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Academia · 5,559 papers
Aviation research, sourced & cited.
Curated index of aviation-relevant research from NASA NTRS, NTSB safety studies, FAA CAMI, and academic sources. Every record links back to its original — we don't host PDFs, we describe each paper and credit the authors. Built for cross-link with the rest of Atlas: search by topic, drill into a CFR section or airframe and see the research that bears on it.
5,559 matches
- arXiv 2021 ARXIV arXiv preprint
V2X Communication Between Connected and Automated Vehicles (CAVs) and Unmanned Aerial Vehicles (UAVs)
Connectivity between ground vehicles can be utilized and expanded to include aerial vehicles for coordinated missions. Using Vehicle-to-Everything (V2X) communication technologies, a communication link can be established…
- AOPA Air Safety Institute 2021 AOPA-ASI Accident case study
Accident Case Study: Shaken
Accident case study on a runway-loss-of-control event at a non-towered airport. Reconstructs wind conditions, gust factor, and crosswind technique decision tree. Discusses go-around criteria for unstable approaches.
- NASA NTRS 2021 ARC Accepted Manuscript (Version with final changes)
Go-Around Criteria Refinement for Transport Category Aircraft
Presently, airline pilots are trained to go around if, when lower than 500 ft above the ground, they are outside of a handful of parameters such as airspeed, position, and rate of descent.
- arXiv 2021 ARXIV arXiv preprint
Path Planning for Cellular-Connected UAV: A DRL Solution with Quantum-Inspired Experience Replay
In cellular-connected unmanned aerial vehicle (UAV) network, a minimization problem on the weighted sum of time cost and expected outage duration is considered.
- arXiv 2021 ARXIV arXiv preprint
Machine Learning Methods for Management UAV Flocks -- a Survey
The development of unmanned aerial vehicles (UAVs) has been gaining momentum in recent years owing to technological advances and a significant reduction in their cost.
- arXiv 2021 ARXIV arXiv preprint
Equilibrium states of the ice-water front in a differentially heated rectangular cell
We study the conductive and convective states of phase-change of pure water in a rectangular container where two opposite walls are kept respectively at temperatures below and above the freezing point and all the other b…
- NASA NTRS 2021 ARC Presentation
Pilot Workload is Associated with Long Duty Days and Multiple Flight Legs
Pilot workload is a real concern throughout aviation, especially in short-haul operations due to short flights and multiple flight legs.
- arXiv 2021 ARXIV arXiv preprint
A stochastic model for the turbulent ocean heat flux under Arctic sea ice
The physics of planetary climate features a variety of complex systems that are challenging to model as they feature turbulent flows. A key example is the heat flux from the upper ocean to the underside of sea ice which …
- arXiv 2021 ARXIV arXiv preprint
Responsive Regulation of Dynamic UAV Communication Networks Based on Deep Reinforcement Learning
In this chapter, the regulation of Unmanned Aerial Vehicle (UAV) communication network is investigated in the presence of dynamic changes in the UAV lineup and user distribution.
- arXiv 2021 ARXIV arXiv preprint
Large-eddy Simulations of the Atmospheric Boundary Layer over an Alpine Glacier: Impact of Synoptic Flow Direction and Governing Processes
The mass balance of mountain glaciers is of interest for several applications (local hydrology or climate projections), and turbulent fluxes can be an important contributor to glacier surface mass balance during strong m…
- Semantic Scholar 2021 Article (Brain Injury)
Cognitive fatigue in traumatic brain injury: a pilot study comparing state and trait fatigue
ABSTRACT Objective Cognitive fatigue is a common and disabling symptom following a traumatic brain injury (TBI). Literature on cognitive fatigue has distinguished between two types of fatigue: “state” fatigue refers to t…
- arXiv 2021 ARXIV arXiv preprint
Comparing the Performance of Traffic Coordination Methods for Advanced Aerial Mobility
Traffic Management in Advanced Aerial Mobility (AAM) inherits many elements of conventional Air Traffic Management (ATM), but brings new complexities and challenges of its own.
- arXiv 2021 ARXIV arXiv preprint
Decentralized Air Traffic Management for Advanced Air Mobility
Leading proposals for Advanced Air Mobility (AAM) recognize the need for strategic and tactical airspace deconfliction, where the need for coordination appears in different forms and nuances.
- arXiv 2021 ARXIV arXiv preprint
QoS-Oriented Sensing-Communication-Control Co-Design for UAV-Enabled Positioning
Unmanned aerial vehicle (UAV)-enabled positioning that uses UAVs as aerial anchor nodes is a promising solution for providing positioning services in harsh environments.
- arXiv 2021 ARXIV arXiv preprint
$\mathcal{L}_1$ Adaptive Control with Switched Reference Models: Application to Learn-to-Fly
Learn-to-Fly (L2F) is a new framework that aims to replace the traditional iterative development paradigm for aerial vehicles with a combination of real-time aerodynamic modeling, guidance, and learning control.
- Semantic Scholar 2021 Article (Environmental Progress & Sustainable Energy)
Calculation and analysis of pollutants during takeoff and landing based on airborne data
This study adopts the calculation method of reducing pollutant emission during flight based on the flight record data from Nantong to Chengdu.
- arXiv 2021 ARXIV arXiv preprint
Networks of UAVs of Low-Complexity for Time-Critical Localization
Future networks of unmanned aerial vehicles (UAVs) will be tasked to carry out ever-increasing complex operations that are time-critical and that require accurate localization performance (e.g., tracking the state of a m…
- arXiv 2021 ARXIV arXiv preprint
Differentiable Moving Horizon Estimation for Robust Flight Control
Estimating and reacting to external disturbances is of fundamental importance for robust control of quadrotors. Existing estimators typically require significant tuning or training with a large amount of data, including …
- arXiv 2021 ARXIV arXiv preprint
Scheduling Aerial Vehicles in an Urban Air Mobility Scheme
Highly populated cities face several challenges, one of them being the intense traffic congestion. In recent years, the concept of Urban Air Mobility has been put forward by large companies and organizations as a way to …
- arXiv 2021 ARXIV arXiv preprint
Axisymmetric simulations of the convective overstability in protoplanetary discs
Protoplanetary discs at certain radii exhibit adverse radial entropy gradients that can drive oscillatory convection (`convective overstability'; COS).
- NASA NTRS 2021 ARC Video
Bowtie Analysis of the Effects of Unmanned Aircraft on Air Traffic Control
Within the aviation domain, there is a growing industry demand to develop and integrate remotely piloted operations into the National Airspace System.
- NASA NTRS 2021 ARC Video
A Cognitive Walkthrough of Multiple Drone Delivery Operations
Advances of early twenty-first century aviation and transportation technologies provide opportunities for enhanced aerial projects, and the overall integration of unmanned aircraft systems (UAS) into the National Airspac…
- NASA NTRS 2021 ARC Conference Paper
A Cognitive Walkthrough of Multiple Drone Delivery Operations
Advances of early twenty-first century aviation and transportation technologies provide opportunities for enhanced aerial projects, and the overall integration of unmanned aircraft systems (UAS) into the National Airspac…
- NASA NTRS 2021 ARC Other - Article for the American Airlines Safety Preflight newsletter
NASA Ames Fatigue Countermeasures Laboratory and AA FRMS - A Working Relationship
American Airlines and NASA Ames Research Center have a long-standing partnership to conduct human factors fatigue research in airline operations.
- arXiv 2021 ARXIV arXiv preprint
UAV Trajectory Planning in Wireless Sensor Networks for Energy Consumption Minimization by Deep Reinforcement Learning
Unmanned aerial vehicles (UAVs) have emerged as a promising candidate solution for data collection of large-scale wireless sensor networks (WSNs).
- arXiv 2021 ARXIV arXiv preprint
Autonomous UAV Base Stations for Next Generation Wireless Networks: A Deep Learning Approach
To address the ever-growing connectivity demands of wireless communications, the adoption of ingenious solutions, such as Unmanned Aerial Vehicles (UAVs) as mobile Base Stations (BSs), is imperative.
- Semantic Scholar 2021 Article (BMC Sports Science, Medicine and Rehabilitation)
Effectiveness and safety of a simple home-based rehabilitation program in pulmonary arterial hypertension: an interventional pilot study
Background Rehabilitation plays an important role in the management of patients with pulmonary arterial hypertension (PAH) and current guidelines recommend implementation of a monitored individualized exercise training p…
- arXiv 2021 ARXIV arXiv preprint
Collision-free Formation Control of Multiple Nano-quadrotors
The utilisation of unmanned aerial vehicles has witnessed significant growth in real-world applications including surveillance tasks, military missions, and transportation deliveries.
- arXiv 2021 ARXIV arXiv preprint
An augmented Lagrangian algorithm for recovery of ice thickness in unidirectional flow using the Shallow Ice Approximation
A key parameter in ice flow modelling is basal slipping at the ice-bed interface as it can have a large effect on the resultant ice thickness.
- arXiv 2021 ARXIV arXiv preprint
Conflict-Free Four-Dimensional Path Planning for Urban Air Mobility Considering Airspace Occupations
Urban air mobility (UAM) has attracted the attention of aircraft manufacturers, air navigation service providers and governments in recent years.
- arXiv 2021 ARXIV arXiv preprint
An Efficient and Statistically Accurate Lagrangian Data Assimilation Algorithm with Applications to Discrete Element Sea Ice Models
Lagrangian data assimilation of complex nonlinear turbulent flows is an important but computationally challenging topic. In this article, an efficient data-driven statistically accurate reduced-order modeling algorithm i…
- Semantic Scholar 2021 Article (Annals of Physical and Rehabilitation Medicine)
Cognitive behavioural therapy versus health education for sleep disturbance and fatigue after acquired brain injury: a pilot randomised trial.
CBT-SF can be an effective treatment option for sleep disturbance and fatigue after ABI, over and above HE, and may provide delayed benefit for sleep, possibly by improving mood.
- arXiv 2021 ARXIV arXiv preprint
A Tethered Quadrotor UAV$-$Buoy System for Marine Locomotion
Unmanned aerial vehicles (UAVs) are finding their way into offshore applications. In this work, we postulate an original system that entails a marine locomotive quadrotor UAV that manipulates the velocity of a floating b…
- arXiv 2021 ARXIV arXiv preprint
Multi-Agent Belief Sharing through Autonomous Hierarchical Multi-Level Clustering
Coordination in multi-agent systems is challenging for agile robots such as unmanned aerial vehicles (UAVs), where relative agent positions frequently change due to unconstrained movement.
- NTSB Aircraft Accident Reports 2021 NTSB Accident report
Crash of Atlas Air Flight 3591, Boeing 767-300 (N1217A)
Atlas Air 3591 crashed into Trinity Bay, Texas, February 23, 2019. Investigation of the in-flight loss-of-control crash of Atlas Air 3591 into Trinity Bay, Texas.
- arXiv 2021 ARXIV arXiv preprint
Adaptive dynamic programming-based adaptive-gain sliding mode tracking control for fixed-wing UAV with disturbances
This paper proposes an adaptive dynamic programming-based adaptive-gain sliding mode control (ADP-ASMC) scheme for a fixed-wing unmanned aerial vehicle (UAV) with matched and unmatched disturbances.
- arXiv 2021 ARXIV arXiv preprint
UAV Control Optimization via Decentralized Markov Decision Processes
Unmanned aerial vehicle (UAV) swarm control has applications including target tracking, surveillance, terrain mapping, and precision agriculture.
- arXiv 2021 ARXIV arXiv preprint
Turbulent kinetic energy dissipation from colliding ice floes
Increased knowledge about wave attenuation processes in sea ice, and hence atmosphere-wave-ice-ocean energy transfer, is necessary to improve sea ice dynamics models used for climate modeling and offshore applications.
- arXiv 2021 ARXIV arXiv preprint
Multi-Modal Motion Planning Using Composite Pose Graph Optimization
In this paper, we present a motion planning framework for multi-modal vehicle dynamics. Our proposed algorithm employs transcription of the optimization objective function, vehicle dynamics, and state and control constra…
- Semantic Scholar 2021 Article (BMC Neurology)
Home-based light therapy for fatigue following acquired brain injury: a pilot randomized controlled trial
Background and objectives Fatigue and sleep disturbance are debilitating problems following brain injury and there are no established treatments.
- arXiv 2021 ARXIV arXiv preprint
Noise Tolerant Identification and Tuning Approach Using Deep Neural Networks For Visual Servoing Applications
Vision based control of Unmanned Aerial Vehicles (UAVs) has been adopted by a wide range of applications due to the availability of low-cost on-board sensors and computers.
- arXiv 2021 ARXIV arXiv preprint
Lubricated axisymmetric gravity currents of power-law fluids
The motion of glaciers over their bedrock or drops of fluid along a solid surface can become unstable when these substrates are lubricated.
- arXiv 2021 ARXIV arXiv preprint
Capacity-Constrained Urban Air Mobility Scheduling
This paper studies the problem of scheduling urban air mobility trips when travel times are uncertain and capacity at destinations is limited.
- arXiv 2021 ARXIV arXiv preprint
Base Station Antenna Uptilt Optimization for Cellular-Connected Drone Corridors
The concept of drone corridors is recently getting more attention to enable connected, safe, and secure flight zones in the national airspace.
- arXiv 2021 ARXIV arXiv preprint
Precoder Design for Physical-Layer Security and Authentication in Massive MIMO UAV Communications
Supporting reliable and seamless wireless connectivity for unmanned aerial vehicles (UAVs) has recently become a critical requirement to enable various different use cases of UAVs.
- arXiv 2021 ARXIV arXiv preprint
Aerial Map-Based Navigation Using Semantic Segmentation and Pattern Matching
This paper proposes a novel approach to map-based navigation system for unmanned aircraft. The proposed system attempts label-to-label matching, not image-to-image matching, between aerial images and a map database.
- arXiv 2021 ARXIV arXiv preprint
Formal verification of octorotor flight envelope using barrier functions and SMT solving
This paper introduces an approach for formally verifying the safety of the flight controller of an octorotor platform. Our method involves finding regions of the octorotor's state space that are considered safe, and whic…
- AOPA Air Safety Institute 2021 AOPA-ASI Safety advisor
Safety Advisor: Mountain Flying
Safety advisor on mountain flying technique: density altitude effects on takeoff and climb performance, downdraft and mountain-wave avoidance, canyon-turn technique, and route-planning for terrain clearance.
- arXiv 2021 ARXIV arXiv preprint
Increasing stable time-step sizes of the free-surface problem arising in ice-sheet simulations
Numerical models for predicting future ice-mass loss of the Antarctic and Greenland ice sheet requires accurately representing their dynamics.
- arXiv 2021 ARXIV arXiv preprint
Model Predictive Control for Trajectory Tracking on Differentiable Manifolds
We consider the problem of bridging the gap between geometric tracking control theory and implementation of model predictive control (MPC) for robotic systems operating on manifolds.