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Computational Instruction through PLCs in a Multi-Disciplinary Introduction to Engineering Course

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Conference

2019 ASEE Annual Conference & Exposition

Location

Tampa, Florida

Publication Date

June 15, 2019

Start Date

June 15, 2019

End Date

June 19, 2019

Conference Session

Technical Session 6: Modulus Topics Part 2

Tagged Division

Computers in Education

Page Count

9

DOI

10.18260/1-2--32531

Permanent URL

https://peer.asee.org/32531

Download Count

377

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Paper Authors

biography

Nicholas Hawkins University of Louisville Orcid 16x16 orcid.org/0000-0002-2553-9438

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Nicholas Hawkins is a Graduate Teaching Assistance in the Engineering Fundamentals Department at the University of Louisville. A PhD student in Electrical and Computer Engineering, he received both his B.S. and M. Eng. from the University of Louisville in the same field. His research interests include power electronics and controls, as well as engineering education for first-year students.

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James E. Lewis University of Louisville

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James E. Lewis, Ph.D. is an Assistant Professor in the Department of Engineering Fundamentals in the J. B. Speed School of Engineering at the University of Louisville. His research interests include parallel and distributed computer systems, cryptography, engineering education, undergraduate retention and technology (Tablet PCs) used in the classroom.

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Brian Scott Robinson University of Louisville

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James Christopher Foreman University of Louisville Orcid 16x16 orcid.org/0000-0001-6756-2890

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Asst. Professor at University of Louisville, previous appointment at Purdue University. Teaching calculus, power and energy, and industrial control systems related courses. Research in artificial neural networks, expert systems, and new methods of teaching math/calculus. 15 years in industry control systems and power generation industry prior to academic career.

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Abstract

This paper is focused on the inclusion of hardware-based Programmable Logic Controllers (PLCs) in a freshman engineering introduction course, Engineering Methods, Tools, & Practice II, at the University of Louisville’s J.B. Speed School of Engineering. Each academic year, more than 500 first-year engineering students are exposed to this interactive course, which introduces students to fundamental engineering skills – including teamwork, design, project management, technical writing, critical thinking, programming, communication (including written, oral, and graphical), 3D printing, and an introduction to engineering research.

Previously, this course culminated in a final project that combined construction and mechanical design of a windmill system utilizing data acquisition methods driven solely by Arduino programming and circuitry. The most recent iteration of the course added the instruction of PLCs prior to beginning the final project. The PLCs provide the students with a secondary form of computational methodology instruction.

A clear advantage of this PLC addition is that students become more aware of circuits that closely resemble those in industrial settings; moreover, it also forces students to have multiple hardware circuits implemented in their project. These circuits are required to share information and communicate via a serial interface. Another value of the PLC addition is the variation in programming and logic that is exposed to students. Modern engineering requires that students of all disciplines understand logical concepts of programming basics.

The inclusion of hardware based PLCs allows for the instruction of ladder logic, which is a more graphical-based form of programming that many students find easier to understand than traditional programming. Graphical programming and ladder logic are prevalent in many industrial settings. The course continues to employ Arduino programming as well as the ladder logic programing, which provides the students with a greater breadth of programming exposure.

The PLCs also expose students to hardware that they may encounter while employed on their co-ops, which can be beneficial when interviewing for their first co-op during their sophomore year. End-of-semester surveys show positive student feedback pertaining to the addition of PLCs to the final project.

Hawkins, N., & Lewis, J. E., & Robinson, B. S., & Foreman, J. C. (2019, June), Computational Instruction through PLCs in a Multi-Disciplinary Introduction to Engineering Course Paper presented at 2019 ASEE Annual Conference & Exposition , Tampa, Florida. 10.18260/1-2--32531

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