 2023 ARXIV arXiv preprint
WIP: Federated Learning for Routing in Swarm Based Distributed Multi-Hop Networks
Unmanned Aerial Vehicles (UAVs) are a rapidly emerging technology offering fast and cost-effective solutions for many areas, including public safety, surveillance, and wireless networks.
- Semantic Scholar 2023 Article (Pilot and Feasibility Studies)
Exploring feasibility, perceptions of acceptability, and potential benefits of an 8-week yoga intervention delivered by videoconference for young adults affected by cancer: a single-arm hybrid effectiveness-implementation pilot study
Background Young adults affected by cancer face physical and psychological challenges and desire online supportive care. Yoga can be delivered online and may improve physical and psychological outcomes.
- arXiv 2023 ARXIV arXiv preprint
Inertia induces strong orientation fluctuations of non-spherical atmospheric particles
The orientation of non-spherical particles in the atmosphere, such as volcanic ash and ice crystals, influences their residence times, and the radiative properties of the atmosphere.
- arXiv 2023 ARXIV arXiv preprint
Connecting finite-time Lyapunov exponents with supersaturation and droplet dynamics in the bulk of a turbulent cloud
The impact of turbulent mixing on the droplet size distribution is studied deep inside a warm ice-free cloud. A simplified cloud mixing model was implemented therefore which summarizes the balance equations of water vapo…
- NASA NTRS 2023 ARC Reprint (Version printed in journal)
Fatigue, Schedules, Sleep, and Sleepiness in U.S. Commercial Pilots During COVID-19
Introduction: COVID-19 has had a significant impact on the aviation industry. While reduced flying capacity may intuitively translate to reduced fatigue risk by way of fewer flights and duty hours, the actual impact of t…
- Semantic Scholar 2023 Article
Safety Management Systems in Aviation
Contents: Foreword Preface Prologue - Quest Airlines Introduction to SMS History and evolution of safety Principles of quality management Hazards Risks Controls Taxonomies Process-based safety risk management/safety assu…
- Semantic Scholar 2023 Article (Safety)
SHIELD Human Factors Taxonomy and Database for Learning from Aviation and Maritime Safety Occurrences
Human factors (HF) in aviation and maritime safety occurrences are not always systematically analysed and reported in a way that makes the extraction of trends and comparisons possible in support of effective safety mana…
- arXiv 2023 ARXIV arXiv preprint
Solving Vehicle Routing Problem for unmanned heterogeneous vehicle systems using Asynchronous Multi-Agent Architecture (A-teams)
Fast moving but power hungry unmanned aerial vehicles (UAVs) can recharge on slow-moving unmanned ground vehicles (UGVs) to survey large areas in an effective and efficient manner.
- arXiv 2023 ARXIV arXiv preprint
Large-Scale Exploration of Cave Environments by Unmanned Aerial Vehicles
This paper presents a self-contained system for the robust utilization of aerial robots in the autonomous exploration of cave environments to help human explorers, first responders, and speleologists.
- arXiv 2023 ARXIV arXiv preprint
Bio-Inspired Compact Swarms of Unmanned Aerial Vehicles without Communication and External Localization
This article presents a unique framework for deploying decentralized and infrastructure-independent swarms of homogeneous aerial vehicles in the real world without explicit communication.
- arXiv 2023 ARXIV arXiv preprint
New Era in Cultural Heritage Preservation: Cooperative Aerial Autonomy
Digital documentation of large interiors of historical buildings is an exhausting task since most of the areas of interest are beyond typical human reach.
- arXiv 2023 ARXIV arXiv preprint
Probability of Line of Sight Evaluation in Urban Environments using 3D Simulator
The integration of Non-Terrestrial Networks (NTNs) into 6G networks is one of the most promising ways to achieve significant improvements in capacity, reliability, and global coverage.
- arXiv 2023 ARXIV arXiv preprint
Piecewise linear value function approximations in nonlinear dynamic scheduling problems with VTOLs
Modern vertical take-off and landing vehicles (VTOLs) could significantly affect the future of mobility. The broad range of their application fields encompasses urban air mobility, transportation and logistics as well as…
- arXiv 2023 ARXIV arXiv preprint
Stealthy Perception-based Attacks on Unmanned Aerial Vehicles
In this work, we study vulnerability of unmanned aerial vehicles (UAVs) to stealthy attacks on perception-based control. To guide our analysis, we consider two specific missions: ($i$) ground vehicle tracking (GVT), and …
- arXiv 2023 ARXIV arXiv preprint
An Integrated Real-time UAV Trajectory Optimization with Potential Field Approach for Dynamic Collision Avoidance
This paper presents an integrated approach that combines trajectory optimization and Artificial Potential Field (APF) method for real-time optimal Unmanned Aerial Vehicle (UAV) trajectory planning and dynamic collision a…
- arXiv 2023 ARXIV arXiv preprint
On SORA for High-Risk UAV Operations under New EU Regulations: Perspectives for Automated Approach
In this paper, we investigate requirements to prepare an application for Specific Operations Risk Assessment (SORA), regulated by European Union Aviation Safety Agency (EASA) to obtain flight authorization for Unmanned A…
- arXiv 2023 ARXIV arXiv preprint
LTE I/Q Data Set for UAV Propagation Modeling, Communication, and Navigation Research
Recently, unmanned aerial vehicles (UAVs) have been receiving significant attention due to their wide range of potential application areas.
- arXiv 2023 ARXIV arXiv preprint
Sea Water Freezing Modes in a Natural Convection System
Sea ice is crucial in many natural processes and human activities. Understanding the dynamical couplings between the inception, growth and equilibrium of sea ice and the rich fluid mechanical processes occurring at its i…
- Semantic Scholar 2023 Article (CEAS Aeronautical Journal)
Automotive safety approach for future eVTOL vehicles
The eVTOL industry is a rapidly growing mass market expected to start in 2024. eVTOL compete, caused by their predicted missions, with ground-based transportation modes, including mainly passenger cars.
- arXiv 2023 ARXIV arXiv preprint
RRT and Velocity Obstacles-based motion planning for Unmanned Aircraft Systems Traffic Management (UTM)
In this paper, an algorithm for Unmanned Aircraft Systems Traffic Management (UTM) for a finite number of unmanned aerial vehicles (UAVs) is proposed.
- Semantic Scholar 2023 Article (International Journal of Environmental Research and Public Health)
Effectiveness and Student Perceptions of Haptic Virtual Reality Simulation Training as an Instructional Tool in Pre-Clinical Paediatric Dentistry: A Pilot Pedagogical Study
Simulation training for invasive dental procedures is a core component of the pre-clinical dental curriculum. Besides conventional mannequin-based simulators, dental schools are now incorporating haptic virtual reality s…
- arXiv 2023 ARXIV arXiv preprint
A Dual-Cluster-Head Based Medium Access Control for Large-Scale UAV Ad-Hoc Networks
Unmanned Aerial Vehicle (UAV) ad hoc network has achieved significant growth for its flexibility, extensibility, and high deployability in recent years.
- arXiv 2023 ARXIV arXiv preprint
Reinforcement Learning based Autonomous Multi-Rotor Landing on Moving Platforms
Multi-rotor UAVs suffer from a restricted range and flight duration due to limited battery capacity. Autonomous landing on a 2D moving platform offers the possibility to replenish batteries and offload data, thus increas…
- arXiv 2023 ARXIV arXiv preprint
3D Trajectory Planning for UAV-based Search Missions: An Integrated Assessment and Search Planning Approach
The ability to efficiently plan and execute search missions in challenging and complex environments during natural and man-made disasters is imperative.
- Semantic Scholar 2023 Article (JMIR mHealth and uHealth)
Clinical Study of a Wearable Remote Rehabilitation Training System for Patients With Stroke: Randomized Controlled Pilot Trial
Background In contrast to the large and increasing number of patients with stroke, clinical rehabilitation resources cannot meet their rehabilitation needs.
- Semantic Scholar 2023 Article (Frontiers in Neuroergonomics)
A narrative review of the interconnection between pilot acute stress, startle, and surprise effects in the aviation context: Contribution of physiological measurements
Aviation remains one of the safest modes of transportation. However, an inappropriate response to an unexpected event can lead to flight incidents and accidents.
- arXiv 2023 ARXIV arXiv preprint
TinyLev Acoustically Levitated Water: Direct Observation of Collective, Inter-Droplet Effects through Morphological and Thermal Analysis of Multiple Droplets
Initially, the acoustic field forced the droplets into an oblate spheroid shape, though the counteracting force of the cooling stream caused them to circularize.
- arXiv 2023 ARXIV arXiv preprint
Interfacial Effects during Phase Change in Multiple Levitated Tetrahydrofuran Hydrate Droplets
In this study, using direct digital and infrared imaging techniques, the freezing of up to three simultaneous THF hydrate droplets was investigated for the first time.
- arXiv 2023 ARXIV arXiv preprint
Recent Advancements in Deep Learning Applications and Methods for Autonomous Navigation: A Comprehensive Review
This review article is an attempt to survey all recent AI based techniques used to deal with major functions in This review paper presents a comprehensive overview of end-to-end deep learning frameworks used in the conte…
- arXiv 2023 ARXIV arXiv preprint
Data-integrated uncertainty quantification for the performance prediction of iced airfoils
Airfoil icing is a severe safety hazard in aviation and causes power losses on wind turbines. The precise shape of the ice formation is subject to large uncertainties, so uncertainty quantification (UQ) is needed for a r…
- arXiv 2023 ARXIV arXiv preprint
UAV-Aided Post-Disaster Cellular Networks: A Novel Stochastic Geometry Approach
Motivated by the need for ubiquitous and reliable communications in post-disaster emergency management systems (EMSs), we hereby present a novel and efficient stochastic geometry (SG) framework.
- arXiv 2023 ARXIV arXiv preprint
Remote Identification Trajectory Coverage in Urban Air Mobility Applications
As Urban Air Mobility (UAM) and Advanced Air Mobility (AAM) continue to mature, a safety-critical system that will need to be implemented in tandem is Remote Identification (Remote ID) for uncrewed aircraft systems (UAS)…
- Semantic Scholar 2023 Article (Journal of Agrometeorology)
Enhancing livelihoods in farming communities through super-resolution agromet advisories using advanced digital agriculture technologies
Agricultural production in India is highly vulnerable to climate change. Transformational change to farming systems is required to cope with this changing climate to maintain food security, and ensure farming to remain e…
- arXiv 2023 ARXIV arXiv preprint
Smart 6G Sky for Green Mobile IOT Networks
6G is envisioned to connect everything and yet to be a hundred times more energy efficient than the 5G. Thanks for its ability to use sources of ambient energy, energy harvesting (EH) is promising in alleviating the chal…
- arXiv 2023 ARXIV arXiv preprint
Graph Learning Based Decision Support for Multi-Aircraft Take-Off and Landing at Urban Air Mobility Vertiports
Majority of aircraft under the Urban Air Mobility (UAM) concept are expected to be of the electric vertical takeoff and landing (eVTOL) vehicle type, which will operate out of vertiports.
- arXiv 2023 ARXIV arXiv preprint
A Perception-Aware NMPC for Vision-Based Target Tracking and Collision Avoidance with a Multi-Rotor UAV
A perception-aware Nonlinear Model Predictive Control (NMPC) strategy aimed at performing vision-based target tracking and collision avoidance with a multi-rotor aerial vehicle is presented in this paper.