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 2025 ARXIV arXiv preprint
Predictor-Based Time Delay Control of A Hex-Jet Unmanned Aerial Vehicle
Turbojet-powered VTOL UAVs have garnered increased attention in heavy-load transport and emergency services, due to their superior power density and thrust-to-weight ratio compared to existing electronic propulsion syste…
- arXiv 2025 ARXIV arXiv preprint
Learned Incremental Nonlinear Dynamic Inversion for Quadrotors with and without Slung Payloads
The increasing complexity of multirotor applications demands flight controllers that can accurately account for all forces acting on the vehicle.
- Semantic Scholar 2025 Article (Safety)
Preliminary Safety Assessment of a Liquid Hydrogen Storage System for Commercial Aviation
The development of liquid hydrogen storage systems is a key aspect to enable future clean air transportation. However, safety analysis research for such systems is still limited and is hindered by the limited experience …
- arXiv 2025 ARXIV arXiv preprint
Accelerating Development in UAV Network Digital Twins with a Flexible Simulation Framework
Unmanned aerial vehicles (UAVs) enhance coverage and provide flexible deployment in 5G and next-generation wireless networks. The performance of such wireless networks can be improved by developing new navigation and wir…
- arXiv 2025 ARXIV arXiv preprint
Sum-of-Squares Data-driven Robustly Stabilizing and Contracting Controller Synthesis for Polynomial Nonlinear Systems
This work presents a computationally efficient approach to data-driven robust contracting controller synthesis for polynomial control-affine systems based on a sum-of-squares program.
- arXiv 2025 ARXIV arXiv preprint
Evaluation of 3D Terrestrial and Aerial Spectrum Sharing with Massive MIMO Systems
Connecting aerial and terrestrial users with a single base station (BS) is increasingly challenging due to the rising number of aerial users like unmanned aerial vehicles (UAVs).
- arXiv 2025 ARXIV arXiv preprint
Damping Identification Sensitivity in Flutter Speed Estimation
Predicting flutter remains a key challenge in aeroelastic research, with certain models relying on modal parameters, such as natural frequencies and damping ratios.
- arXiv 2025 ARXIV arXiv preprint
SAFE-TAXI: A Hierarchical Multi-UAS Safe Auto-Taxiing Framework with Runtime Safety Assurance and Conflict Resolution
We present a hierarchical safe auto-taxiing framework to enhance the automated ground operations of multiple unmanned aircraft systems (multi-UAS).
- arXiv 2025 ARXIV arXiv preprint
DA-STGCN: 4D Trajectory Prediction Based on Spatiotemporal Feature Extraction
The importance of four-dimensional (4D) trajectory prediction within air traffic management systems is on the rise. Key operations such as conflict detection and resolution, aircraft anomaly monitoring, and the managemen…
- arXiv 2025 ARXIV arXiv preprint
Generative Modeling of Microweather Wind Velocities for Urban Air Mobility
Motivated by the pursuit of safe, reliable, and weather-tolerant urban air mobility (UAM) solutions, this work proposes a generative modeling approach for characterizing microweather wind velocities.
- arXiv 2025 ARXIV arXiv preprint
Towards Quantum SAGINs Harnessing Optical RISs: Applications, Advances, and the Road Ahead
The space-air-ground integrated network (SAGIN) concept is vital for the development of seamless next-generation (NG) wireless coverage, integrating satellites, unmanned aerial vehicles, and manned aircraft along with th…
- arXiv 2025 ARXIV arXiv preprint
Feasible Force Set Shaping for a Payload-Carrying Platform Consisting of Tiltable Multiple UAVs Connected Via Passive Hinge Joints
This paper presents a method for shaping the feasible force set of a payload-carrying platform composed of multiple Unmanned Aerial Vehicles (UAVs) and proposes a control law that leverages the advantages of this shaped …
- arXiv 2025 ARXIV arXiv preprint
Explainable LiDAR 3D Point Cloud Segmentation and Clustering for Detecting Airplane-Generated Wind Turbulence
Wake vortices - strong, coherent air turbulences created by aircraft - pose a significant risk to aviation safety and therefore require accurate and reliable detection methods.
- arXiv 2025 ARXIV arXiv preprint
On Adversarial Attacks In Acoustic Drone Localization
Multi-rotor aerial autonomous vehicles (MAVs, more widely known as "drones") have been generating increased interest in recent years due to their growing applicability in a vast and diverse range of fields (e.g., agricul…
- arXiv 2025 ARXIV arXiv preprint
Handover-Aware Trajectory Optimization for Cellular-Connected UAV
In this letter, we study a cellular-connected unmanned aerial vehicle (UAV) which aims to complete a mission of flying between two pre-determined locations while maintaining satisfactory communication quality with the gr…
- arXiv 2025 ARXIV arXiv preprint
Experimental validation of UAV search and detection system in real wilderness environment
Search and rescue (SAR) missions require reliable search methods to locate survivors, especially in challenging or inaccessible environments.
- arXiv 2025 ARXIV arXiv preprint
Direct Numerical Simulation of Hydrogen Combustion in a Real-Size IC Engine
This study presents the first Direct Numerical Simulation (DNS) of hydrogen combustion in a real-size internal combustion engine, investigating the complex dynamics of ignition, flame propagation, and flame-wall interact…
- arXiv 2025 ARXIV arXiv preprint
Network Resource Optimization for ML-Based UAV Condition Monitoring with Vibration Analysis
As smart cities begin to materialize, the role of Unmanned Aerial Vehicles (UAVs) and their reliability becomes increasingly important.
- arXiv 2025 ARXIV arXiv preprint
Reducing Computational Complexity of Rigidity-Based UAV Trajectory Optimization for Real-Time Cooperative Target Localization
Accurate and swift localization of the target is crucial in emergencies. However, accurate position data of a target mobile device, typically obtained from global navigation satellite systems (GNSS), cellular networks, o…
- arXiv 2025 ARXIV arXiv preprint
Analysis and Prediction of Coverage and Channel Rank for UAV Networks in Rural Scenarios with Foliage
Unmanned aerial vehicles (UAVs) are expected to play a key role in 6G-enabled vehicular-to-everything (V2X) communications requiring high data rates, low latency, and reliable connectivity for mission-critical applicatio…
- arXiv 2025 ARXIV arXiv preprint
Perch like a bird: bio-inspired optimal maneuvers and nonlinear control for Flapping-Wing Unmanned Aerial Vehicles
This research endeavors to design the perching maneuver and control in ornithopter robots. By analyzing the dynamic interplay between the robot's flight dynamics, feedback loops, and the environmental constraints, we aim…
- arXiv 2025 ARXIV arXiv preprint
Control Barrier Function-Based Quadratic Programming for SafeOperation of Tethered UAVs
Consider an unmanned aerial vehicle (UAV) physically connected to the ground station with a tether operating in a space, tasked with performing precise maneuvers while constrained by the physical limitation of its tether…
- arXiv 2025 ARXIV arXiv preprint
AgilePilot: DRL-Based Drone Agent for Real-Time Motion Planning in Dynamic Environments by Leveraging Object Detection
Autonomous drone navigation in dynamic environments remains a critical challenge, especially when dealing with unpredictable scenarios including fast-moving objects with rapidly changing goal positions.
- arXiv 2025 ARXIV arXiv preprint
Motion Control in Multi-Rotor Aerial Robots Using Deep Reinforcement Learning
This paper investigates the application of Deep Reinforcement (DRL) Learning to address motion control challenges in drones for additive manufacturing (AM).
- arXiv 2025 ARXIV arXiv preprint
Variational integrators for optimal control of foldable drones
Numerical methods that preserves geometric invariants of the system such as energy, momentum and symplectic form, are called geometric integrators.
- arXiv 2025 ARXIV arXiv preprint
Dimensionality Reduction with Koopman Generalized Eigenfunctions
This paper presents a methodology to achieve lower-dimensional Koopman quasi-linear representations of nonlinear system dynamics using Koopman generalized eigenfunctions.
- Semantic Scholar 2025 Article (Applied Sciences)
Decision-Making Framework for Aviation Safety in Predictive Maintenance Strategies
The implementation of predictive maintenance (PM) in aviation presents unique challenges due to strict safety requirements, complex operational environments, and regulatory constraints.
- Semantic Scholar 2025 Article (Journal of planning literature)
Decoding the Vertiport: Planning for Urban Air Mobility
The potential of advanced air mobility (AAM) has recently been receiving a tremendous amount of attention in both the media and within the research literature.
- arXiv 2025 ARXIV arXiv preprint
Multidimensional Swarm Flight Approach For Chasing Unauthorized UAVs Leveraging Asynchronous Deep Learning
This paper introduces a novel unmanned aerial vehicles (UAV) chasing system designed to track and chase unauthorized UAVs, significantly enhancing their neutralization effectiveness.
- NASA NTRS 2025 LaRC Technical Memorandum (TM)
Summary and Annotated Bibliography of Measurement Error Corrections with Potential Application in Future Quesst Mission Community Noise Studies
This document is motivated by likely needs of the Quesst mission community response tests, which will culminate in data collection and estimation of dose-response regression relationships for consideration by domestic an…
- arXiv 2025 ARXIV arXiv preprint
DeepUKF-VIN: Adaptively-tuned Deep Unscented Kalman Filter for 3D Visual-Inertial Navigation based on IMU-Vision-Net
This paper addresses the challenge of estimating the orientation, position, and velocity of a vehicle operating in three-dimensional (3D) space with six degrees of freedom (6-DoF).
- arXiv 2025 ARXIV arXiv preprint
Integrating Urban Air Mobility with Highway Infrastructure: A Strategic Approach for Vertiport Location Selection in the Seoul Metropolitan Area
This study focuses on identifying suitable locations for highway-transfer Vertiports to integrate Urban Air Mobility (UAM) with existing highway infrastructure.
- arXiv 2025 ARXIV arXiv preprint
Event-Based Adaptive Koopman Framework for Optic Flow-Guided Landing on Moving Platforms
This paper presents an optic flow-guided approach for achieving soft landings by resource-constrained unmanned aerial vehicles (UAVs) on dynamic platforms.
- arXiv 2025 ARXIV arXiv preprint
Toward Safe Integration of UAM in Terminal Airspace: UAM Route Feasibility Assessment using Probabilistic Aircraft Trajectory Prediction
Integrating Urban Air Mobility (UAM) into airspace managed by Air Traffic Control (ATC) poses significant challenges, particularly in congested terminal environments.
- arXiv 2025 ARXIV arXiv preprint
Network Slice-based Low-Altitude Intelligent Network for Advanced Air Mobility
Advanced Air Mobility (AAM) is transforming transportation systems by extending them into near-ground airspace, offering innovative solutions to mobility challenges.
- arXiv 2025 ARXIV arXiv preprint
Error-State LQR Formulation for Quadrotor UAV Trajectory Tracking
This article presents an error-state Linear Quadratic Regulator (LQR) formulation for robust trajectory tracking in quadrotor Unmanned Aerial Vehicles (UAVs).
- arXiv 2025 ARXIV arXiv preprint
UAV-Assisted MEC Architecture for Collaborative Task Offloading in Urban IoT Environment
Mobile edge computing (MEC) is a promising technology to meet the increasing demands and computing limitations of complex Internet of Things (IoT) devices.
- Semantic Scholar 2025 Article (Urban Science)
Prediction of Urban Air Mobility and Drone Accident Rates and the Role of Urban Management Systems
Urban air mobility (UAM) and drones can significantly improve traffic movement in saturated cities because the skies above them are not frequently used; furthermore, they do not require large-scale infrastructure, like r…
- Semantic Scholar 2025 Article (Journal of Aerospace Information Systems)
On-Demand Urban Air Mobility Scheduling with Operational Considerations
This paper introduces an on-demand sequencing and scheduling framework for Urban Air Mobility (UAM) with electric vertical takeoff and landing (eVTOL) aircraft.
- arXiv 2025 ARXIV arXiv preprint
Fly Away: Evaluating the Impact of Motion Fidelity on Optimized User Interface Design via Bayesian Optimization in Automated Urban Air Mobility Simulations
Automated Urban Air Mobility (UAM) can improve passenger transportation and reduce congestion, but its success depends on passenger trust.
- arXiv 2025 ARXIV arXiv preprint
Minimum-Time Sequential Traversal by a Team of Small Unmanned Aerial Vehicles in an Unknown Environment with Winds
We consider the problem of transporting multiple packages from an initial location to a destination location in a windy urban environment using a team of SUAVs. Each SUAV carries one package.
- Semantic Scholar 2025 Article (Safety)
Classifying Aviation Safety Reports: Using Supervised Natural Language Processing (NLP) in an Applied Context
This paper presents a practical approach to classifying aviation safety reports in an operational context. The goals of the research are as follows: (a) successfully demonstrate a replicable, practical methodology levera…
- arXiv 2025 ARXIV arXiv preprint
Path Planning for a UAV Swarm Using Formation Teaching-Learning-Based Optimization
This work addresses the path planning problem for a group of unmanned aerial vehicles (UAVs) to maintain a desired formation during operation.
- arXiv 2025 ARXIV arXiv preprint
Robust UAV Path Planning with Obstacle Avoidance for Emergency Rescue
The unmanned aerial vehicles (UAVs) are efficient tools for diverse tasks such as electronic reconnaissance, agricultural operations and disaster relief.
- arXiv 2025 ARXIV arXiv preprint
Separation Assurance in Urban Air Mobility Systems using Shared Scheduling Protocols
Ensuring safe separation between aircraft is a critical challenge in air traffic management, particularly in urban air mobility (UAM) environments where high traffic density and low altitudes require precise control.
- arXiv 2025 ARXIV arXiv preprint
A Reinforcement Learning Approach to Quiet and Safe UAM Traffic Management
Urban air mobility (UAM) is a transformative system that operates various small aerial vehicles in urban environments to reshape urban transportation.
- NASA NTRS 2025 LaRC Conference Paper
Aero-Propulsive Damping Characterization for eVTOL Aircraft Using Free Motion Wind-Tunnel Testing
This paper describes an electric vertical takeoff and landing (eVTOL) aircraft system identification method applied using three degree-of-freedom (3DOF) free motion wind-tunnel testing.
- arXiv 2025 ARXIV arXiv preprint
Koopman Meets Limited Bandwidth: Effect of Quantization on Data-Driven Linear Prediction and Control of Nonlinear Systems
Koopman-based lifted linear identification have been widely used for data-driven prediction and model predictive control (MPC) of nonlinear systems.
- arXiv 2025 ARXIV arXiv preprint
The Reliability of Remotely Piloted Aircraft System Performance under Aeronautical Communication Uncertainties
Mission-critical operations of highly maneuverable Remotely Piloted Aircraft Systems (RPAS) require reliable communication to ensure safe integration into existing airspace.
- NASA NTRS 2025 GRC Conference Paper
Reduction of Aircraft Noise Uncertainty for a Notional Supersonic Business Jet
NASA supported a study by the International Civil Aviation Organization on the environmental impact of adding supersonic aircraft to the existing global fleet by designing a notional 55-tonne supersonic business jet.