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Full-Text Articles in Engineering

Changing The Process In Educational Field And Air Navigation Through Advances In Hologram Technology, Camilo Fernandez Sr. Apr 2021

Changing The Process In Educational Field And Air Navigation Through Advances In Hologram Technology, Camilo Fernandez Sr.

Journal of Aviation Technology and Engineering

The objective of this piece is to propose reasons that change the way air traffic controllers and others learn and work in air navigation, but also how they can improve workloads, due to the implementation of holographic radar. This research also aims to describe how this could reduce the cognitive load of an operator, thanks to the improvement of visual perspective and capacity of analysis, in order to more easily control an aircraft.

Seeing that the visual facilitation is well known, radar is able to represent in three dimensions and in detail that which could not previously be perceived. This ...


Design Of Rotorcraft Performance-Based Navigation Routes And Procedures: Current Challenges And Prospects, Carlos Gonzaga Lopez Apr 2021

Design Of Rotorcraft Performance-Based Navigation Routes And Procedures: Current Challenges And Prospects, Carlos Gonzaga Lopez

Journal of Aviation Technology and Engineering

Helicopters play a relevant role in society due to their extraordinary versatility. However, they are particularly vulnerable to adverse weather conditions as the majority of operations are carried out under visual flight rules. This is partly due to the shortage of tailored helicopter instrument flight procedures and routes. The emergence of the performance-based navigation concept supported by the latest satellite navigation technologies has opened up new possibilities for rotorcraft operations in the last few years. This paper presents an extensive overview of the state of the art in the design of performance-based navigation routes for helicopters from two main standpoints ...


You Want Me To Teach Engineering? Impacts Of Recurring Experiences On K-12 Teachers’ Engineering Design Self-Efficacy, Familiarity With Engineering, And Confidence To Teach With Design-Based Learning Pedagogy, Shaunna Smith, Kimberly Talley, Araceli Ortiz, Vedaraman Sriraman Apr 2021

You Want Me To Teach Engineering? Impacts Of Recurring Experiences On K-12 Teachers’ Engineering Design Self-Efficacy, Familiarity With Engineering, And Confidence To Teach With Design-Based Learning Pedagogy, Shaunna Smith, Kimberly Talley, Araceli Ortiz, Vedaraman Sriraman

Journal of Pre-College Engineering Education Research (J-PEER)

This paper reports on findings from a group of ten teachers who were enrolled in a semester-long, graduate-level educational technology course that used design-based learning to explore the integration of making and the engineering design process into a variety of K-12 educational contexts. Using convergent mixed methods, this study examines how the course impacted teachers’ familiarity and confidence in teaching the engineering design process, as viewed through their pre- and post-semester engineering design self-efficacy scores and their weekly reflective journal entries. These measures are important factors for developing teacher experience and confidence in integrating engineering and design-based learning strategies within ...


Airplane Pitch Response To Rapid Configuration Change: Flight Test And Safety Assessment, Ralph Kimberlin, Markus Wilde, Brian Kish, Isaac Silver Apr 2021

Airplane Pitch Response To Rapid Configuration Change: Flight Test And Safety Assessment, Ralph Kimberlin, Markus Wilde, Brian Kish, Isaac Silver

Journal of Aviation Technology and Engineering

This paper examines airplane response to rapid flap extension on seven general aviation airplanes. The scenario involves a pilot flying in the traffic pattern becoming distracted, abruptly extending flaps while looking outside the airplane, and failing to notice airspeed and pitch-attitude changes. The airplanes tested reached pitch forces of up to 36 lbf, meeting FAA requirements but exceeding the capability of 55% of the population. Flight data showed a pitch-up to more than 30˚ in 5 s after flap extension, causing airspeed to drop below stall speed for four of the airplanes. At traffic pattern altitudes, stalling an airplane can ...


Intersecting Engineering And Literacies: A Review Of The Literature On Communicative Literacies In K-12 Engineering Education, Katarina N. Silvestri, Michelle E. Jordan, Patricia Paugh, Mary B. Mcvee, Diane L. Schallert Feb 2021

Intersecting Engineering And Literacies: A Review Of The Literature On Communicative Literacies In K-12 Engineering Education, Katarina N. Silvestri, Michelle E. Jordan, Patricia Paugh, Mary B. Mcvee, Diane L. Schallert

Journal of Pre-College Engineering Education Research (J-PEER)

Given the increased attention on pre-college engineering education and its disciplinary nature pertaining to language, discourses, and communicative practices, this state-of-the-art literature review focused on findings of research articles informed by qualitative and quantitative data to foreground communicative literacies within engineering design teams at the pre-college level. A disciplinary literacies framework was used to interpret and analyze published works in this particular domain. A search, selection, and inclusion process typical for state-of-the-art reviews yielded 33 studies. Constant comparison and open-coding led to clustering studies under five overarching themes in ranked order of frequency of occurrence pertaining to: (a) engineering disciplinary ...


Research Experiences Instrument Scoring Guide, Eric Holloway, Kerrie Anna Douglas, William Charles Oakes, David Radcliffe Feb 2021

Research Experiences Instrument Scoring Guide, Eric Holloway, Kerrie Anna Douglas, William Charles Oakes, David Radcliffe

School of Engineering Education Faculty Publications

This document is a scoring guide to assist higher-education administrators, faculty, and researchers who wish to use the Research Experiences Instrument (REI). There are five aspects, or factors, that the REI is intended to measure relative to engineering Ph.D. students’ opportunities to practice being a professional in their research experiences, and an overall REI score. Detailed scoring instructions are provided. The REI was developed to assess how the research experiences of engineering Ph.D. students are preparing them for practice. Utilizing a rigorous instrument development process, the REI was shown to be a tool that can reliably and validly ...


Mapping Of The Information Flow Of The Valle Occidental Coffee Region: A System-Of-Systems Perspective, Irene Campos Feb 2021

Mapping Of The Information Flow Of The Valle Occidental Coffee Region: A System-Of-Systems Perspective, Irene Campos

CESUN Conference

Uncertainty is a characteristic of many of the contemporary environments that our systems inhabit. In the case of farming systems, uncertainty has always been present in the form of unpredictable weather conditions, disease outbreaks and evolving societal and economic factors. Uncertainty poses a challenge for communication and information alignment, which is especially important for a farming system responding to disasters. A first step towards finding solutions for problems of information alignment in systems is mapping and identifying information links in them. The goal of this research is to map the information flow and feedback dynamics of the Valle Occidental coffee ...


Exploring How Prize Challenges Complement An Organization's Innovation Efforts, Ademir Vrolijk, Zoe Szajnfarber Feb 2021

Exploring How Prize Challenges Complement An Organization's Innovation Efforts, Ademir Vrolijk, Zoe Szajnfarber

CESUN Conference

prize challenge, open innovation, crowdsourcing, NASA, 3D Printed Habitat Challenge, additive manufacturing


Risk Management Decision Making For Security And Trust In Hardware Supply Chains, Zachary A. Collier, Thomas L. Polmateer, James H. Lambert Feb 2021

Risk Management Decision Making For Security And Trust In Hardware Supply Chains, Zachary A. Collier, Thomas L. Polmateer, James H. Lambert

CESUN Conference

Modern cyber-physical systems are enabled by electronic hardware and embedded systems. The security of these sub-components is a concern during the design and operational phases of cyber-physical system life cycles. Compromised electronics can result in mission-critical failures, unauthorized access, and other severe consequences. As systems become more complex and feature greater connectivity, system owners must make decisions regarding how to mitigate risks and ensure resilience and trust. This paper provides an overview of research efforts related to assessing and managing risks, resilience, and trust with an emphasis on electronic hardware and embedded systems. The research takes a decision-oriented perspective, drawing ...


The Challenges And Opportunities Of Teaching Systems Engineering For Large Scale Engineering Systemse, Edward Pines, Dennis Engi Feb 2021

The Challenges And Opportunities Of Teaching Systems Engineering For Large Scale Engineering Systemse, Edward Pines, Dennis Engi

CESUN Conference

In this paper, we discuss a course in large scale systems engineering that was developed as part of a twelve-credit Graduate Certificate in Systems Engineering for part-time and returning students. Our focus was on how to work on big, unmanageable, messy problems. Teaching systems engineering for large-scale engineering systems is challenging for many reasons. One of the main challenges is the breadth of material to be addressed within one or two courses. Other challenges result from how students learn about the transitions from the development of a conceptual framework to systems architecture through engineering design, mathematical analysis and eventual construction ...


Propose Of Architecture Design For Early Warning System With Space And Terrestrial Infrastructure, Akihiko Nishino Feb 2021

Propose Of Architecture Design For Early Warning System With Space And Terrestrial Infrastructure, Akihiko Nishino

CESUN Conference

The purpose of this research is to design an architecture of early warning system with Global Navigation Satellite System (GNSS) and terrestrial infrastructure for improving a coverage of disaster information dissemination. In the proposed architecture, segments and information flow are identified in order to introduce an early warning system to target areas where there are no such kinds of public alert distribution. It can be adapted worldwide by combining GNSS satellite and terrestrial infrastructure. At the beginning of disaster, information will be sent from the agency via GNSS to terrestrial infrastructure, widely used such as a siren and a public ...


Improving Writing Quality Of Capstone Reports, Fred Berry, Margaret Phillips, James Condron, Phillip Sanger Feb 2021

Improving Writing Quality Of Capstone Reports, Fred Berry, Margaret Phillips, James Condron, Phillip Sanger

Libraries Faculty and Staff Scholarship and Research

Abstract-Contributions: The main contribution is to share a series of practical methods that improve the writing quality of capstone reports. Background: The ability to write well is critical to the success of an engineering technology graduate. However, the evidence points to the fact that industries are disappointed with the quality of writing skills graduates demonstrate. Intended Outcomes: A faculty review of capstone reports showed little improvement in writing quality from the first course to the second in a two-semester capstone sequence. Therefore, the instructors explored what actions were needed to improve the writing quality of the capstone reports. Application Design ...


Atmospheric Pressure Calibration To Improve Accuracy Of Transponder-Based Aircraft Operations Counting Technology, John H. Mott, Chuyang Yang, Darcy M. Bullock Jan 2021

Atmospheric Pressure Calibration To Improve Accuracy Of Transponder-Based Aircraft Operations Counting Technology, John H. Mott, Chuyang Yang, Darcy M. Bullock

Journal of Aviation Technology and Engineering

In the United States, over 2,400 of the 2,941 non-primary National Plan of Integrated Airport System airports have limited means of establishing operations counts due to lack of available personnel. Precise counts of airport operations are helpful for allocating airport improvement funds, as well as for local and system planning. An emerging technology utilizing ADS-B position data to calibrate signal strength received from Mode C transponders, thereby capturing location information from over 90% of the aircraft operating in the National Airspace System, has successfully estimated operations counts at these non-towered airports with reasonable levels of accuracy. This paper ...


An Hfacs Analysis Of German F-104 Starfighter Accidents, Steven Esser, Hans-Joachim K. Ruff-Stahl Jan 2021

An Hfacs Analysis Of German F-104 Starfighter Accidents, Steven Esser, Hans-Joachim K. Ruff-Stahl

Journal of Aviation Technology and Engineering

From 1961 onwards, Germany acquired 916 Lockheed F-104 Starfighters, of which 292 aircraft crashed and 116 pilots lost their lives. The purpose of this research project was to find out why these aircraft crashed and whether the Starfighters crashed for reasons different from those for other military aircraft in Germany. Seventy-one German F-104 accidents between 1978 and 1986 were analyzed by reviewing the original accident files. A Human Factors Analysis and Classification System (HFACS) Level-1 analysis was used as methodology. It was found that more than 50% of the reviewed German F-104 accidents occurred due to technology and/or physical ...


Tooling Design Modeling For Composite Fuselage Of Beechcraft King Air 250 Using Catia, Miazor Fidelis Ekom Jan 2021

Tooling Design Modeling For Composite Fuselage Of Beechcraft King Air 250 Using Catia, Miazor Fidelis Ekom

Journal of Aviation Technology and Engineering

Aircraft’s constant operation in tough conditions necessitates the need for structural components of high strength yet low weight. Composite materials are being used as an alternative to conventional aluminum alloys because of their competitive strength-to-weight and stiffness-to-weight ratios. In this paper, the detailed design procedure of a light-aircraft composite material fuselage tooling in three dimensions is shown. In its operation, the layup tools provide a surface for the composite part which is the correct shape of the part and is stable through the cure cycle, and also providing a means of indexing the part for the next manufacturing operation ...


How Does An Integrated Stem Life Sciences Unit Affect Middle School Students' Engagement And Science Content Knowledge?, Zeynep Gonca Akdemir, Muhsin Menekse, Saira Anwar, Siddika Selcen Guzey Jan 2021

How Does An Integrated Stem Life Sciences Unit Affect Middle School Students' Engagement And Science Content Knowledge?, Zeynep Gonca Akdemir, Muhsin Menekse, Saira Anwar, Siddika Selcen Guzey

Indiana STEM Education Conference

This study explored the effect of an integrated engineering design-based life sciences unit on middle school students' engagement and science content knowledge, and the role of engagement in predicting their success. Participants were 530 seventh-grade students from rural schools in the Midwest region of the United States. Data included science content pre- and post-assessments and a multidimensional engagement survey. The data were analyzed by conducting paired-sample t-tests and multiple regression analysis. Results indicated that students' social engagement increased when they engaged in an integrated engineering design-based life science curriculum unit. Also, students’ pre-assessment scores were found to be the ...


Preface And Acknowledgments, William S. Walker Iii, Lynn A. Bryan, Siddika Selcen Guzey, Elizabeth Suazo-Flores Jan 2021

Preface And Acknowledgments, William S. Walker Iii, Lynn A. Bryan, Siddika Selcen Guzey, Elizabeth Suazo-Flores

Indiana STEM Education Conference

No abstract provided.


Goals And Proceedings Information, William S. Walker Iii, Lynn A. Bryan, Siddika Selcen Guzey, Elizabeth Suazo-Flores Jan 2021

Goals And Proceedings Information, William S. Walker Iii, Lynn A. Bryan, Siddika Selcen Guzey, Elizabeth Suazo-Flores

Indiana STEM Education Conference

No abstract provided.


Contents, William S. Walker Iii, Lynn A. Bryan, Siddika Selcen Guzey, Elizabeth Suazo-Flores Jan 2021

Contents, William S. Walker Iii, Lynn A. Bryan, Siddika Selcen Guzey, Elizabeth Suazo-Flores

Indiana STEM Education Conference

No abstract provided.


Integrating Online Discussions Into Engineering Curriculum To Endorse Interdisciplinary Viewpoints, Promote Authentic Learning, And Improve Information Literacy, Lisa Bosman, Kurt Paterson, Margaret Phillips Jan 2021

Integrating Online Discussions Into Engineering Curriculum To Endorse Interdisciplinary Viewpoints, Promote Authentic Learning, And Improve Information Literacy, Lisa Bosman, Kurt Paterson, Margaret Phillips

Libraries Faculty and Staff Scholarship and Research

Engineering is very much an applied discipline where math and science concepts, skills, and tools can be used to design products or processes with new and/or increased value. Research suggests active learning is an effective method for teaching and learning in the engineering classroom. Moreover, students continue to express increased satisfaction when taught using this experiential pedagogical approach. One approach to active learning gaining traction in the engineering classroom is the use of online discussions. The purpose of this paper is to offer a structured approach for engineering educators to develop online discussion prompts aimed to prepare engineering students ...


A Survey On Subsurface Signal Propagation, Usman Raza, Abdul Salam Dec 2020

A Survey On Subsurface Signal Propagation, Usman Raza, Abdul Salam

Faculty Publications

Wireless Underground Communication (WUC) is an emerging field that is being developed continuously. It provides secure mechanism of deploying nodes underground which shields them from any outside temperament or harsh weather conditions. This paper works towards introducing WUC and give a detail overview of WUC. It discusses system architecture of WUC along with the anatomy of the underground sensor motes deployed in WUC systems. It also compares Over-the-Air and Underground and highlights the major differences between the both type of channels. Since, UG communication is an evolving field, this paper also presents the evolution of the field along with the ...


A Note From The Editor, Daphne Fauber Nov 2020

A Note From The Editor, Daphne Fauber

Ideas: Exhibit Catalog for the Honors College Visiting Scholars Series

This piece is a letter from Daphne Fauber, the editor of this issue of Ideas. In the letter, the editor introduces the work of Dr. Paschalis Gkoupidenis as well as the moment in time in which his Visiting Scholars talk occurs.


Introduction To Neuromorphic Computing, Sadid R. Khan Nov 2020

Introduction To Neuromorphic Computing, Sadid R. Khan

Ideas: Exhibit Catalog for the Honors College Visiting Scholars Series

Neuromorphic computing is an emerging field that has the potential to drastically influence every human’s life within the next decades. Neuromorphic computing explores the computing process of the brain and attempts to replicate it onto modern electronics. It offers improvements on current computer architecture, the von Neumann architecture, and will lead to more efficient computing, easier development of machine learning, and further integration of electronics and biology.


In The Pursuit Of Assistance: A Team's Desire To Not Let A Congenital Amputation Get In A Young Boy's Way, Carl Russell Iii, Gavin Loucks, Kirsten Wozniak Oct 2020

In The Pursuit Of Assistance: A Team's Desire To Not Let A Congenital Amputation Get In A Young Boy's Way, Carl Russell Iii, Gavin Loucks, Kirsten Wozniak

Purdue Journal of Service-Learning and International Engagement

EPICS is a service-learning design program run through Purdue University. It strives to teach students design skills through providing for individuals, communities, and organizations in the surrounding area while mirroring engineering industry standards. BME (Biomedical Engineering) is a team within EPICS that strives to serve community partners through biomedical applications. William Sevick is an elementary school student with a congenital arm amputation. William and his family have been working with the BME team for the past three years designing assistive devices with the purpose of improving his actions in daily life such as eating, playing games, and riding his bike.


Epics Urban Farming: Bringing Sustainable Fresh Food To Gary, Indiana, Elijah Klein Oct 2020

Epics Urban Farming: Bringing Sustainable Fresh Food To Gary, Indiana, Elijah Klein

Purdue Journal of Service-Learning and International Engagement

EPICS Urban Farming is a team of seventeen undergraduate students designing and implementing an aquaponics and food distribution system in Gary, Indiana. With the area being a food desert, most people turn to corner stores for food that is easily accessible and cheap but unhealthy. From this diet, there are quite a few widespread health concerns that the population of Gary, Indiana, faces daily. For example, obesity, diabetes, and heart conditions are some of the most common diseases that plague the community. Urban Farming is working to aid in combating these issues with the partnership of Pastor Marty Henderson, who ...


Global Air Quality Trekkers: Nandi Clean Kitchen Study, Samantha Dykhuis, Stephanie Schiavo, Avalin Senefeld Oct 2020

Global Air Quality Trekkers: Nandi Clean Kitchen Study, Samantha Dykhuis, Stephanie Schiavo, Avalin Senefeld

Purdue Journal of Service-Learning and International Engagement

Indoor air pollution is a widespread environmental health challenge sub-Saharan Africa and is the leading cause of premature death in many sub-Saharan African countries. This pollution is primarily caused by the burning of biomass fuels inside an enclosed kitchen in order to provide heat for cooking. Global Air Quality Trekkers is an undergraduate engineering team within the EPICS department at Purdue that began in fall 2016. Our objective is to create a kitchen design that utilizes natural ventilation to mitigate the amount of air pollutants present in these kitchens, specifically in the Nandi community of Western Kenya. This year, our ...


Students Becoming Supervisors: Student Transformation During A Cross-National, Collaborative Community Engineering Project, Alessandra Napoli, Kevin Nyaga, Dhinesh Radhakrishnan, Jennifer J. Deboer Oct 2020

Students Becoming Supervisors: Student Transformation During A Cross-National, Collaborative Community Engineering Project, Alessandra Napoli, Kevin Nyaga, Dhinesh Radhakrishnan, Jennifer J. Deboer

Purdue Journal of Service-Learning and International Engagement

The Tumaini Innovation Center in Eldoret, Kenya, is an alternative primary and vocational school for former "street youth." The DeBoer Lab at Purdue has partnered with Tumaini for the last five years to develop and support integrated engineering activities for the students, which apply their learning to solve problems in their own communities. A Purdue Service Learning Grant project started in November 2018 resulted in the construction of a community gym at Tumaini. A low-cost custom made gym was designed by a team of doctoral and undergraduate students at Purdue in collaboration with Tumaini. In addition to the design and ...


Emergence And Compassion: A Reflection On Interpersonal Priorities Strategies Within Collaborative Settings, Chanel Beebe Oct 2020

Emergence And Compassion: A Reflection On Interpersonal Priorities Strategies Within Collaborative Settings, Chanel Beebe

Purdue Journal of Service-Learning and International Engagement

The nature of work with and for humans and communities requires intentional relationship building that can be rife with complexities, foibles, discomfort, and learning. As scholars, researchers, practitioners, educators, and students, we carry a multitude of identities and dispositions that make collaborative work and change-making a messy and potentially emotional journey. Thus, many groups that find themselves on this journey often struggle to develop harmonious or impactful lasting relationships and often create toxic or harmful working environments for those who are the most marginalized or have the least power. The goal of this work is to provide a reflection on ...


Retrospective Analysis Of Participatory Decision-Making In A Park's Construction In Lafayette, Indiana, Joshua Randall Oct 2020

Retrospective Analysis Of Participatory Decision-Making In A Park's Construction In Lafayette, Indiana, Joshua Randall

Purdue Journal of Service-Learning and International Engagement

The Creative Park project has been an ongoing collaboration between Purdue Engineering Projects in Community Service (EPICS), Faith Community Development Corporation, and the residents of Lincoln Neighborhood in Lafayette, Indiana. It was initiated by Faith in 2017 as an open-ended attempt to increase local children’s interactions with creative and complex thinking as well as decreasing time spent indoors at the Hartford Hub. Through several iterations of designs, an interdisciplinary team with one consistent member has developed a plan to build a treehouse-themed park to be constructed in spring 2020. Throughout this time two major themes have arisen: that the ...


The Hartford Hub’S Creative Park: A Reflection On Epics And The Importance Of Community, Nasser Alsinan Oct 2020

The Hartford Hub’S Creative Park: A Reflection On Epics And The Importance Of Community, Nasser Alsinan

Purdue Journal of Service-Learning and International Engagement

In this project, the team aspires to build a Creative Park next to the Hartford Hub, a neighborhood community center that serves the people of the Lincoln Neighborhood in Lafayette. In this reflective essay, the author discusses the impact of this EPICS project on both the community and on himself, as the NS team seeks to establish both a staple for the Hartford Hub and a birthplace for the children’s memories through the creation of the Creative Park.