Works in Progress

Session WIP-01

Track 10 — Works-In-Progress I

11:30 AM — 12:30 PM EDT
Mar 26 Sat, 11:30 AM — 12:30 PM EDT

Low Cost and Lightweight Boat for Water Lake Cleaning: A Work in Progress

Rodrigo Alberto Cordero (Turing Lab, Guatemala); Erick Petersen (Universidad Galileo, Guatemala); Oscar Rodas (Universidad Galileo & Tesla Lab, Guatemala)

Unmanned Surface Vehicle (USV) can be used in many applications, especially in water cleaning, which is very important now more than ever because there are many lakes and parts of the ocean that for many years have accumulated tons of waste, affecting all the living creatures and tourism, which is very important for the economy of some countries. Our proposal to start cleaning the water is creating a mono hull USV made by a low cost and lightweight material with an optimal design to navigate in different environments, using a Jetson Nano to control the boat's cameras to find the garbage and with this help to reduce all the contamination, especially in developing countries that only depend on human labor, making this work a lot harder and time-consuming.

Junior High-School study of RoboPhysics

Ofer Danino (Technion, Israel); Gideon Kaplan and Itamar Feldman (Ministry of Education, Israel); Joseph Shapira (Consultant, Israel)

Many educators are seeking programs which are directed towards the development of soft capabilities (like collaboration, creativity and more) of the students. RoboPhysics program is a STEM-integrated educational program for teaching and learning of Physics, combined with engineering and mathematics. Here we present some examples of our methodology for Junior High School students. It is a task-based program based on Constructivist principles, learning STEM through our senses, team work and development of inner motivation and systemic high level thinking. A special technological platform (called 'RoboPhone') has been developed, adding quite a few added-value capabilities to the educational Robot, to assist in students' engagement and meaningful learning. A few recent citations point out that the program does touch the young students.

Exploring Coding Attitudes of Chinese Elementary Students: A Preliminary Study

Shuhan Zhang and Gary K. W. Wong (The University of Hong Kong, Hong Kong); Xiaojing Sun (Weifang Dongming School, China)

Computational thinking (CT) has been integrated into K-12 curricula globally, and coding has been the main vehicle in CT education. While great effort has been made in exploring cognitive effect of coding, limited has been done in attitudinal aspects. To bridge this gap, this study validated the existing Elementary Student Coding Attitudes Survey (ESCAS) in Chinese context and use the scale to explore how students perceived coding. Also, the association between coding attitude and CT performance was investigated. A total of 217 elementary students were involved. Psychometric qualities of ESCAS were examined, and the effect of coding attitudes on CT performance was analyzed with linear regression. Results showed that ESCAS was a valid and reliable attitudinal scale, and coding interest could predict CT performance. Future directions for the study were discussed.

A3Sat: Using CubeSats to Inspire the Next Generation STEM Professionals

John Moore (Institute for Earth Observations, USA & NASA GLOBE Mission Earth, USA); Sriram Elango and Maxwell Friedman (Institute for Earth Observations, USA); Jin Kang (United States Naval Academy, USA)

A3 Sat, to "Acquire-Analyze-Apply Using CubeSats", was designed, developed, and
constructed to both strengthen existing curriculum taught in class and incorporate topics commonly missed. Incorporating a wide variety of fields simply in its construction, domains such as computer science, mechanical engineering, spatial structures, electrical engineering, and material science are embedded within it, allowing students to explore these fields and build vital technical skills. The rapid development of CubeSats over the past two decades (1999-present), from research to significant mission integration, has
occurred. The capabilities of CubeSats continue to expand and are being deployed in a wide range of sophisticated scientific and commercial missions,
demonstrating that CubeSats have earned a legitimate place in the Aerospace Enterprise. Extending outward from these topics, the nature of satellites and their close intricate ties to big data is what will further thrust the topics learned to a higher, more advanced level. In this model, the collection of data from environmental aspects allows students to further understand such topics
as chemical compounds and concentrations, atmospheric phenomena, geographical data sets, imagery, and other physical science topics integral in both foundational and advanced knowledge of the scientific world. As this data is collected, students gain the ability to map, plot, deeply analyze and interpret the data, catalyzing the process of scientific thinking and experimentation.
The A3 Sat, not only intelligent in its design, serves as a gateway for students to immerse themselves in STEM fields far out of reach - developing schools and minds alike with the processes and methodologies utilized by the world's leading
scientists, and further establishing a foundation for the next generation to build upon.

Why The Trans Programmer?

Skye Kychenthal (USA)

Through online anecdotal evidence and online communities, there is an in-group idea of trans people (specifically trans-feminine individuals) disproportionately entering computer science education & fields. Existing data suggests this is a plausible trend, yet no research has been done into exactly why. As computer science education (traditional schooling or self-taught methods) is integral to working in computer science fields, a simple research survey was conducted to gather data on 138 trans people's experiences with computer science & computer science education. This article's purpose is to shed insight on the motivations for trans individuals choosing computer science paths, while acting as a basis and call to action for further research.

A Unified Aviation STEM Program

Lyndsay Digneo (Federal Aviation Administration, USA); Holly M Cyrus (Research & Development & FAA, USA); Somil Shah (Federal Aviation Administration, USA)

Aviation outreach has been a tradition for employees at the Federal Aviation Administration William J. Hughes Technical Center for years. However, until recently, there was no program to manage outreach efforts and measure its impact on students. This paper explores how the William J. Hughes Technical Center established an Aviation STEM Program and details key elements of its success: passionate employees, streamlined communication methods, and data collection. Additionally, this paper explains how new initiatives, including educator workshops and virtual outreach, were combined with existing outreach activities to reenergize efforts and inspire students to become the next generation of aviation professionals.

Session Chair

Jay Roy

Session WIP-02

Track 11 — Works-In-Progress II

1:30 PM — 3:00 PM EDT
Mar 26 Sat, 1:30 PM — 3:00 PM EDT

Retrieval of Data from the Database of a BCT-Voting System

Jacob Wolmer and Dylan Weiss (Tenafly High School, USA); Avimanyou K Vatsa (Fairleigh Dickinson University, Teaneck, USA)

Voting is one of the key processes of modern democracy. It gives freedom to the people to choose a representative leader to implement their ideas and wants. Elections can also be audited to ensure each vote is counted correctly. However, the major issues are associated with the voting process - corruption: ballot forgery, coercion, etc. Thus, BCT-Voting [8] - a fully secure and decentralized blockchain technology-based e-voting system (DApp) - was proposed. BCT-Voting system has been deployed on the Ethereum framework. It includes five modules - nomination process, voter identity, vote tampering, donation module, and counting of votes and announcement of the winner. However, the knowledge retrieval, sorting, searching of information from the Ethereum blockchain is a complex process since the personal identity of voters is not known. Therefore, in this paper, we propose an Ethereum Query Language (EQL) to query in a smart contract of the BCT-Voting system. The query allows voters or Federal Election Commission (FEC) to retrieve the required information from the Ethereum chain. These queries provide fast and minimally labor-intensive audits in elections. It includes recounting ballots, mishandling of data, and efficiently tracking the history of casted votes to ensure that votes are counted and handled correctly. Also, finding duplicate and fraudulent voters will be easy and will increase the efficiency and transparency of the electoral process.

Developing MATLAB Data Acquisition and Control Functions for the LABVOLT Electromechanical Training System

Hussein Abdeltawab (Burke Center & Penn State Behrend, USA); Keven Rall (Penn State Behrend, USA); Sohail Anwar (Penn State Altoona, USA); Mesude Bayrakci Boz (Penn State Hazelton, USA)

The LabVolt Electro-Mechanical System (EMS) is a comprehensive educational training system developed by Festo-Didactic and is adopted by various higher education institutions. The LVDAC-EMS is the software developed by the manufacturer for data acquisition and preliminary control functions; However, customized monitoring functions or tailored control tasks are not supported by the LVDAC-EMS. On the other hand, MATLAB contains various functions and toolboxes for data analysis and control; thus, it would be an ideal software to interface with the EMS to expand its data analysis capabilities. While Festo-Didactic provides a software development kit (SDK) to interface MATLAB with the EMS, the SDK functions are complicated and not user-friendly. The development of a LabVolt MATLAB Interface would simplify the SDK to allow for the easy integration of MATLAB with the EMS so that researchers can use MATLAB to analyze data collected from the EMS. The developed interface contains various functions to acquire data, plot data, and control the outputs and power supply of the EMS. Future work will be creating additional functions and sharing a toolbox for the MATLAB- LabVolt EMS interface

Engineering Project Activities Designed to Promote STEM Engagement

Zachary Dickinson, Tyler Seelnacht and Ramakrishnan Sundaram (Gannon University, USA)

This paper discusses the design and delivery of engineering laboratory and project activities for pK-12 STEM students as part of the outreach program to recognize and exploit the links between the pK-12 STEM curriculum and the undergraduate engineering degree programs. Hands-on laboratory and project-based experiences are among the most effective means to introduce and reinforce concepts in engineering disciplines. The faculty and students from undergraduate engineering programs interact with pK-12 students either by (a) organizing visits by the pK-12 students to the engineering laboratories or by (b) travel to the STEM school to demonstrate and engage pK-12 students in engineering laboratory and project activities at their school. The engineering laboratory and project activities for middle and high school students comprise the assembly and testing of wireless sensor networks for radio frequency imaging of space. Radio frequency signals can be used to perform non-invasive and device-free target localization of objects or entities in space. Radio tomographic imaging uses wireless sensor networks to form images from the attenuation of the radio frequency signals. The radio tomographic imaging system is comprised of three subsystems the wireless sensor network, the command and data collection platform, and the user interface. The distinction between the two groups of students - middle school and high school - is made through the complexity of the design of each subsystem.

Study of the eruption mechanism of Saturn's moon Enceladus plume using the mathematical model of a geyser (periodic bubbling spring)

Hiroyuki Kagami (Tokuyama University, Japan)

The mathematical model of a geyser induced by gas inflow was applied to clarify the spouting mechanism of the plume of Saturn's moon Enceladus. Since Plumes are thought to be caused by the intermittent spouting of underground sea water from crevices on the surface of ice covered globally, Plumes are similar to geysers on Earth. The spouting dynamics of the plume was able to be reproduced using parameter values that matched the characteristics of Enceladus based on numerical simulation of the mathematical model. By this research method using the mathematical model of a geyser, it is possible to estimate the underground structure of Enceladus under the plumes.

AI-Based Recipient Blood Type Matching Blood Transfusion Medical Device Design System

Atma Sahu (Coppin State University, USA)

Acquisition of blood products is costly and blood transfusion increases the risk of adverse events in acute and delayed medical complications. Coupled with the increase in oncohaematological therapies and numerous types of major surgeries, the demand for blood products is growing year after year. In this paper, an AI-based favorable or unfavorable donor selection medical device is proposed. The paper charts out the medical device production implementation plan, identify data sources, forms AI-based device design structure, and medical device regulation standers for product quality identified. The authors predict that using AI (machine learning) end-to-end lifecycle of transfusion decision-making device as proposed will significantly reduce diagnostic, treatment protocol, and mismatch products errors.

Design and Implementation of an Educational Suit

Seyed Ebrahim Esmaeili, Abrar Aleidan, Aishah Almajedi, Abdulazziz Alqattan, Fatmah Alramezi and Amal Alateyah (American University of Kuwait, Kuwait)

The applications of information technology and automation solutions have reached far limits in various sectors such as the industrial, medical, and even the educational field, which recently have witnessed a great development through implementing the automation of educational path methods and strategies for different levels: school and university. Implementing new technologies in the educational sector and in every classroom is essential attract students' attention in the classroom and encourage open-discussions and engagement in the subjects being taught. New teaching methods are emerging, and old ones are improving due to technological advancements. This paper presents and discusses the design and implementation process of a system of wearable technology that provides visual indicators and graphical displays of human body organs. The system aims to help instructors explain the human body parts through using multi-LEDs and sensors mounted on a suit. For example, when the instructor wearing the suit points at a certain part of the body such as the heart, the LEDs connected to the location of heart will light up and display visuals representing the heart, and this is applied to the rest of human body parts. The proposed educational suit aims to enhance students' engagement in the classroom and capture their attention, which in return will help improve the learning experience.

Session Chair

Eric Sudano

Session WIP-04

Track 13 — Works-In-Progress IV

1:30 PM — 3:00 PM EDT
Mar 26 Sat, 1:30 PM — 3:00 PM EDT

Credibility based Teaching Assessment in Smart Campus

Ruizhi Liao, Qianyu Ou, Wenjun Zheng and Zhan Shi (The Chinese University of Hong Kong, Shenzhen, China); Shuzhen Li (Nankai University & Binhai College, China)

Student evaluation of teaching is widely used to assess teaching quality. Regression studies reveal that there is a positive correlation between students' expected grades of a course and teaching assessment scores (TAS) rated by students in that course. Thus, faculty may have an incentive to water down the course content or be lenient with students in order to get higher TAS. It leads to the so-called grade inflation or TAS distortion. In this working paper, we propose a credibility model to calculate weighting factors for revising student assessment scores of their instructors. The credibility model aims to alleviate TAS distortion by integrating study information of students (e.g., usage time of library or study rooms), which is faithfully recorded by devices and applications in smart campus.

Virtual summer research camp for incoming Freshmen students in STEM

Sanish Rai (West Virginia University Institute of Engineering, USA)

In Summer 2020, our university organized a two weeks summer research experience for 16 recently graduated first-generation and underrepresented high school students who would be joining University as incoming freshmen in various STEM majors. The summer camp was originally planned to be in-person with students residing in the university dorm to receive an early university experience and plan for their college life. But due to COVID-19, it had to be changed to a completely virtual format. This was the first time the faculty were organizing a two weeks camp in a complete virtual format. In this work, we discuss the overall virtual camp experience, challenges faced to provide effective experience to students in the online format, and evaluate the program based on student's feedback. We found that frequent breaks, activities that include students move around for some physical activity, interactive lesson plans, good communication tools, better planning and information tools are required to organize an efficient virtual program. In summer 2022, we plan to have second cohort of summer research camp and use the experiences from 2020 to improve the program.

An Integrated Project-based Learning Approach in Engineering Technology Undergraduate Curricula

Mohammad U. Mahfuz (University of Wisconsin-Green Bay, USA)

In this paper, an integrated project-based learning (PBL) approach has been presented for the engineering technology (ET) undergraduate curricula. Two major ET curricula, namely, electrical engineering technology (EET) and mechanical engineering technology (MET) curricula, have been focused in this paper while keeping in mind that ET programs have more hands-on experience than their engineering counterparts. Two different categories of courses, namely, lower-level and upper-level courses, within the EET and MET curricula at the University of Wisconsin (UW)-Green Bay have been investigated. An integrated PBL approach has been presented in the form of case studies. In general, it has been found that an integrated PBL approach is quite successful in providing students with a significant level of hands-on learning experience to all students regardless of their academic years, technical and general education (Gen Ed) backgrounds as well as any kind of special interests and needs. Finally, we strongly believe that such an integrated PBL approach could also be applied to any full engineering programs with similar style and requirements.

Creating an Appropriate Computer Science and Computational Thinking Graduate Curriculum for K-12 Teachers: Context and Initial Results

Katherine Herbert (1 Normal Ave & Montclair State University, USA); Sumi Hagiwara (Montclair State University, USA); Elizabeth M Rogacki (Mount Saint Dominic Academy, USA); Thomas J Marlowe (Seton Hall University, USA)

K-12 computer science education has challenges related to content and to teacher expertise and comfort. This is further made difficult with inconsistent standards and teacher preparation from state-to-state. We describe a K-12 Computer Science Teaching certificate program, located at Montclair State University, aimed at providing current teachers in northern New Jersey with enhanced understanding of computer science concepts, capabilities, and skills, plus scaffolding of equitable and inclusive teacher practices for applied CS pedagogy. We discuss a brief history of the field, our curriculum and approach and then our first graduating cohort's experiences and challenges. Finally, we discuss our future work.

Let the sunshine: learning about solar energy in equatorial Africa to facilitate the use of educational technology

Jorge Santiago-Aviles (University of Pennsylvania, USA); Geraldine Light (Walden University, USA)

The inception of a service-learning technology course was a collaborative project involving students and faculty from the University of Pennsylvania, with teachers from village schools located in the equatorial African country of Rwanda. The primary focus of the project is to provide educational resources for the teachers and students to address gaps in educational content. With the introduction of computer technology powered by photovoltaic (PV) means and utilizing a Remote Area Community Hotspot Education and Learning (RACHEL) content server in support of their educational demands. The use of a PV system supports two collaborative missions, first the system provides a constant, reliable, electrical power source for the classroom, and second implanting the PV system allows the students and staff to learn the physics, electronics, and technology pertinent to set-up, use, and maintenance. Needed knowledge of PV systems is available through the RACHEL, a content repository, that provides a wealth of classical information on social and natural sciences, humanities, and languages with the potential of impacting all the conventional courses in a K-12 environment. Implementing a PV system and RACHEL in a school environment concepts such as utilizing renewable energy, wireless technology, and data transmission are experienced firsthand in teachable moments.

Parallel Programming with Pictures - A Second Path (WIP)

Liam J Davis-Wallace and Wu-chun Feng (Virginia Tech, USA)

Block based programming is a cornerstone of computer science education in elementary and middle schools across the country. By providing a visual representation of coding, users without prior knowledge can more easily begin writing their first program. Applications like Scratch and Snap! provide accessible block-based programming. The work outlined in this paper is a continuation of a recent study Parallel Programming with Pictures is a Snap! [1] that focused on educating students about the importance of parallel programming in the wake of plateauing computational horsepower in a single computer core. This addition makes the progression of modules more accessible for students of all backgrounds.

Utilizing parallelism in the Snap! block-based coding language, we can program with parallelism and utilize multiple cores of a machine at once. By teaching about multi-core technology, students will be more aptly prepared for the future of computer science and computing technology. Expanding on this with lessons to target different audiences can help broaden the appeal of introductory programming.

Session Chair

Roger Ding

Session WIP-03

Track 12 — Works-In-Progress III

3:00 PM — 4:45 PM EDT
Mar 26 Sat, 3:00 PM — 4:45 PM EDT

Applying Engineering Techniques on Non-Traditional Real-World Problems

Pamela A. M. Bogdan (College Dr & Ocean County College, USA); John Verderosa V (Ocean County College, USA)

This Work In Progress (WIP) paper will provide unique examples that attempt to address key aspects of Gen Z learners. The real-world problems are chosen to evoke high emotional response, since they address social issues. This approach was done in the context of the technical subjects of Six Sigma LEAN, Geometric Dimensioning and Tolerancing (GD&T) and Quality Assurance (QA). The non-traditional assignments enhanced the learning and retention of knowledge that was also gained through more traditional assignments. This paper is written jointly from the perspective of the instructor and a student participating in this course; MNFG 114 Principles of Quality Control in Manufacturing.

A Collaborative Approach to Integrate Computational Thinking in an Integrated STEM Curriculum

Dazhi Yang (Boise State, USA); Shi Feng (Boise State University, USA)

This study reports a pre-college initiative that aims to integrate computational thinking (CT) in an integrated STEM learning environment in community centers' after-school programs for upper-level elementary school students. The initiative takes a collaborative approach that engages a range of stakeholders including higher institution's STEM educational researchers and disciplinary experts, a school district, three community centers and their satellite campus that serve Title I schools, and both in-service and pre-service teachers to develop and implement an integrated "STEM+CT" curriculum. The design and development of the integrated STEM+CT curriculum was guided by project-based learning (PBL) that engages students in sustained project-based activities and requires students to apply multiple STEM content knowledge and skills to solve a problem, in after-school programs where they enjoy large blocks of dedicated time to learn and practice CT and STEM. The implementation of the curriculum was led by in-service teachers in community centers' after-school programs who serve as facilitators and learners, and bring a depth of pedagogical knowledge, and who also benefit from such sustained interactions. This collaborative initiative brings relevant stakeholders together and helps build a researcher- practitioner partnership that aims to design, study, improve, and scale innovations in teaching and learning, which facilities the solving of a shared challenge of educational practice - how to integrate CT in K-12 STEM learning? - in this study. Lessons learned from the collaborative process are also discussed.

A Microcredentialing Strategy for Crowd Sourcing Support Resources within an Introductory Engineering Course

Henry Griffith (University of Texas at San Antonio, USA); Angela Griffith (Wright State University, USA)

This work-in-progress manuscript describes the initial implementation of a strategy for generating additional support resources within an introductory electrical and computer engineering course. The proposed strategy leverages the highly heterogeneous preparation levels often encountered in such introductory coursework. Students demonstrating competency in a subset of the course learning objectives are incentivized to produce support resources to be utilized in both current and future course offerings. Solicited support resources include both course materials, such as instructional example videos, along with the offering of tutoring services. Students are incentivized to participate in this intervention by receiving soft-skill endorsements on their personal LinkedIn pages. Details regarding the pilot implementation of this technique and lessons learned for future implementations are described herein.

Accelerating Freshmen Engineering Students into Undergraduate Research Experiences

Ashley Larweck (The University of Texas at San Antonio, USA); Adam Hooker and Henry Griffith (University of Texas at San Antonio, USA)

This work-in-progress manuscript describes a novel peer mentoring framework intended to accelerate the participation of freshmen undergraduate students in existing undergraduate research experiences. The proposed model pairs advanced undergraduate students that have successfully completed undergraduate research experiences with students currently enrolled in an introduction to electrical and computer engineering course at a large public minority serving institution. Program elements include a blend of technical, professional, and personal development activities centered around an overarching research project provided by the principal investigator supervising each mentor team. Details regarding program structure and lessons learned from the initial pilot implementation in Fall 2022 are described herein.

Towards the Effective Selection of Guest Speakers within an Introductory Electrical and Computer Engineering Course

Henry Griffith (University of Texas at San Antonio, USA); Jonathan Flores and Ashley Larweck (The University of Texas at San Antonio, USA)

Guest speakers are routinely utilized to enhance instructional effectiveness within introductory engineering courses. While many researchers have reported the general benefits of this traditional instructional technique, strategies for speaker selection and the assessment of student experiences is largely underexplored within the engineering education literature. This work-in-progress manuscript describes preliminary efforts to improve the guest speaker component of the Introduction to Electrical and Computer Engineering course within a large public research University. A preliminary approach for guiding speaker selection based upon known persistence factors is presented. Additionally, student perceptions from the initial implementation of the redesigned guest speaker cohort from the Fall 2021 semester is also provided.

A Multi-Pronged Approach to Boosting STEM Engagement Through Low and No Cost Solutions

Michael W Kozak, Michael Kopack and Samantha Kupersmith (Lockheed Martin Advanced Technology Laboratories, USA)

Lockheed Martin Advanced Technology Laboratories has been developing STEM programs for local middle school students for almost two decades. Our programs teach students how code, the importance of working in a team to solve problems, and most importantly, how to think like an engineer. We understand most of the specific lessons we teach will be forgotten, but the knowledge and confidence they gain completing our programs will remain inside them for many years. We want them to keep their feelings of accomplishment and their positive thoughts on STEM well into adulthood. We know that careers in engineering are creative, challenging, and fulfilling so we've developed a variety of programs that provide students and educators with low cost or no cost tools to encourage STEM development. We want students, particularly those with little direct exposure to engineers, to understand this path to a career is an option for them in the future if they are prepared. In this paper we outline our approach to overcoming cost and time limitations to STEM outreach, the benefits of reaching out to both students and educators, and the early indicators of the impact these approaches have had on STEM engagement.

Session Chair

Gennaro Avvento

Session WIP-05

Track 14 — Works-In-Progress V

3:00 PM — 4:45 PM EDT
Mar 26 Sat, 3:00 PM — 4:45 PM EDT

Physical Meaning of Digital Signal Processing: What Students May Think and What They Really Should Know

Konstantin A. Grebenyuk (Saratov State University, Russia)

Specialists know that the separation between two conceptual parts of the phrase "digital signal processing" goes after the word "digital" and not after the word "signal". In other words, when we say "digital signal processing" (DSP), we mean digital processing of signals and not processing of digital signals. However, for students this difference may not be so obvious and, even after working with textbooks, some of them still define DSP as processing of digital signals. The problem with this way of thinking is that it leaves aside the true physical meaning of DSP and thus obscures the relationship of basic DSP concepts and other STEM subjects, such as General Physics or Digital Electronics. Present paper draws attention to the widespread students' misconception about the essence of DSP, analyzes its origins and consequences, and provides an analysis required for overcoming this misconception.

Engaging students in e-waste management through outreach programs

Sony Varghese (Sathyabama Institute of Science and Technology, India); Mahima Sharma (Indian Institute of Technology Madras, India)

In this digitally connected world, the electronics industry has seen enormous growth, and as a result, an increase in electronic waste (e-waste) generation has followed suit. Empowering users with knowledge and skills in handling e-waste thus becomes imperative. When the users are educated and trained on the know-how of e-waste handling at an early age, the entire community benefits. Through our proposed outreach program, we intend to raise awareness among school and college students about the fundamentals of e-waste management and possible efforts they can make to mitigate the e-waste crisis. By helping the young generation understand their role as consumers, we can encourage them to become good stewards of the environment.

Electrode Alternatives for Surface EMG Detection in 3D Printed Upper-Limb Prostheses

Betti Madahy Rodas and Erick Petersen (Universidad Galileo, Guatemala); Oscar Rodas (Universidad Galileo & Tesla Lab, Guatemala)

The development of upper limb prostheses using additive manufacturing technologies, such as 3D printing has become popular in the last years. Electromyography (EMG) is used to detect and analize the electrical signals generated by contracting muscles. EMG signals can be captured by intramuscular or surface electrodes. Intramuscular electrodes may be uncomfortable,
and may not be easily accepted by test subjects. Surface electromyography (sEMG) is commonly used for prostheses in the field of muscle-computer interface.
Professional electromyographs can be very bulky and expensive, with prices in the range of hundreds of dollars.

This work describes low-cost electrode alternatives for surface EMG detection.

A Survey on the Future of Industrial Internet of Things and How it is Increasing the 2020s Manufacturing Productivity

Manolo Enrique Benegas (Universidad Galileo, Guatemala); Oscar Rodas (Universidad Galileo & Tesla Lab, Guatemala); Erick Petersen (Universidad Galileo, Guatemala)

In recent years there has been an increase in the implementation of Industry 4.0 technologies in different industries for monitoring and control systems. Among the technologies that can be mentioned we have Internet of Things (IoT), Artificial Intelligence (AI), Artificial Vision, Data Processing, Big Data, Cloud Services, etc. The implementation of these technologies can be reflected as an increase in efficiency and problem solving in an industrial site.

The use of IIoT within the manufacturing field is quickly developing in notoriety as producers start leveraging IIoT based technology such as Smart Factory Software to realize a better level of productivity, move forward the quality of products and minimize wastage of resources. With the market growth and usage of IIoT there has been a general enhancement related to productivity, thanks to smart sensors and predictive maintenance. The IIoT is considered as the future of manufacturing, and it is anticipated that will just proceed to develop in market size with an assessed 110.6 billion US dollars by 2025, compared to the actual 82.7 billion in 2021.

Maintenance 4.0 Applied To The Condition Analysis Of Rotating Electrical Engines: A Work in Progress

David Huertas and Erick Petersen (Universidad Galileo, Guatemala); Oscar Rodas (Universidad Galileo & Tesla Lab, Guatemala)

The development of electronics and computers has
successfully led to the development of signal analysis techniques
for the processing of vibratory signals. Nowadays, most industries
within their predictive maintenance programs use the monitoring
and analysis of vibrations to establish the state of mechanical
health of the machines and most of their critical elements, preventing catastrophic failures. This article presents a methodology
for predictive and condition maintenance of rotation electrical
engines through vibration.

Industry 4.0 refers to the fourth generation of industrial
activity as a result of the fourth industrial revolution, the
rise of new digital industrial technology characterized by
intelligent systems and internet-based solutions. Two of
the characteristic features of Industry 4.0 are computerization
with the help of cyber-physical systems, also called embedded
systems, which monitor and control physical devices, and smart factories based on the concept of IoT (Internet of things). These systems communicate over a network, usually based on the internet, making the factory enable faster,
more flexible, and more efficient processes to manufacture
high-quality goods at a reduced cost.

Session Chair

Roger Ding

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