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Articles 1771 - 1800 of 3305

Full-Text Articles in Engineering

Using Conversation Analysis In Data-Driven Aviation Training With Large-Scale Qualitative Datasets, William A. Tuccio, Maurice Nevile Jan 2017

Using Conversation Analysis In Data-Driven Aviation Training With Large-Scale Qualitative Datasets, William A. Tuccio, Maurice Nevile

Journal of Aviation/Aerospace Education & Research

This paper contributes to a growing body of work related to the Conversation Analytic Role-play Method (CARM) by studying the primary flight instruction environment to create training interventions related to radio communications and flight instruction practices. Framed in the context of conversation analysis, an approach to the detailed analysis of naturally occurring interaction, the large-scale, long-duration qualitative audio/video data collection and coding methodology is discussed, followed by trends identified in the ongoing study. The concept of CARM “trainables” are discussed with examples. The study shows that large-scale qualitative datasets may be leveraged to produce valuable data-driven training interventions.


Exploration Of A Confidence-Based Assessment Tool Within An Aviation Training Program, Paul F. Novacek Jan 2017

Exploration Of A Confidence-Based Assessment Tool Within An Aviation Training Program, Paul F. Novacek

Journal of Aviation/Aerospace Education & Research

Traditional use of multiple-choice questions reward a student for guessing. This technique encourages rote memorization of questions to pass a lengthy exam, and does not promote comprehensive understanding or subject correlation. In an effort to identify guessing on answers during an exam within a safety-critical aviation pilot training course, a qualitative research study was undertaken that introduced a confidence-based element to the end-of-ground-school exam. Confidence-based assessments consist of students’ self-reported level of certainty in their responses, indicating which answers they believe are correct while also indicating how confident they feel with their selections. The research goals were to clearly identify …


The Value Of A Collegiate Far Part 141 Jeopardy-Crew Resource Management (Crm)-Simulation Event, Samuel M. Vance Jan 2017

The Value Of A Collegiate Far Part 141 Jeopardy-Crew Resource Management (Crm)-Simulation Event, Samuel M. Vance

Journal of Aviation/Aerospace Education & Research

This article explores the viability of using a FAR Part 141 collegiate crew resource management (CRM) flight simulator scenario event as a jeopardy event (a graded, syllabus item) in an upper-level professional pilot curriculum course. Ultimately, the objective is to suggest this approach as a value-added curriculum consideration for other collegiate professional pilot programs. The selection of four CRM criteria to be examined was made by the course professor. Using the four principles, the students assembled the grading rubric for their event. The simulator scenario placed students in airspace, geography and weather dissimilar to that in which they were training …


Finding The Balance Between Price And Protection: Establishing A Surface-To-Air Fire Risk-Reduction Training Policy For Air-Carrier Pilots, Earl W. Burress Jr. Jan 2017

Finding The Balance Between Price And Protection: Establishing A Surface-To-Air Fire Risk-Reduction Training Policy For Air-Carrier Pilots, Earl W. Burress Jr.

Journal of Aviation/Aerospace Education & Research

Currently, U.S. air carriers do not provide equipment or training necessary to mitigate the risk posed by surface-to-air fire (SAFIRE) threats. These threats consist of self-guided weapons (infrared shoulder-fired surface-to-air missiles), manually-aimed threats (small arms, recoilless grenade launchers, rockets, and light anti-aircraft artillery), and hand-held lasers. Technological solutions to counter infrared shoulder-fired missiles have been explored, but were rejected due to prohibitive equipment and maintenance costs. A lower cost option, providing air-carrier pilots with SAFIRE risk-reduction training, has not been formally addressed by the air-carrier industry or the U.S. federal government. This effort will use a business concept, the Cost-Benefit …


Broadening Traditional Aviation Meteorology Education To Support Spaceflight Operations, Thomas A. Guinn, Nicholas J. Stapleton, Katherine A. Winters, Bradley M. Muller, Debbie M. Schaum Jan 2017

Broadening Traditional Aviation Meteorology Education To Support Spaceflight Operations, Thomas A. Guinn, Nicholas J. Stapleton, Katherine A. Winters, Bradley M. Muller, Debbie M. Schaum

Journal of Aviation/Aerospace Education & Research

The purpose of this paper is to examine the expansion of traditional aviation meteorology education necessary to support the growing commercial space-operations industry. While spaceflight meteorological considerations do overlap with those of traditional aviation operations, there are notable differences schools must address for appropriate education and training of both meteorologists and operators. These include knowledge of increased weather sensitivities, space-weather impacts, triggered lightning, triboelectrification, and high-resolution vertical wind-profile analyses. An added challenge in the educational process is the more limited amount of publicly available weather and space-weather products necessary to support spaceflight education. Furthermore, in comparison with traditional aviation meteorology, …


Get Rid Of Your Student's Fear And Intimidation Of Learning A Programming Language, Christina Frederick, Matt B. Pierce, Andrew Calvin Griggs, Lulu Sun, Li Ding Jan 2017

Get Rid Of Your Student's Fear And Intimidation Of Learning A Programming Language, Christina Frederick, Matt B. Pierce, Andrew Calvin Griggs, Lulu Sun, Li Ding

Publications

Knowledge of computer programming is very beneficial and often required for engineering students. Unfortunately, students frequently experience fear and intimidation regarding introductory programming courses. Second language acquisition (SLA) techniques have shown promise as a means of content delivery in programming courses. Blended learning environments are also becoming increasingly popular in course frameworks. This workshop will discuss the application of second language acquisition in a blended learning environment (SLA-aBLe) and will examine the effectiveness of using SLA techniques to teach introductory programming. The proposed workshop will also share instructor experience(s), provide course materials, and review student outcomes from this two year …


Small Wins - Big Impact: Narratives From Behind The Scenes, Kelsey Joy Rodgers, James J. Pembridge, Leroy L. Long Iii, Matthew A. Verleger, Heidi Steinhauer Jan 2017

Small Wins - Big Impact: Narratives From Behind The Scenes, Kelsey Joy Rodgers, James J. Pembridge, Leroy L. Long Iii, Matthew A. Verleger, Heidi Steinhauer

Publications

All instructors, administrators, and researchers that have engaged in the endeavor to teach, oversee, and/or transform first-year engineering courses have a story to tell about their successes and struggles. In this workshop, we use narrative inquiry to listen to participants’ stories about first-year engineering programs. Based on the analyses of these stories and deduced patterns, a few key struggles will be teased out to guide this interactive workshop. All participants will then further tell their stories of relevant experiences. Our goal is to address struggles and disseminate successes with first-year engineering programs for adoption and adaptation. Our goal is that …


A Safety Management Model For Far 141 Approved Flight Schools, Flavio A. C. Mendonca, Thomas Q. Carney Jan 2017

A Safety Management Model For Far 141 Approved Flight Schools, Flavio A. C. Mendonca, Thomas Q. Carney

Publications

The Safety Management Annex (Annex 19), which became applicable in November 2013, consolidates safety management provisions previously contained in six other International Civil Aviation Organization (ICAO) Annexes, and will serve as a resource for overarching state safety management responsibilities. Through Annex 19, ICAO has required that its member states develop and implement safety management systems (SMS) to improve safety. This mandate includes an approved training organization that is exposed to aviation safety risks. In 2015, the FAA published AC 120-92B to provide guidance material for certificate holders operating under FAR 121, to implement and maintain an SMS. This AC may …


Variable Structure Feedback Control With Application To Spacecraft With Small Thrust Propulsion Systems, Samuel J. Kitchen-Mckinley Jan 2017

Variable Structure Feedback Control With Application To Spacecraft With Small Thrust Propulsion Systems, Samuel J. Kitchen-Mckinley

Doctoral Dissertations and Master's Theses

Small spacecrafts requiring small propulsion systems are becoming more popular for low Earth orbit. It is important for these research satellites to have accurate guidance and control systems. Small propulsion systems will also be beneficial for multiple small spacecrafts used future exploration expeditions beyond low Earth orbit. These small spacecrafts benefit from the simplicity of low thrust cold gas propulsion systems. Additionally, large spacecrafts using low thrust, high specific impulse propellants for main propulsion systems, such as ion engines, allow longer and more flexible missions, including Earth orbiting spacecraft and interplanetary spacecraft.

In order to extend the life of future …


Cabin Depressurization As A Hijacking Mitigation Tactic: A Consumer Perceptions Study, Rian Mehta, Stephen Rice, Scott R. Winter, Paul Buza Jan 2017

Cabin Depressurization As A Hijacking Mitigation Tactic: A Consumer Perceptions Study, Rian Mehta, Stephen Rice, Scott R. Winter, Paul Buza

Publications

The security of a commercial airline flight is the primary concern of all parties involved in the aviation industry. The policies and strategies of dealing with terrorist threats have evolved since the attacks of September 11, 2001. The current policy requires that the cockpit door be locked so that the hijackers have no access to the flight controls. A new method has been discussed whereby the pilots depressurize the cabin so as to eliminate the hijacking threat since all the cabin crew and passengers will be rendered unconscious. While there is a risk of possible negative impact on brain cells …


A Human Factors Perspective On Learning Programming Languages Using A Second Language Acquisition Approach, Rebecca Rohmeyer, Paula Sanjuan Espejo, Lulu Sun, Christina Frederick Jan 2017

A Human Factors Perspective On Learning Programming Languages Using A Second Language Acquisition Approach, Rebecca Rohmeyer, Paula Sanjuan Espejo, Lulu Sun, Christina Frederick

Publications

In this day and age, knowing a programming language is an essential skill to have for those pursuing a career in any of the STEM fields. In most colleges and universities around the world, engineering and computer science students are required to take an introductory course in a programming language. However, many students find these courses intimidating and too challenging. This paper explores a psychological perspective on learning programming languages using Second Language Acquisition (SLA) theories. The paper also describes the basic function of how learning works and how SLA aids in the learning process. This paper also briefly discusses …


Multi-Site Simultaneous Time-Resolved Photometry With A Low Cost Electro-Optics System, Forrest Gasdia, Aroh Barjatya, Sergei Bilardi Jan 2017

Multi-Site Simultaneous Time-Resolved Photometry With A Low Cost Electro-Optics System, Forrest Gasdia, Aroh Barjatya, Sergei Bilardi

Publications

Sunlight reflected off of resident space objects can be used as an optical signal for astrometric orbit determination and for deducing geometric information about the object. With the increasing population of small satellites and debris in low Earth orbit, photometry is a powerful tool in operational support of space missions, whether for anomaly resolution or object identification. To accurately determine size, shape, spin rate, status of deployables, or attitude information of an unresolved resident space object, multi-hertz sample rate photometry is required to capture the relatively rapid changes in brightness that these objects can exhibit. OSCOM, which stands for Optical …


Infographic: Academic And Social Barriers To Black And Latino Male Collegians' Success In Engineering And Related Stem Fields, Terrell Lamont Strayhorn, Joseph Allen Kitchen, Meg E. Stenz, Leroy L. Long Iii, Michael Steven Williams, William Wanyagah Jan 2017

Infographic: Academic And Social Barriers To Black And Latino Male Collegians' Success In Engineering And Related Stem Fields, Terrell Lamont Strayhorn, Joseph Allen Kitchen, Meg E. Stenz, Leroy L. Long Iii, Michael Steven Williams, William Wanyagah

Publications

Infographic about academic and social barriers to Black and Latino male collegians' success in engineering and related STEM fields.


Lessons Learned From Successful Black Male "Buoyant Believers" In Engineering And Engineering-Related Fields, Leroy L. Long Iii, Trevion Henderson Jan 2017

Lessons Learned From Successful Black Male "Buoyant Believers" In Engineering And Engineering-Related Fields, Leroy L. Long Iii, Trevion Henderson

Publications

In high-demand fields like science, technology, engineering and mathematics (STEM), more success strategies are needed to effectively recruit and retain college students. One-size fits-all approaches (i.e., those that are supposed to work for all students) often neglect the unique needs of underrepresented populations. Although some strategies exist for helping minority students succeed in STEM, the present investigation uncovered detailed information about how Black male students in engineering and engineering-related fields develop important academic traits such as confidence and resilience. To add to the limited body of literature on Black males in STEM, interview data from 27 Black male students majoring …


Work In Progress: Using Second Language Acquisition Techniques To Teach Programming - Results From A Two-Year Project, Christina Frederick, Lulu Sun Jan 2017

Work In Progress: Using Second Language Acquisition Techniques To Teach Programming - Results From A Two-Year Project, Christina Frederick, Lulu Sun

Publications

This WIP paper presents two years of findings for an NSF funded project under the Research Initiation Grant in Engineering Education (RIGEE) program. The project (SLA-aBLe) is currently in the second year of implementation and assessment. Final results from the project will be presented and discussed at the annual ASEE conference. The project used second language acquisition (SLA) theory and techniques to facilitate learning in an introductory programming language class. The project was developed by a multi-disciplinary team and involved multiple instructors and sections of an introductory programming language class using MATLAB. Each semester, instructors trained in SLA techniques taught …


The Application Of Second Language Acquisition To Programming Language Study, Lulu Sun, Christina Frederick, Li Ding, Rebecca Rohmeyer Jan 2017

The Application Of Second Language Acquisition To Programming Language Study, Lulu Sun, Christina Frederick, Li Ding, Rebecca Rohmeyer

Publications

This paper describes a design and implementation of a Second Language Acquisition in a Blended Learning (SLA-aBLe) project that aims to examine the efficacy of SLA approaches for teaching programming language. The project, which has been running for three semesters, modifies specific learning modules in a programming language class using a series of shorter videos with subtitles, online quizzes with tiered questions and comments, and a topic specified discussion board with Q&A sections. The SLA aspect of the SLA-aBLe study is emphasized through the use of strategies defined as best-practice SLA techniques, such as the inclusion of self-testing tired questions …


Infographic: Black Male "Bouyant Believers" In Engineering And Engineering-Related Fields, Leroy L. Long Iii, William Wanyagah Jan 2017

Infographic: Black Male "Bouyant Believers" In Engineering And Engineering-Related Fields, Leroy L. Long Iii, William Wanyagah

Publications

An infographic about "Black male 'buoyant believers' in engineering and engineering-related fields."


Infographic: Lessons Learned From Successful Black Male "Buoyant Believers" In Engineering And Engineering-Related Fields, Leroy L. Long Iii, William Wanyagah Jan 2017

Infographic: Lessons Learned From Successful Black Male "Buoyant Believers" In Engineering And Engineering-Related Fields, Leroy L. Long Iii, William Wanyagah

Publications

Infographic about lessons learned from successful black male "buoyant believers" in engineering and engineering-related fields.


The Impact Of Md5 File Hash Collisions On Digital Forensic Imaging, Gary C. Kessler Dec 2016

The Impact Of Md5 File Hash Collisions On Digital Forensic Imaging, Gary C. Kessler

Journal of Digital Forensics, Security and Law

The Message Digest 5 (MD5) hash is commonly used as for integrity verification in the forensic imaging process. The ability to force MD5 hash collisions has been a reality for more than a decade, although there is a general consensus that hash collisions are of minimal impact to the practice of computer forensics. This paper describes an experiment to determine the results of imaging two disks that are identical except for one file, the two versions of which have different content but otherwise occupy the same byte positions on the disk, are the same size, and have the same hash …


A New Distributed Chinese Wall Security Policy Model, Saad Fehis, Omar Nouali, Mohand-Tahar Kechadi Dec 2016

A New Distributed Chinese Wall Security Policy Model, Saad Fehis, Omar Nouali, Mohand-Tahar Kechadi

Journal of Digital Forensics, Security and Law

The application of the Chinese wall security policy model (CWSPM) to control the information flows between two or more competing and/or conflicting companies in cloud computing (Multi-tenancy) or in the social network, is a very interesting solution. The main goal of the Chinese Wall Security Policy is to build a wall between the datasets of competing companies, and among the system subjects. This is done by the applying to the subjects mandatory rules, in order to control the information flow caused between them. This problem is one of the hottest topics in the area of cloud computing (as a distributed …


Leveraging The Windows Amcache.Hve File In Forensic Investigations, Bhupendra Singh, Upasna Singh Dec 2016

Leveraging The Windows Amcache.Hve File In Forensic Investigations, Bhupendra Singh, Upasna Singh

Journal of Digital Forensics, Security and Law

The Amcache.hve is a registry hive file that is created by Microsoft® Windows® to store the information related to execution of programs. This paper highlights the evidential potential of Amcache.hve file and its application in the area of user activity analysis. The study uncovers numerous artifacts retained in Amcache.hve file when a user performs certain actions such as running host-based applications, installation of new applications, or running portable applications from external devices. The results of experiments demonstrate that Amcache.hve file stores intriguing artifacts related to applications such as timestamps of creation and last modification of any application; name, description, publisher …


Bloom Filters Optimized Wu-Manber For Intrusion Detection, Monther Aldwairi, Koloud Al-Khamaiseh, Fatima Alharbi, Babar Shah Dec 2016

Bloom Filters Optimized Wu-Manber For Intrusion Detection, Monther Aldwairi, Koloud Al-Khamaiseh, Fatima Alharbi, Babar Shah

Journal of Digital Forensics, Security and Law

With increasing number and severity of attacks, monitoring ingress and egress network traffic is becoming essential everyday task. Intrusion detection systems are the main tools for capturing and searching network traffic for potential harm. Signature-based intrusion detection systems are the most widely used, and they simply use a pattern matching algorithms to locate attack signatures in intercepted network traffic. Pattern matching algorithms are very expensive in terms of running time and memory usage, leaving intrusion detection systems unable to detect attacks in real-time. We propose a Bloom filters optimized Wu-Manber pattern matching algorithm to speed up intrusion detection. The Bloom …


The Impact Of Sha-1 File Hash Collisions On Digital Forensic Imaging: A Follow-Up Experiment, Gary C. Kessler Dec 2016

The Impact Of Sha-1 File Hash Collisions On Digital Forensic Imaging: A Follow-Up Experiment, Gary C. Kessler

Journal of Digital Forensics, Security and Law

A previous paper described an experiment showing that Message Digest 5 (MD5) hash collisions of files have no impact on integrity verification in the forensic imaging process. This paper describes a similar experiment applied when two files have a Secure Hash Algorithm (SHA-1) collision.


The 2016 Analysis Of Information Remaining On Computer Hard Disks Offered For Sale On The Second Hand Market In The Uae, Thomas Martin, Andy Jones, Mohammed Alzaabi Dec 2016

The 2016 Analysis Of Information Remaining On Computer Hard Disks Offered For Sale On The Second Hand Market In The Uae, Thomas Martin, Andy Jones, Mohammed Alzaabi

Journal of Digital Forensics, Security and Law

This research describes our survey of data remaining on computer hard disks sold on the second hand market in the United Arab Emirates (UAE). This is a repetition of the first survey conducted in 2012 (Jones, Martin, & Alzaabi, 2012). Similar studies have been carried over the last ten years in the United Kingdom, Australia, USA, Germany and France: (Jones, Mee, Meyler, & Gooch, 2005), (Jones, Valli, Sutherland, & Thomas, 2006), (Jones, Valli, Dardick, & Sutherland, 2008), (Jones, Valli, Dardick, & Sutherland, 2009). This research was undertaken to gain insight into the volumes of data found on second-hand disks purchased …


A Survey Of Social Network Forensics, Umit Karabiyik, Muhammed Abdullah Canbaz, Ahmet Aksoy, Tayfun Tuna, Esra Akbas, Bilal Gonen, Ramazan S. Aygun Dec 2016

A Survey Of Social Network Forensics, Umit Karabiyik, Muhammed Abdullah Canbaz, Ahmet Aksoy, Tayfun Tuna, Esra Akbas, Bilal Gonen, Ramazan S. Aygun

Journal of Digital Forensics, Security and Law

Social networks in any form, specifically online social networks (OSNs), are becoming a part of our everyday life in this new millennium especially with the advanced and simple communication technologies through easily accessible devices such as smartphones and tablets. The data generated through the use of these technologies need to be analyzed for forensic purposes when criminal and terrorist activities are involved. In order to deal with the forensic implications of social networks, current research on both digital forensics and social networks need to be incorporated and understood. This will help digital forensics investigators to predict, detect and even prevent …


Table Of Contents Dec 2016

Table Of Contents

Journal of Digital Forensics, Security and Law

No abstract provided.


Wave Motion Induced By Turbulent Shear Flows Over Growing Stokes Waves, Shahrdad Sajjadi, Serena Robertson, Rebecca Harvey, Mary Brown Dec 2016

Wave Motion Induced By Turbulent Shear Flows Over Growing Stokes Waves, Shahrdad Sajjadi, Serena Robertson, Rebecca Harvey, Mary Brown

Publications

The recent analytical of multi-layer analyses proposed by Sajjadi et al. (J Eng Math 84:73, 2014) (SHD14 therein) is solved numerically for atmospheric turbulent shear flows blowing over growing (or unsteady) Stokes (bimodal) water waves, of low-to-moderate steepness. For unsteady surface waves, the amplitude a(t)∝ekcita(t)∝ekcit, where kcikci is the wave growth factor, k is the wavenumber, and cici is the complex part of the wave phase speed, and thus, the waves begin to grow as more energy is transferred to them by the wind. This will then display the critical height to a point, where the thickness of the inner …


The Mars Desert Research Station - Erau Crew 160 Expedition, Lycourgos Manolopoulos, Ashley Hollis-Bussey, Hiroki Sugimoto, Cassandra Vella, John Herman, Marc Carofano Dec 2016

The Mars Desert Research Station - Erau Crew 160 Expedition, Lycourgos Manolopoulos, Ashley Hollis-Bussey, Hiroki Sugimoto, Cassandra Vella, John Herman, Marc Carofano

Student Works

The Mars Desert Research Station (MDRS) is a research program which is owned and operated by the Mars Society. The MDRS is located in Hanksville, Utah which hosts simulations that are typically two weeks long for professional scientists and engineers as well as college students of all levels, in training for human operations specifically on Mars. This space analog facility is in isolation, allowing for rigorous field studies regarding research that represents a true mission as if the crew members are conducting a real expedition on Mars. Participants are assigned specific roles and tasks that are typically aligned with their …


Autonomous Satellite Recovery Vehicle (Asrv) Final Report, Devonte Grantham, Francisco Pastrana, Collin R. Topolski Dec 2016

Autonomous Satellite Recovery Vehicle (Asrv) Final Report, Devonte Grantham, Francisco Pastrana, Collin R. Topolski

Student Works

In collaboration with Embry-Riddle Future Space Explorers and Developers Society (ERFSEDS), we came up with the idea to build a quad-copter/sensor system that could be deployed from a rocket. The goal is to build a new chassis for the quad-copters electronic components that will allow the quad-copters arms to fold inwards to meet the required space constraints of a rocket. In addition to the critical components of the quad-copter, our design will integrate a number of other data collecting sub-systems currently being used in a weather balloon designed by Society 4 S.P.A.C.E. club members. After being jettisoned from the rocket, …


Active Management Assistant System For Embry-Riddle Ecocar 3 Hybrid Supervisory Control System, Matthew Nelson, Blair Cutting, Michael J. Aleardi Dec 2016

Active Management Assistant System For Embry-Riddle Ecocar 3 Hybrid Supervisory Control System, Matthew Nelson, Blair Cutting, Michael J. Aleardi

Student Works

The Embry-Riddle EcoCAR 3 team is developing a prototype hybrid Chevrolet Camaro utilizing a customized vehicle powertrain controller. This controller is serving to ensure system safety, vehicle operation, and consumer drivability while also incorporating advanced driving aids to achieve both the desired performance levels one expects from a Camaro as well as vehicle efficiency. This vehicle must reach the team set vehicle technical specifications of a 4.9 second 0 to 60 time while maintaining a 53 miles per gallon gasoline equivalence rating.

In order to reach the efficiency goal, the team is developing an Active Management Assistance System utilizing computer …