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 2020 ARXIV arXiv preprint
Lifetime Maximization for UAV-assisted Data Gathering Networks in the Presence of Jamming
Deployment of unmanned aerial vehicles (UAVs) is recently getting significant attention due to a variety of practical use cases, such as surveillance, data gathering, and commodity delivery.
- arXiv 2020 ARXIV arXiv preprint
Stereo Vision for Unmanned Aerial VehicleDetection, Tracking, and Motion Control
An innovative method of detecting Unmanned Aerial Vehicles (UAVs) is presented. The goal of this study is to develop a robust setup for an autonomous multi-rotor hunter UAV, capable of visually detecting and tracking the…
- Embry-Riddle Scholarly Commons 2020 ERAU Industry report (AQRR)
Airline Quality Rating 2020
To contribute to AQR 2020, we encourage you to take the Airline Passenger Survey. Please CLICK HERE. The results of the 30th annual national Airline Quality Rating (AQR).
- arXiv 2020 ARXIV arXiv preprint
Partial-State Feedback Multivariable MRAC and Reduced-Order Designs
This paper develops a new model reference adaptive control (MRAC) framework using partial-state feedback for solving a multivariable adaptive output tracking problem.
- arXiv 2020 ARXIV arXiv preprint
Modelling iceberg capsize in the open ocean
At near-grounded glacier termini, calving can lead to the capsize of kilometer-scale unstable icebergs. The transient contact force applied by the capsizing iceberg on the glacier front generates seismic waves that propa…
- Semantic Scholar 2020 Article
“Old” and “new” safety thinking: Perspectives of aviation safety investigators
Abstract The development of various safety paradigms over time has led to public discussions that tend to highlight a dichotomy between the so-called “old” and “new” safety thinking.
- Semantic Scholar 2020 Article (International Journal of Environmental Research and Public Health)
Evidence-Based Integrated Intervention in Patients with Schizophrenia: A Pilot Study of Feasibility and Effectiveness in a Real-World Rehabilitation Setting
Impairment in real-world functioning remains one of the most problematic challenges that people with schizophrenia have to face. Various psychosocial interventions have proven to be effective in promoting recovery and im…
- Semantic Scholar 2020 Article
Sum-of-Squares Flight Control Synthesis for Deep-Stall Recovery
Certification of inflight loss-of-control recovery is complicated by the highly nonlinear flight dynamics beyond stall. In lieu of extensive Monte Carlo simulations for flight control certification...
- NASA NTRS 2020 ARC Video
Introduction to Air Traffic Management
The presentation introduces students and faculty to air traffic management with focus on air traffic data for data-science. Starting with the common attributes of transportation systems — highway transportation, air tran…
- Semantic Scholar 2020 Article (Journal of Neurology)
Neural mechanisms underlying state mental fatigue in multiple sclerosis: a pilot study
- arXiv 2020 ARXIV arXiv preprint
Frozen Patterns of Impacted Droplets: From Conical Tips to Toroidal Shapes
We report frozen patterns for the water droplets impacting on a cold substrate through fast-speed images. These patterns can be manipulated by several physical parameters (the droplet size, falling height, and substrate …
- arXiv 2020 ARXIV arXiv preprint
Requirements and Technologies Towards UAM: Communication, Navigation, and Surveillance
Urban air mobility (UAM) is a concept for creating an airborne transportation system that operates in urban settings with an on-board pilot and/or remote pilot in command (RPIC), or with a fully autonomous architecture.
- arXiv 2020 ARXIV arXiv preprint
Flight Control of Sliding Arm Quadcopter with Dynamic Structural Parameters
The conceptual design and flight controller of a novel kind of quadcopter are presented. This design is capable of morphing the shape of the UAV during flight to achieve position and attitude control.
- arXiv 2020 ARXIV arXiv preprint
Limitations in the determination of surface emission distributions on comets through modelling of observational data -- A case study based on Rosetta observations
The European Space Agency's (ESA) Rosetta mission has returned a vast data set of measurements of the inner gas coma of comet 67P/Churyumov-Gerasimenko.
- Semantic Scholar 2020 Article (Pilot and Feasibility Studies)
Assessing the effectiveness of a comprehensive menstrual health intervention program in Ugandan schools (MENISCUS): process evaluation of a pilot intervention study
Background Poor menstrual health and hygiene (MHH) is a globally recognised public health challenge. A pilot study of an MHH intervention was conducted in two secondary schools in Entebbe, Uganda, over 9 months.
- arXiv 2020 ARXIV arXiv preprint
Vision based hardware-software real-time control system for autonomous landing of an UAV
In this paper we present a vision based hardware-software control system enabling autonomous landing of a multirotor unmanned aerial vehicle (UAV).
- NASA NTRS 2020 ARC Presentation
Introduction to Air Traffic Management
The presentation introduces students and faculty to air traffic management with focus on air traffic data for data-science. Starting with the common attributes of transportation systems — highway transportation, air tran…
- NTSB Safety Studies 2020 NTSB Safety study
Risk Factors Associated With Weather-Related General Aviation Accidents (2003–2017)
Examines the leading causes of weather-related general aviation accidents over a 15-year period. Identifies continued-VFR-into-IMC, in-flight icing, and turbulence/wind shear as the dominant risk drivers and recommends s…
- Semantic Scholar 2020 Article (Brain, behavior, and immunity)
Pilot Study of Combined Aerobic and Resistance Exercise on Fatigue for Patients with Head and Neck Cancer: Inflammatory and Epigenetic Changes
This pilot study examined whether a combined aerobic resistance exercise program reduced fatigue and the potential inflammatory and epigenetic mechanisms in patients with head and neck cancer (HNC) receiving intensity-mo…
- Semantic Scholar 2020 Article (Applied Sciences)
A System-Level Failure Propagation Detectability Using ANFIS for an Aircraft Electrical Power System
The Electrical Power System (EPS) in an aircraft is designed to interact extensively with other systems. With a growing trend towards more electric aircraft, the complexity of interactions between the EPS and other syste…
- arXiv 2020 ARXIV arXiv preprint
Solidification of a rivulet: shape and temperature fields
The freezing of a water rivulet begins with a water thread flowing over a very cold surface, is naturally followed by the growth of an ice layer and ends up with a water rivulet flowing on a static thin ice wall.
- arXiv 2020 ARXIV arXiv preprint
Real-time System Identification Using Deep Learning for Linear Processes with Application to Unmanned Aerial Vehicles
This paper proposes a novel parametric identification approach for linear systems using Deep Learning (DL) and the Modified Relay Feedback Test (MRFT).
- arXiv 2020 ARXIV arXiv preprint
Optimal UAV Deployment for Rate Maximization in IoT Networks
We consider multiple unmanned aerial vehicles (UAVs) at a common altitude serving as data collectors to a network of IoT devices. First, using a probabilistic line of sight channel model, the optimal assignment of IoT de…
- arXiv 2020 ARXIV arXiv preprint
Autonomous Cooperative Flight Control for Airship Swarms
This work investigates two approaches for the design of autonomous cooperative flight controllers for airship swarms. The first controller is based on formation flight and the second one is based on swarm intelligence st…
- arXiv 2020 ARXIV arXiv preprint
FAST-Hex -- A Morphing Hexarotor: Design, Mechanical Implementation, Control and Experimental Validation
We present FAST-Hex, a micro aerial hexarotor platform that allows to seamlessly transit from an under-actuated to a fully-actuated configuration with only one additional control input, a motor that synchronously tilts a…
- arXiv 2020 ARXIV arXiv preprint
On the ice-nucleating potential of warm hydrometeors in mixed-phase clouds
The question whether or not the presence of warm hydrometeors in clouds may play a significant role in the nucleation of new ice particles has been debated for several decades.
- arXiv 2020 ARXIV arXiv preprint
Energy-Aware Stochastic UAV-Assisted Surveillance
With the ease of deployment, capabilities of evading the jammers and obscuring their existence, unmanned aerial vehicles (UAVs) are one of the most suitable candidates to perform surveillance.
- Semantic Scholar 2020 Article (PLoS ONE)
A resilience group training program for people with multiple sclerosis: Results of a pilot single-blind randomized controlled trial and nested qualitative study
Introduction An Australian case series study demonstrated the effectiveness of the REsilience and Activities for every DaY for people with multiple sclerosis (READY for MS), a resilience group training program based on A…
- Semantic Scholar 2020 Article (Journal of Applied Sport Psychology)
Mindfulness training for a college team: Feasibility, acceptability, and effectiveness from within an athletic department
Abstract Mindfulness-based interventions for athletes—including Mindful Sport Performance Enhancement (MSPE)—have demonstrated promising results.
- arXiv 2020 ARXIV arXiv preprint
Control and Trajectory Optimization for Soft Aerial Manipulation
Manipulation and grasping with unmanned aerial vehicles (UAVs) currently require accurate positioning and are often executed at reduced speed to ensure successful grasps.
- Semantic Scholar 2020 Article (Advanced Engineering Informatics)
Real-time anomaly detection framework using a support vector regression for the safety monitoring of commercial aircraft
Abstract The development of an automated health monitoring framework is critical for aviation system safety, especially considering the expected increase in air traffic over the next decade.
- arXiv 2020 ARXIV arXiv preprint
Nonlinear Attitude Estimation for Small UAVs with Low Power Microprocessors
Among algorithms used for sensor fusion for attitude estimation in unmanned aerial vehicles, the Extended Kalman Filter (EKF) is the most commonly used for estimation.
- arXiv 2020 ARXIV arXiv preprint
H2 Optimized PID Control of Quad-Copter Platform with Wind Disturbance
Proportional-Integral-Derivative (PID) scheme is the most commonly used algorithm for designing the controllers for unmanned aerial vehicles (UAVs). However, tuning PID gains is a non trivial task.
- arXiv 2020 ARXIV arXiv preprint
Avoiding collisions at any (low) cost: ADS-B like position broadcast for UAVs
Unmanned Aerial Vehicles (UAVs), a.k.a. drones, are increasingly used for different tasks. With more drones in the sky, the risk of accidents rises, sparkling the need for conflict management solutions.
- arXiv 2020 ARXIV arXiv preprint
Implementation of Survivor Detection Strategies Using Drones
Survivors stranded during floods tend to seek refuge on dry land. It is important to search for these survivors and help them reach safety as quickly as possible.
- arXiv 2020 ARXIV arXiv preprint
RTLola Cleared for Take-Off: Monitoring Autonomous Aircraft
The autonomous control of unmanned aircraft is a highly safety-critical domain with great economic potential in a wide range of application areas, including logistics, agriculture, civil engineering, and disaster recover…
- arXiv 2020 ARXIV arXiv preprint
Robust Adaptive Control Barrier Functions: An Adaptive & Data-Driven Approach to Safety (Extended Version)
A new framework is developed for control of constrained nonlinear systems with structured parametric uncertainties. Forward invariance of a safe set is achieved through online parameter adaptation and data-driven model e…
- arXiv 2020 ARXIV arXiv preprint
XTDrone: A Customizable Multi-Rotor UAVs Simulation Platform
A customizable multi-rotor UAVs simulation platform based on ROS, Gazebo and PX4 is presented. The platform, which is called XTDrone, integrates dynamic models, sensor models, control algorithm, state estimation algorith…
- arXiv 2020 ARXIV arXiv preprint
Adaptive Nonlinear Control of Fixed-Wing VTOL with Airflow Vector Sensing
Fixed-wing vertical take-off and landing (VTOL) aircraft pose a unique control challenge that stems from complex aerodynamic interactions between wings and rotors.
- arXiv 2020 ARXIV arXiv preprint
Robust tracking of an unknown trajectory with a multi-rotor UAV: A high-gain observer approach
We study a trajectory tracking problem for a multi-rotor in the presence of modeling error and external disturbances. The desired trajectory is unknown and generated from a reference system with unknown or partially know…
- arXiv 2020 ARXIV arXiv preprint
UAV-to-Device Underlay Communications: Age of Information Minimization by Multi-agent Deep Reinforcement Learning
In recent years, unmanned aerial vehicles (UAVs) have found numerous sensing applications, which are expected to add billions of dollars to the world economy in the next decade.
- arXiv 2020 ARXIV arXiv preprint
Internally heated porous convection: an idealised model for Enceladus' hydrothermal activity
Recent planetary data and geophysical modelling suggest that hydrothermal activity is ongoing under the ice crust of Enceladus, one of Saturn's moons.
- arXiv 2020 ARXIV arXiv preprint
On the Localization of Unmanned Aerial Vehicles with Cellular Networks
Localization plays a key role for safe operation of UAVs enabling beyond visual line of sight applications. Compared to GPS based localization, cellular networks can reduce the positioning error and cost since cellular c…
- arXiv 2020 ARXIV arXiv preprint
Activation energies of water molecular dynamics and Stokes-Einstein equation
An analysis of the values and signs of the activation energies of temperature dependences (TDs) of the self-diffusion coefficient (D) and dynamic viscosity (η) in the range from 0 °C to 100 °C confirmed that the molecula…
- arXiv 2020 ARXIV arXiv preprint
Degenerate states, emergent dynamics and fluid mixing by magnetic rotors
We investigate the collective motion of magnetic rotors suspended in a viscous fluid under an uniform rotating magnetic field. The rotors are positioned on a square lattice, and low Reynolds hydrodynamics is assumed.
- arXiv 2020 ARXIV arXiv preprint
UWB-based system for UAV Localization in GNSS-Denied Environments: Characterization and Dataset
Small unmanned aerial vehicles (UAV) have penetrated multiple domains over the past years. In GNSS-denied or indoor environments, aerial robots require a robust and stable localization system, often with external feedbac…
- arXiv 2020 ARXIV arXiv preprint
How ice grows from premelting films and water droplets
Close to the triple point, the surface of ice is covered by a thin liquid layer (so-called quasi-liquid layer) which crucially impacts growth and melting rates.
- Semantic Scholar 2020 Article (Journal of NeuroEngineering and Rehabilitation)
Adaptive conjunctive cognitive training (ACCT) in virtual reality for chronic stroke patients: a randomized controlled pilot trial
Current evidence for the effectiveness of post-stroke cognitive rehabilitation is weak, possibly due to two reasons. First, patients typically express cognitive deficits in several domains.
- arXiv 2020 ARXIV arXiv preprint
UAV Coverage Path Planning under Varying Power Constraints using Deep Reinforcement Learning
Coverage path planning (CPP) is the task of designing a trajectory that enables a mobile agent to travel over every point of an area of interest.
- arXiv 2020 ARXIV arXiv preprint
Implementation of a Natural User Interface to Command a Drone
In this work, we propose the use of a Natural User Interface (NUI) through body gestures using the open source library OpenPose, looking for a more dynamic and intuitive way to control a drone.