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 2021 Article (IEEE Transactions on Cognitive and Developmental Systems)
Performance-Based Iterative Learning Control for Task-Oriented Rehabilitation: A Pilot Study in Robot-Assisted Bilateral Training
Active participation from human subjects can enhance the effectiveness of robot-assisted rehabilitation. Developing interactive control strategies for customized assistance is therefore essential for encouraging human–ro…
- NASA NTRS 2021 LaRC Conference Paper
Use of Design of Experiments in Determining Neural Network Architectures for Loss of Control Detection
We describe empirical methods for selecting a neural network architecture to implement belief state inference on generic commercial transport aircraft.
- arXiv 2021 ARXIV arXiv preprint
An investigation into the turbulence induced by moving ice floes
Several phenomena are known to attenuate waves in the marginal ice zone, such as wave scattering due to ice floes, viscous dissipation inside the ice and energy dissipation caused by ice floe interactions.
- arXiv 2021 ARXIV arXiv preprint
Robust Control Co-Design with Receding-Horizon MPC
Control co-design (CCD) is a technique for improving the closed-loop performance of systems through the coordinated design of both plant parameters and an optimal control policy.
- arXiv 2021 ARXIV arXiv preprint
Visual Servoing Approach for Autonomous UAV Landing on a Moving Vehicle
Many aerial robotic applications require the ability to land on moving platforms, such as delivery trucks and marine research boats. We present a method to autonomously land an Unmanned Aerial Vehicle on a moving vehicle…
- NASA NTRS 2021 LaRC Conference Paper
Use of Design of Experiments and Rule-Based Inference in Determining Neural Network Architectures for Loss of Control Detection
In this work, we describe methods for selecting the neural network architectures and input spaces to implement belief state inference on generic commercial transport aircraft.
- NASA NTRS 2021 LaRC Contractor Report (CR)
Bell Unmanned Aircraft Systems Integration and Operationalization (SIO) Demonstration: Final Report, Summary of Research
National Aeronautics and Space Administration (NASA) initiated the Unmanned Aircraft Systems Integration and Operationalization (SIO) demonstration as a partnership between NASA and Industry with the goal of accelerating…
- arXiv 2021 ARXIV arXiv preprint
A computational fluid dynamics model for the small-scale dynamics of wave, ice floe and interstitial grease ice interaction
The marginal ice zone is a highly dynamical region where sea ice and ocean waves interact. Large-scale sea ice models only compute domain-averaged responses.
- arXiv 2021 ARXIV arXiv preprint
An Integrated Mechanical Intelligence and Control Approach Towards Flight Control of Aerobat
Our goal in this work is to expand the theory and practice of robot locomotion by addressing critical challenges associated with the robotic biomimicry of bat aerial locomotion.
- arXiv 2021 ARXIV arXiv preprint
Predicting Demand for Air Taxi Urban Aviation Services using Machine Learning Algorithms
This research focuses on predicting the demand for air taxi urban air mobility (UAM) services during different times of the day in various geographic regions of New York City using machine learning algorithms (MLAs).
- Semantic Scholar 2021 Article (Pilot and Feasibility Studies)
Feasibility of using a biofeedback device in mindfulness training - a pilot randomized controlled trial
Background Stress can negatively impact an individual’s health and well-being and high levels of stress are noted to exist among college students today.
- arXiv 2021 ARXIV arXiv preprint
A High-Gain Observer Approach to Robust Trajectory Estimation and Tracking for a Multi-rotor UAV
Using the context of trajectory estimation and tracking for multi-rotor unmanned aerial vehicles (UAVs), we explore the challenges in applying high-gain observers to highly dynamic systems.
- arXiv 2021 ARXIV arXiv preprint
Resolvent analysis on the origin of two-dimensional transonic buffet
Resolvent analysis is performed to identify the origin of two-dimensional transonic buffet over an airfoil. The base flow for the resolvent analysis is the time-averaged flow over a NACA 0012 airfoil at a chord-based Rey…
- arXiv 2021 ARXIV arXiv preprint
Model Based Control of Commercial-Off-TheShelf (COTS) Unmanned Rotorcraft for BrickWall Construction
This work proposes a systematic framework for modelling and controller design of a Commercial-Off-The Shelf (COTS) unmanned rotorcraft using control theory and principles, for brick wall construction.
- arXiv 2021 ARXIV arXiv preprint
Autonomous Flight in Unknown GNSS-denied Environments for Disaster Examination
Micro aerial vehicles (MAVs) have high potential for information gathering tasks to support situation awareness in search and rescue scenarios.
- Semantic Scholar 2021 Article (Scientific Reports)
Cloud icing by mineral dust and impacts to aviation safety
Ice particles in high-altitude cold clouds can obstruct aircraft functioning. Over the last 20 years, there have been more than 150 recorded cases with engine power-loss and damage caused by tiny cloud ice crystals, whic…
- arXiv 2021 ARXIV arXiv preprint
Fully Onboard AI-powered Human-Drone Pose Estimation on Ultra-low Power Autonomous Flying Nano-UAVs
Artificial intelligence-powered pocket-sized air robots have the potential to revolutionize the Internet-of-Things ecosystem, acting as autonomous, unobtrusive, and ubiquitous smart sensors.
- Semantic Scholar 2021 Article (Safety Science)
Examining the most accident-prone sector within commercial aviation: Why do accidents with light inland helicopters occur, and how can we improve safety?
Abstract Light inland helicopter has for several years been the most accident-prone sector within commercial aviation, with a more than 10 times higher accident risk than offshore helicopters.
- Semantic Scholar 2021 Article (Neurodegenerative Disease Management)
Understanding the influence of pain and fatigue on physical performance, fear of falling and falls in people with Parkinson's disease: a pilot study.
Objective: Pain and fatigue are highly prevalent debilitating symptoms in Parkinson's disease (PD), however, their relationship with physical performance, fear of falling (FOF) and falls is not clear.
- arXiv 2021 ARXIV arXiv preprint
Passenger-Centric Urban Air Mobility: Fairness Trade-Offs and Operational Efficiency
Urban Air Mobility (UAM) has the potential to revolutionize transportation. It will exploit the third dimension to help smooth ground traffic in densely populated areas.
- arXiv 2021 ARXIV arXiv preprint
Onset of glacier tables
A glacier table consists of a rock supported by a slender column of ice and form naturally on glaciers. We investigate the onset of their formation at a smaller scale in a controlled environment.
- arXiv 2021 ARXIV arXiv preprint
Formation Control for UAVs Using a Flux Guided Approach
Existing studies on formation control for unmanned aerial vehicles (UAV) have not considered encircling targets where an optimum coverage of the target is required at all times.
- arXiv 2021 ARXIV arXiv preprint
Asymptotic Analysis of Subglacial Plumes in Stratified Environments
Accurate predictions of basal melt rates on ice shelves are necessary for precise projections of the future behaviour of ice sheets. The computational expense associated with completely resolving the cavity circulation u…
- arXiv 2021 ARXIV arXiv preprint
Robotics During a Pandemic: The 2020 NSF CPS Virtual Challenge -- SoilScope, Mars Edition
Remote sample recovery is a rapidly evolving application of Small Unmanned Aircraft Systems (sUAS) for planetary sciences and space exploration.
- arXiv 2021 ARXIV arXiv preprint
Predictive energy management for hybrid electric aircraft propulsion systems
We present a Model Predictive Control (MPC) algorithm for energy management in aircraft with hybrid electric propulsion systems consisting of gas turbine and electric motor components.
- arXiv 2021 ARXIV arXiv preprint
Convection in a mushy-layer along a heated wall
Motivated by the mushy zones of sea ice, volcanoes, and icy moons of the outer solar system, we perform a theoretical and numerical study of boundary-layer convection along a vertical heated wall in a bounded ideal mushy…
- arXiv 2021 ARXIV arXiv preprint
Turbulent Convection in Subglacial Lakes
Subglacial lakes are isolated, cold-temperature and high-pressure water environments hidden under ice sheets, which might host extreme microorganisms.
- Semantic Scholar 2021 Article (Journal of Aerospace Information Systems)
Multi-Class Multiple Instance Learning for Predicting Precursors to Aviation Safety Events
In recent years, there has been a rapid growth in the application of machine learning techniques that leverage aviation data collected from commercial airline operations to improve safety.
- NASA NTRS 2021 ARC Contractor or Grantee Report
Advanced Air Mobility (AAM) Vertiport Automation Trade Study
The NASA Advanced Air Mobility (AAM) Vertiport Automation Trade Study seeks to understand the barriers to scaling AAM takeoff and landing facilities, described in this study as vertiplaces.
- NASA NTRS 2021 LaRC Other - NASA Fact Sheet
Fit2Fly Project
NASA’s Fit2Fly project wants to make future commercial drone fleet operations routine, safe, and boring. How can future operators of commercial drone fleets know without a doubt that their aircraft are fit to fly? It is …
- arXiv 2021 ARXIV arXiv preprint
Nested Vehicle Routing Problem: Optimizing Drone-Truck Surveillance Operations
Unmanned aerial vehicles or drones are becoming increasingly popular due to their low cost and high mobility. In this paper we address the routing and coordination of a drone-truck pairing where the drone travels to mult…
- arXiv 2021 ARXIV arXiv preprint
Meta-Learning-Based Robust Adaptive Flight Control Under Uncertain Wind Conditions
Realtime model learning proves challenging for complex dynamical systems, such as drones flying in variable wind conditions. Machine learning technique such as deep neural networks have high representation power but is o…
- Semantic Scholar 2021 Article (Italian National Conference on Sensors)
High-Resolution and Large-Detection-Range Virtual Antenna Array for Automotive Radar Applications
Collision avoidance and autonomous control of vehicles have become essential needs for providing a high-quality and safe life. This paper introduces a new generic scheme for a virtual antenna array (VAA) and its applicat…
- FAA-affiliated R&D (MITRE / Volpe / FAA Tech Center) 2021 VOLPE Volpe Center model documentation
Aircraft Noise Modeling — AEDT Version 3 Verification & Validation
Volpe documentation of Aviation Environmental Design Tool (AEDT) version 3 — the FAA-mandated aircraft noise and emissions modeling tool for NEPA environmental analyses. Used in every Part 150 airport noise study.
- arXiv 2021 ARXIV arXiv preprint
Yoneda Hacking: The Algebra of Attacker Actions
Our work focuses on modeling the security of systems from their component-level designs. Towards this goal, we develop a categorical formalism to model attacker actions.
- arXiv 2021 ARXIV arXiv preprint
Multi-Agent Path Planning based on MPC and DDPG
The problem of mixed static and dynamic obstacle avoidance is essential for path planning in highly dynamic environment. However, the paths formed by grid edges can be longer than the true shortest paths in the terrain s…
- arXiv 2021 ARXIV arXiv preprint
Air taxi service for urban mobility: A critical review of recent developments, future challenges, and opportunities
Expected to operate in the imminent future, air taxi service (ATS) is an aerial on-demand transport for a single passenger or a small group of riders, which seeks to transform the method of everyday commute.
- arXiv 2021 ARXIV arXiv preprint
The Black-Box Simplex Architecture for Runtime Assurance of Autonomous CPS
The Simplex Architecture is a runtime assurance framework where control authority may switch from an unverified and potentially unsafe advanced controller to a backup baseline controller in order to maintain the safety o…
- arXiv 2021 ARXIV arXiv preprint
Design, Integration and Sea Trials of 3D Printed Unmanned Aerial Vehicle and Unmanned Surface Vehicle for Cooperative Missions
In recent years, Unmanned Surface Vehicles (USV) have been extensively deployed for maritime applications. However, USV has a limited detection range with sensor installed at the same elevation with the targets.
- NASA NTRS 2021 ARC Contribution to a larger work
Advanced Air Mobility and Safety Management Systems
Our current air transportation system has underserved markets, including local, regional, intraregional, and urban transportation of both people and cargo.
- arXiv 2021 ARXIV arXiv preprint
Dynamic flows create potentially habitable conditions in Antarctic subglacial lakes
Trapped beneath the Antarctic ice sheet lie over 400 subglacial lakes, which are considered to be extreme, isolated, yet viable habitats for microbial life.
- arXiv 2021 ARXIV arXiv preprint
Consistent Right-Invariant Fixed-Lag Smoother with Application to Visual Inertial SLAM
State estimation problems without absolute position measurements routinely arise in navigation of unmanned aerial vehicles, autonomous ground vehicles, etc., whose proper operation relies on accurate state estimates and …
- NASA NTRS 2021 LaRC Accepted Manuscript (Version with final changes)
Decentralized Control Synthesis for Air Traffic Management in Urban Air Mobility
Urban air mobility (UAM) refers to air transportation services within an urban area, often in an on-demand fashion. We study air traffic management (ATM) for vehicles in a UAM fleet, while guaranteeing system safety requ…
- arXiv 2021 ARXIV arXiv preprint
Dynamics and Control of a Flapping Wing UAV with Abdomen Undulation Inspired by Monarch Butterfly
This paper presents a dynamic model and a control system for a flapping-wing unmanned aerial vehicle. Inspired by flight characteristics captured from live Monarch butterflies, a new dynamic model is presented to account…
- arXiv 2021 ARXIV arXiv preprint
Aperiodic Communication for MPC in Autonomous Cooperative Landing
This paper investigates the rendezvous problem for the autonomous cooperative landing of an unmanned aerial vehicle (UAV) on an unmanned surface vehicle (USV).
- arXiv 2021 ARXIV arXiv preprint
Urban Metric Maps for Small Unmanned Aircraft Systems Motion Planning
Low-altitude urban flight planning for small Unmanned Aircraft Systems (UAS) requires accurate vehicle, environment maps, and risk models to assure flight plans consider the urban landscape as well as airspace constraint…
- arXiv 2021 ARXIV arXiv preprint
Data-Driven Retrospective Cost Adaptive Control for Flight Control Application
Unlike fixed-gain robust control, which trades off performance with modeling uncertainty, direct adaptive control uses partial modeling information for online tuning.
- arXiv 2021 ARXIV arXiv preprint
Synergism of the dynamics of tetrahedral hydrogen bonds of liquid water
We used modified Arrhenius approximations to analyze the known temperature dependences (TDs) of water microstructure parameters and its dynamic characteristics.
- Semantic Scholar 2021 Article (Journal of Surgical Education)
Surgeons Are Not Pilots: Is the Aviation Safety Paradigm Relevant to Modern Surgical Practice?
Error in surgery is common, although not always consequential. Surgical outcomes are often compared to safety data from commercial aviation.
- arXiv 2021 ARXIV arXiv preprint
Lifshitz theory of wetting films at three phase coexistence: The case of ice nucleation on Silver Iodide (AgI)
Hypothesis: As a fluid approaches three phase coexistence, adsorption may take place by the successive formation of two intervening wetting films.