Engineering Commons^™

Vapor-Selective Active Membrane Energy Exchanger For High Efficiency Outdoor Air Treatment, Andrew J. Fix, James E. Braun, David M. Warsinger

School of Mechanical Engineering Faculty Publications

As much as 40% of the total load on air conditioning systems can be attributed to condensation dehumidification. However, new water vapor-selective membranes present a unique opportunity to greatly reduce the power requirements for moisture removal by avoiding phase change and have thus been ranked as a top alternative to traditional HVAC systems. To date, however, all such systems have relied on the assumption of constant temperature, even terming the technology “isothermal dehumidification.” This work proposes a membrane-based air cooling and dehumidification approach, referred to as the Active Membrane Energy Exchanger (AMX), which is the first to provide simultaneous, yet …

Detection And Tracking Of Pedestrians Using Doppler Lidar, Xiaoyi Peng, Jie Shan

Lyles School of Civil Engineering Faculty Publications

Pedestrian detection and tracking is necessary for autonomous vehicles and traffic manage- ment. This paper presents a novel solution to pedestrian detection and tracking for urban scenarios based on Doppler LiDAR that records both the position and velocity of the targets. The workflow consists of two stages. In the detection stage, the input point cloud is first segmented to form clus- ters, frame by frame. A subsequent multiple pedestrian separation process is introduced to further segment pedestrians close to each other. While a simple speed classifier is capable of extracting most of the moving pedestrians, a supervised machine learning-based classifier …

Active Experiential Learning At A Distance, Zach Schreiber, Robert J. Herrick, Anne M. Lucietto

School of Engineering Education Faculty Publications

E-learning became the mode of instruction for students worldwide during the COVID-19 pandemic. Instruction was forced onto numerous online platforms quickly, some seamlessly and some not. For those not well versed in online education, the move of all forms of education, including hands-on, laboratory experiential learning, deprived students of new experiences, skills, and knowledge due to a lack of provisions to perform remotely. Uncertain of the pandemic’s duration as well as the future of hands-on education, these authors investigated new technology, equipment, and experiments that would provide a hands-on laboratory experience performed by students at a distance. In response to …

The Development Of Techie Times, Brian D. Tedeschi, Julia K. Miller, Anne M. Lucietto, Nancy L. Denton

School of Engineering Education Faculty Publications

Summer 2020 provided the motivation and opportunity to move summer outreach programs into the virtual world. Faculty and students in the Purdue University School of Engineering Technology moved face-to-face programs into a middle school program called Techie Times. This program was designed to provide students with an organized platform occurring just before the school year started, allowing them to learn at home, working with family, or independently. The program was designed to take place nonconsecutively over eight days, covering five various STEM topics. Some of these activities were already a part of the middle school curriculum; others were not. That …

Assessing Intuition Used Among Undergraduate Engineering Technology And Engineering Students, Melissa Cai Shi, Therese M. Azevedo, Anne M. Lucietto

School of Engineering Education Faculty Publications

Intuition plays an essential role in decision-making and is independent of an analytical way of thinking that is considered a gut feeling. Individuals can shape their intuition, and each field of study develops a variety of skills and trains students for a way of thinking needed for that specific area. A focus on undergraduate engineering technology students and comparing them to undergraduate engineering students allows this study to examine the types of intuition used by these two groups. The Types of Intuition Scale (TIntS), an established, validated instrument, which categorizes intuition into inferential, affective, holistic abstract, and holistic big picture …

Exploring Young Women’S Interest In Fluid Power With Workshop Experiences, Anne M. Lucietto, Jennifer D. Moss, Jose M. Garcia, John H. Lumkes

School of Engineering Education Faculty Publications

Fluid power is not an engineering topic usually presented to students in grades K-12. However undergraduate students in various programs are required to learn this concept. Evidence exists that indicates college students are more easily engaged when fluid power has been introduced earlier in their schooling. Thus, a variety of organizations are beginning work toward providing programs to creatively present the topic to younger students. After an examination of existing literature, we found minimal evidence of this type of work having been carried out and reported on. This study examines data from workshops designed to introduce fluid power to middle …

Study Of Organizational Knowledge Retention Practices In The Utilities, Eric G. Barnfather Jr., Kelly A. Mcfall, Anne M. Lucietto

School of Engineering Education Faculty Publications

One key to the successful and long-term survival of an organization involves knowledge capture and retention. The knowledge may include company secrets, lessons learned, and hard-earned best-practices that are lost, forgotten, or disorganized in the event of staff loss or early retirement. In the United States, the aging workforce poses a specific difficulty vis a vie utility workers. Many are quickly approaching retirement and operations staff are heavily impacted by this movement. Properly capturing and retaining employee’s tacit knowledge is a labor-intensive task as it is usually transferred through personal observation with demonstration, mentors, apprenticeships, or on-the-job training. Consequently, articulating …

Minority Graduates In Engineering Technology: Trends In Choice Of Major, Yury Alexandrovich Kuleshov, Emily Rada, Anne M. Lucietto

School of Engineering Education Faculty Publications

The paper presents a demographic analysis of college graduates in engineering technology (ET). The paper intends to investigate the graduates’ background, population, and choice of major. Graduates in ET are a much smaller population than those found in other Science, Technology, Engineering, and Mathematics (STEM) programs. Little publishing exists about who they are and how long it took to pursue their degree while examining other available demographic data. The delineation of this paper does not include computer science and computer technology programs. Several opinions exist about who these students are, where they come from, and what interests them. The paper …

Academic And Industry Collaboration: A Literature Review, Anne M. Lucietto, Diane L. Peters, Meher Rusi Taleyarkhan, Shelly Tan

School of Engineering Education Faculty Publications

As part of a larger project determining best practices for establishing and maintaining effective, sustainable, collaborative relationships between academic and industry professionals, this review will outline the available materials and, conversely, the multiple gaps that exist regarding course content, methods of teaching, and practical experience relating to preparation for careers in engineering and engineering technology. Currently, there is no clear agreement on which principles and practices best enable industrial partners and academic institutions to establish and maintain mutually-beneficial partnerships. In fact, there is no clear definition in the literature of what a mutually-beneficial partnership entails, across the full range of …

Women And Bipoc In Aerospace: Where Did They Come From And How Did They Get Here?, Tracy L. Yother, Anne M. Lucietto, Geanie Umberger, Mary E. Johnson

School of Engineering Education Faculty Publications

The low number of women and black, indigenous, and people of color (BIPOC) compared to their population, is well-documented in engineering, engineering technology, and other STEM fields. Through this and ancillary documentation there is agreement that increasing the numbers of women and other minorities in these areas will enhance productivity and the breadth of new innovation. Many efforts have been made to increase the number of women and BIPOC in STEM fields. The result of those efforts has been disappointing as they have resulted in minimal growth in engineering and virtual stagnation in other areas of STEM. The aviation and …

Journal Of Pre-College Engineering Education Research (J-Peer) Annual Report From January 1, 2020 To December 31, 2020, Senay Purzer, Kami N. Schwatz

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

Over the last ten years, the Journal of Pre-College Engineering Education Research (J-PEER) has been disseminating research that seeks to investigate, enhance, and transform pre-college engineering education and, ultimately, to create an engineering‐literate society. The 2020 annual report presents readership metrics and statistics of the decade, trends and metrics on J-PEER's authorship in 2020, and our reflections on the last year.

Agile And Lean Six Sigma Integration: A Leadership Framework, Alessandro Laureani

International Conference on Lean Six Sigma

Submitting final version of the paper attached.

Agile and Lean Six Sigma integration: a Leadership framework

Author: Alessandro Laureani, Independent Lean Six Sigma Scholar, Ireland

E-mail: alaureani@hotmail.com Phone: +353 87 914 4532

Purpose

The purpose of this paper is to illustrate how Agile methodologies and Lean Six Sigma can coexist and propose a Leadership framework to successfully merge Agile methodologies with Lean Six Sigma practice.

Design/methodology/approach

The paper builds on the author’s doctoral thesis on Leadership for Lean Six Sigma, and integrate Agile practices based on the author’s experience in the software development industry.

Findings

Agile methodologies, that came to …

Lss Implementation In Micro Enterprises: Adoption Of Tools To Support Competitiveness, Seamus O'Reilly, Dermot Freeman, Lawrence Dooley

International Conference on Lean Six Sigma

LSS Implementation in Micro Enterprises:

Adoption of tools to support competitiveness

Seamus O’Reilly^a (s.oreilly@ucc.ie), Dermot Freeman^b (info@dermotfreeman.com)

and Lawrence Dooley^a (l.dooley@ucc.ie)

^aCork University Business School, Ireland. ^bDermot Freeman & Associates, Ireland

Purpose

This study seeks to contribute to an emerging literature addressing Lean Six Sigma (LSS) implementation in the micro enterprise context. Specifically, it explores what LSS tools address business opportunities and challenges identified by micro enterprises.

Methodology

This study adopts a purposive sampling approach. Thirty micro enterprise who had availed of a lean start programme launched by a …

Replicating Lean Six Sigma Green Belt Education, Martinus J. Buijvoets, Bob Walrave, Jukka-Matti Turtiainen, Gregory H. Watson

International Conference on Lean Six Sigma

Purpose – This paper describes the intricates and possibilities of replicating a Lean Six Sigma Green Belt (LSSGB) education model from a pilot program to other universities—employing ‘replication as strategy’—based on a validated ‘business model.’

Study design/methodology/approach – This work is grounded in a case study on the ESTIEM LSSGB educational method and draws on the replication literature. Specifically: (1) replication as strategy (Winter and Szulanski, 2001) to replicate stimulating learning environments, and (2) replicating sets of teaching practices (Baden-Fuller and Winter, 2007). These theories are practiced using data obtained from various sources: Participant-observer data, interview data, and secondary case …

Six Sigma, Sustainability, And It Management: A Research Review And Discussion Of Future Directions, Manal Alduraibi, Timothy Winders, Chad Laux

International Conference on Lean Six Sigma

Abstract

Purpose- Six Sigma is based upon quality improvement by finding the root cause and refining processes to the precision of process outcomes. The purpose of this research was to conduct a systematic literature review (SLR) to explore the Six Sigma techniques and information technology (IT) management concepts to identify the IT management principle's impact on the sustainability of Six Sigma project efforts and identify the gaps that are essential to be addressed through further research. This research also discusses the principles of IT management upon the influence on Six Sigma projects, and subsequent contribution to organizational economic sustainability. An …

Rattle Detection – An Automotive Case Study, Orla Hartley

International Conference on Lean Six Sigma

This case study showcases the use of statistical tools to develop an objective Squeak and Rattle (S&R) measurement and detection test for End Of Line (EOL) sign off in an automotive manufacturing environment. Audio Induced S&R is an unwanted vibration within the vehicle caused by the sound system, impacting on customer perception of vehicle quality. Testing for S&R in an automotive environment has a key challenge; how to robustly detect a rattle at the EOL and thus prevent plant escapes to the customer. The objective test developed used microphones and analysers in order to replace an e subjective listening test. …

The Application Of Measures Of Lean Production For Services, Willem Salentijn, Jiju Antony, Chad Laux

International Conference on Lean Six Sigma

This paper gives insights on how to measure the degree of lean for services and explores existing instruments, proposing adaptions on an existing instrument, developed for production.

Sustaining Continuous Improvement In Public Sector Services Through Double Loop Learning, Chris Buckell Msc, Mairi Macintyre Assoc. Prof.

International Conference on Lean Six Sigma

Abstract

Purpose: Public Service Organisations (PSOs) are facing continuing funding challenges and increased pressure to maintain and improve service delivery with fewer resources. One response, with the promise of improving efficiency rather than cutting services, has been to implement Continuous Improvement (CI) but success has been sporadic and unpredictable. The well documented and pervasive CI methodologies in PSOs, including Lean and Six Sigma, have general agreement across practitioners and scholars alike, thus the reasons behind their potted success must lie elsewhere, in the culture or the environment perhaps? This work explores the wider contextual issues of CI implementation with the …

From Letters To Logistics - The Enabling Role Of A Lean Transformation Programme In A National Postal Service: The Case Of An Post, Ireland, Seamus O'Reilly, Leadiing Edge Group, An Post

International Conference on Lean Six Sigma

From Letters to Logistics - The enabling role of a lean transformation programme

in a national postal service: The case of An Post, Ireland

Seamus O’Reilly (Cork University Business School), David Murray (An Post) and Joe Aherne (Leading Edge Group)

Abstract

Purpose

This paper investigates the role of a lean transformation programme in supporting the transition of a national postal (mail) service from a traditional letter delivery service to a competitive parcel delivery service.

Methodology

Given the objective an intrinsic case study (Stake, 2005) approach was adopted, as this specific case was of interest. To support this approach the researchers …

Improve Outcomes In Lean Six Sigma With Servant Leadership, David W. Hoffa, Chad Laux, Manal Alduraibi

International Conference on Lean Six Sigma

1. Purpose

The purpose of this study was to explore lean leadership within Lean Six Sigma (LSS). The objective of this paper was to explore how LSS program success might be improved by focusing Black Belt efforts on mentoring Green Belts with a servant leadership model. The importance of Green Belt projects is typically overlooked in the literature. The effects of prioritizing the development of Green Belts and building a culture of continuous improvement over the traditional Black Belt project focus is explored.

2. Design/Methodology/Approach

The methodology of this paper is inspired by the authors’ field experiences in managing LSS …

Waste As A Product Of Organisational Culture, Dobrochna Sztajerska, Karolina Pawlusiak

International Conference on Lean Six Sigma

The organisational culture was subjected to studies for many years (Schein, 1983; Svyantek and DeShon, 1993; Sułkowski 2001, Chmielewska-Muciek 2009), so was the muda (waste) concept (Womack and Jones, 1996; Rother and Shook, 2003; Liker, 2003; Lisiecka and Burka, 2015). However, there is no research linking these two constructs, especially when it comes to looking for specific waste depending on the organisational culture.

Six Sigma And Lean Approach For Enhanced Process Value Chain, Maryam Zulfiqar

International Conference on Lean Six Sigma

Abstract

This research highlight the different aspects of implementing lean and six-sigma approach, their contrasting features and integration in manufacturing organizations. Qualitative research method has been used to conduct this research as the defined period of time for the research was limited. This method was pertinent for the deep analysis of literature and case studies of concerned approaches. It helped to conduct the research in a subjective manner. The use of secondary data saved time from preparing the questionnaires or surveys also the ethical approval from the University of the West of Scotland was not required. Descriptive feature of qualitative …

Lean Six Sigma As An Enabler For Healthcare Operational Excellence In Covid-19, Olivia Mcdermott Dr, Antony Jiju

International Conference on Lean Six Sigma

1. Purpose -This paper aims to present the results of a qualitative research interview study on the utilization and importance of Lean Six Sigma methods in the Healthcare sector in COVID-19 and in pandemics in general.
2. Design/methodology/approach -a qualitative interview approach was utilised by interviewing leading Lean Six Sigma academics and practitioners who are expert in and have experience in Lean Six Sigma.
3. Findings – Lean Six Sigma methods are proven and can be utilised in pandemic situations to improve efficiency and resilience in the healthcare system and readiness for pandemics.
4. Research limitations/implications - One limitation of this research was that …

Applying Lean Six Sigma And Systematic Layout Planning To Improve Patient Transportation Equipment Storage In An Acute Care Hospital, Sandra Furterer, Pratheeka Kancharla

International Conference on Lean Six Sigma

Purpose:

The purpose of this project was to optimize the patient transportation process at an acute care hospital to achieve reduced transportation times.

Methodology:

A detailed Lean Six Sigma study on the patient transport and equipment handling processes helped to determine possible ways to reduce the equipment handling time which eventually reduces the patient transportation time. The Systematic Layout Planning (SLP) approach usually applied in manufacturing environments was used to identify which patient transport equipment was needed to be stored in which locations throughout the hospital footprint. The assignment of equipment to locations was determined based on frequency of use, …

More Than Mechanisms: Shifting Ideologies For Asset-Based Learning In Engineering Education, Brian E. Gravel, Eli Tucker-Raymond, Aditi Wagh, Susan Klimczak, Naeem Wilson

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

Learning spaces, the practices in which people engage, and the representations they use are ideological. Ideologies are coherent constellations of values, beliefs, and practices that impose order on how disciplines like engineering operate. Historically, engineering spaces have been dominated by a relatively technocratic, rationalistic, and exclusionary ideology, but more recent attention to asset-based approaches to engineering education offers transformative promise. Asset-based ideologies can reshape images of legitimized engineering practice, recasting engineering education to disrupt dominant exclusionary ideologies. This paper describes an assets-based learning space, SETC, that recaptures the imagination of engineering for technological and social change. Drawing from extensive ethnographic …

Real Work With Real Consequences: Enlisting Community Energy Engineering As An Approach To Envisioning Engineering In Context, Michelle E. Jordan, Steve Zuiker, Wendy Wakefield, Mia Delarosa

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

This study describes an illustrative case study from a year-round program that positions middle and high school youth to explore the social value of energy systems in their homes, schools, and neighborhoods. Designed to center existing youth assets, interests and values, Community Energy Engineering (CEE) frames engineering as a tool that students can enlist in order to understand and interrogate their local socio-energy system while also acting to transform it. CEE partners with Title 1 schools in Latino/a neighborhoods in the U.S. southwest. CEE situates youth community-based solar energy innovation projects as consequential, evolving in and with historically contingent engineering …

Making Makers: Tracing Stem Identity In Rural Communities, Jessie Nixon, Andy Stoiber, Erica Halverson, Michael Dando

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

In this article, we describe efforts to reduce barriers of entry to pre-college engineering in a rural community by training local teens to become maker-mentors and staff a mobile makerspace in their community. We bring a communities of practice frame to our inquiry, focusing on inbound and peripheral learning and identity trajectories as a mechanism for representing the maker-mentor experience. Through a longitudinal case study, we traced the individual trajectories of five maker-mentors over two years. We found a collection of interrelated factors present in those students who maintained inbound trajectories and those who remained on the periphery. Our research …

Fatigue And Its Management In The Aviation Industry, With Special Reference To Pilots, Rajee Olaganathan, Timothy B. Holt, Jackie Luedtke, Brent D. Bowen

Journal of Aviation Technology and Engineering

Abstract Fatigue is a significant contributing factor that reduces human ability and leads to accidents and threatens the safety of aircraft and human lives. Approximately 70% of fatal accidents that occur in commercial aviation operations are due to human factors. More specifically, crew fatigue contributes to nearly 15 to 20% of the accidents (Akerstedt, 2000). These accidents and incidents are associated with pilot fatigue because of the long duty periods, disruption of circadian rhythms, and inadequate sleep that are common among both commercial and military pilots. Though fatigue is seen in all the disciplines associated with the aviation industry, this …

Funds Of Knowledge As Pre-College Experiences That Promote Minoritized Students’ Interest, Self-Efficacy Beliefs, And Choice Of Majoring In Engineering, Dina Verdín, Jessica M. Smith, Juan Lucena

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

Pre-college experiences both inside and outside of the classroom inform students’ interest in science, technology, engineering, and mathematics (STEM)-related activities, help them evaluate their knowledge and skills in various tasks, and shape their perceptions of themselves as individuals who can participate in STEM. Yet little empirical research examines the valuable pre-college knowledge, practices, and skills that minoritized students acquire through their home experiences and how they can support students’ transition into an engineering pathway. This study addresses this gap by investigating how students’ funds of knowledge support their interest in engineering, self-efficacy beliefs, and certainty of pursuing an engineering major. …

The Production Of Epistemic Culture And Agency During A First-Grade Engineering Design Unit In An Urban Emergent School, Heidi B. Carlone, Alison K. Mercier, Salem R. Metzger

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

Primary school practices are often bound by traditions that perpetuate compliance and skills-based, decontextualized, rote memorization activities. These histories of practice, prevalent in schools serving mostly Black and Brown children, make it inordinately difficult for students to author themselves as knowledge builders (i.e., with epistemic agency), which is a form of injustice. Engineering is a potentially fertile context to support the creation of epistemic culture, whereby young students’ assets are recognized, named, and leveraged as they create and shape the group’s disciplinary knowledge. The authors investigated this potential. The primary research question was: How do first-grade students in an urban …