Research papers

Identification of Wind-Induced Hazard Zones Impacting UAS Bridge Inspection

Unmanned Aerial Systems (UAS) continue to grow in both popularity and utility within the national airspace system. The use of commercial UAS for civil inspection, specifically that of bridge structures, is becoming commo…

Pilot Visual Detection of Small Unmanned Aircraft on Final Approach during Nighttime Conditions

In December 2020, the Federal Aviation Administration (FAA) announced the release of a new final rule, permitting operators of small unmanned aircraft systems (sUAS) to perform routine night operations.

The Constructivist Approach towards Identifying the Challenges of ESP Teachers: The Case of Aviation English

Continuous growth of aviation industry necessitates developing a better understanding of English for Specific Purposes teaching settings to improve the quality teaching and in turn, to serve best for the needs of ESP stu…

Customer service 2.0: The Effect of Ryanair's Policy Change

Customer perceptions of Ryanair and Southwest were evaluated to compare two data periods; 2012-13 and 2016-17 to determine differences in passenger perceptions between and within airlines.

How Duty Rosters and Stress Relate to Sleep Problems and Fatigue of International Pilots

While previous research focused on pilots’ fatigue, rosters, potential performance-impairment and aviation-safety, this research investigates, how pilots’ work-related and psychosocial stress and rosters can affect their…

CO2 Reduction Measures in the Aviation Industry: Current Measures and Outlook

This article gives a holistic overview of the current CO2 reduction measures and analyses the effectiveness of measures that are feasible for implementation in the future.

Structural and technological complex of methods for processing satellite images

Decoding satellite images involves hundreds of automated methods. These methods are included in the modules of many well-known software tools for processing satellite images.

Small Unmanned Aircraft Systems Acoustic Analysis for Noninvasive Marine Mammal Response: An Exploratory Field Study

As in countless other fields of human endeavor, small unmanned aircraft systems (sUAS) have the potential to benefit pinniped (Pinnipedia; e.g., Phocidae [seals], Otariidae [sea lions], and Odobenidae [walruses]) respons…

Internet of Things 36-rotor Multicopter for Ionizing Radiation Surveying

This paper presents an Internet of things 36-rotor unmanned aerial vehicle suitable for radiological surveying of buildings and facilities. The design of the 36-rotor multicopter platform is disclosed.

Predictability improvement of Scheduled Flights Departure Time Variation using Supervised Machine Learning

The departure time uncertainty exacerbates the inaccuracy of arrival time estimation and demand for arrival slots, particularly for movements to capacity constrained airports.

Aviation Culture: a ‘Glass Sky’ for Women Pilots - Literature Review

This paper reports on a review of literature covering gender issues in aviation. It considers the impacts of aviation culture on women pilots.

In flight Management - Committing to Destination

The present Brazilian regulation is not precise whether the alternate fuel could or could not be used to proceed to the original destination without compromising the emergency fuel, once exact specific requirements are m…

Notes on Rules of Thumb for Pilots

The rules of thumb can be found in several flight instructions or pilot's handbooks. Thus far, available rules have been presented without proof or a valid range, such as altitude or velocity ranges wherein these rules c…

The Influence of Personality, Safety Attitudes, and Risk Perception of Pilots: A Modeling and Mediation Perspective

Objective: The purpose of the current study was to assess the influence of personality traits on safety attitudes and risk perceptions.

Albatross and Falcon inspired Bionic UAV: An Aerodynamic Analysis

The drone industry yearns for enhanced aerodynamic performance. In order to achieve this feat, researchers and engineers are trying to mimic the natural flyers due to their aerodynamic optimality.

Helicopter Shaft Heating Parameters for Polyamide-11 Coating

In this study, the heating parameters required for polyamide-11 (P11) coating of the helicopter shaft were investigated. The torsion value created by the force applied to the middle of the helicopter's shaft is measured.…

Numerical Analysis of Aerospike Engine Nozzle Performance at Various Truncation Lengths

The aerospike engine was first devised in the early 1960s where it provided new means of reaching orbit in a single stage. The paper aimes to demonstrate the viability of the technology by showcasing the increased nozzle…

Digitalization of Educational and Methodological Support for the Training of Aviation Dispatchers

The tasks of improving the educational process of training civil aviation dispatchers on the basis of the development and implementation of digital teaching aids are considered.

Comparative study on performance accuracy of three probe and five probe flow analysers for wind tunnel testing

In the field of inviscid fluid flow studies, the theoretical concept has to be developed even more. In order to make it possible, it is very important to supplement the concepts with strong experimental results.

An integrated method for airline company supplier selection based on the entropy and vikor methods: a real case study

All certified airlines require to implement a safety and quality management system. Therefore, the quality of all services and products with critical operational domains have been challenging issues in the aviation indus…

A Mathematical Analysis of the Wind Triangle Problem and an Inquiry of True Airspeed Calculations in Supersonic Flight

In the first half of this paper, we present a fresh perspective toward the Wind Triangle Problem in aerial navigation by deriving necessary and sufficient conditions, which we call "go/no-go conditions", for the existenc…

Design of a Laboratory Annular Combustor

Combustion lies at the heart of gas turbine technology. The combustor is the power source that aids the acceleration of flight. It provides the core functionality of adding heat through the controlled burn of the air-fue…

Potential Applications of Electrodynamic Tethers

In recent decades, alternative propulsion systems have been investigated and have attracted great interest in the space community. Most of these alternative propulsion systems need propellants.

Prediction Models for Willingness to Support Private and Government Space Ventures: A Regression Study

Public opinion is critical to the future of United States (US) space ventures as it can affect factors such as funding and legislation.

Aircraft Exhaust Gas Temperature Value Mining with Rough Set Method

Aircrafts are one of the most important means of transportation today. For aircrafts to be able to serve safely, their maintenance must be done in a timely and complete manner.

Measuring Safety Culture: Qualitative and Quantitative Means of Measuring Safety Culture for Safety Management System Optimization

The Department of Transportation Office of the Inspector General (2020) investigated the Federal Aviation Administration oversight of Southwest Airlines Safety Management System and noted concerns and gaps in the oversig…

Leadership style and communication style of airline pilots: Perceived associations with crew members’ satisfaction and effort

Leadership and communication have been identified as paramount factors for flight safety and efficiency but research on the effects of these factors is scarce.

The Determination of the Factors Affecting Air Transportation Passenger Numbers

So long as human beings are required to go between places, the civil aviation industry will always exist. In this study, a country-based examination has been applied to air passenger numbers.

Performance of the EGNOS system in Algeria for Single and Dual Frequency

EGNOS (European Geostationary Navigation Overlay Service) transmits data for more accurate real time positioning with an integrity message for GNSS navigation satellites, which are in view by RIMS station (Ranging and In…

The effects of Virtual Reality technology application in the aircraft pilot training process

In this study, we focus on some problems related to virtual reality technology usage in supporting the educational process. The main goal is to obtain the optimal duration of exposure to virtual reality without the appea…

Virtual Reality for Pilot Training: Study of Cardiac Activity

: Flight training is provided through real flights with real aircraft and virtual flights using simulators. Nowadays a third alternative way emerges which is the use of immersive virtual reality (VR) flight deck.

Aviation Safety: Commercial Airlines

Formation Flight Control of Multi-UAV System Using Neighbor-based Trajectory Generation Topology

In this paper, a distributed formation flight control topology for Leader-Follower formation structure is presented. Such topology depends in the first place on online generation of the trajectories that should be follow…

$\mathcal{L}_1$ Adaptive Control for Switching Reference Systems: Application to Flight Control

This paper presents a framework for the design and analysis of an $\mathcal{L}_1$ adaptive controller with a switching reference system.

A Moving Discontinuous Galerkin Finite Element Method with Interface Conservation Enforcement for Compressible Flows

A moving discontinuous Galerkin finite element method with interface conservation enforcement (MDG+ICE) is developed for solving the compressible Euler equations.

An exploratory study about the Challenges with Pilot Training and Recruitment in Europe

Pilot training and recruitment is of fundamental importance for the aviation industry. Yet, a number of Commercial Pilot’s License (CPL) applicants trained by Approved Training Organizations (ATOs) fail their airline ass…

Magneto-Mechanical Transmitters for Ultra-Low Frequency Near-field Communication

Electromagnetic signals in the ultra-low frequency (ULF) range below 3 kHz are well suited for underwater and underground wireless communication thanks to low signal attenuation and high penetration depth.

Relativistic Rocket Control (Relativistic Space-Travel Flight Control): Feedback Control of Relativistic Dynamics Propelled by Ejecting Mass

In this short note, we investigate the feedback control of relativistic dynamics propelled by mass ejection, modeling, e.g., the relativistic rocket control or the relativistic (space-travel) flight control.

Machine Learning Coupled Trajectory and Communication Design for UAV-Facilitated Wireless Networks

Augmenting wireless networks with Unmanned Aerial Vehicles (UAVs), commonly referred to as drones, offers a promising avenue for providing reliable, cost-effective, and on-demand wireless services to desired areas.

Ice front shaping by upward convective current

The extent and the morphology of ice forming in a differentially heated cavity filled with water is studied by means of experiments and numerical simulations.

Evaluation Issues for a Flight Deck Interface; CAST SE-210 Output 2: Report 4 of 6

This report is part of a series of reports that addresses flight deck design and evaluation, written as a response to loss of control accidents.

Bringing optical fluid motion analysis to the field: a methodology using an open source ROV as camera system and rising bubbles as tracers

Detailed water kinematics are important for understanding atmosphere-ice-ocean energy transfer processes in the Arctic. There are few in situ observations of 2D velocity fields in the marginal ice zone.

Individualized Aerobic Exercise in Neuromuscular Diseases: A Pilot Study on the Feasibility and Preliminary Effectiveness to Improve Physical Fitness

Abstract Objective Clear guidelines to prescribe aerobic exercise in neuromuscular diseases (NMD) are lacking, which hampers effective application in neuromuscular rehabilitation.

Transcranial direct current stimulation for fatigue in patients with Sjogren’s syndrome: A randomized, double-blind pilot study

BACKGROUND Transcranial direct-current stimulation (tDCS) has shown promise to decrease fatigue. However, it has never been examined in primary Sjogren Syndrome (pSS).

Robust aircraft conflict resolution under trajectory prediction uncertainty

We address the aircraft conflict resolution problem under trajectory prediction uncertainty. We consider that aircraft velocity vectors may be perturbed due to weather effects, such as wind, or measurement errors.

Radiation in the Atmosphere—A Hazard to Aviation Safety?

Exposure of aircrew to cosmic radiation has been recognized as an occupational health risk for several decades. Based on the recommendations by the International Commission on Radiological Protection (ICRP), many countri…

Learning How to Trade-Off Safety with Agility Using Deep Covariance Estimation for Perception Driven UAV Motion Planning

We investigate how to utilize predictive models for selecting appropriate motion planning strategies based on perception uncertainty estimation for agile unmanned aerial vehicle (UAV) navigation tasks.

How to Train your Quadrotor: A Framework for Consistently Smooth and Responsive Flight Control via Reinforcement Learning

We focus on the problem of reliably training Reinforcement Learning (RL) models (agents) for stable low-level control in embedded systems and test our methods on a high-performance, custom-built quadrotor platform.

Multi-agent control of airplane wing stability under the flexural torsion flutter

This paper proposes a novel method for prevention of the increasing oscillation of an aircraft wing under the flexural torsion flutter.

Linear Reduced Order Model Predictive Control

Model predictive controllers use dynamics models to solve constrained optimal control problems. However, computational requirements for real-time control have limited their use to systems with low-dimensional models.