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Articles 1 - 30 of 461

Full-Text Articles in Operations Research, Systems Engineering and Industrial Engineering

Design Thinking: An Approach With Various Perceptions, Sanne Bouwman, Jesper Voorendt, Boris Eisenbart, Seda Mckilligan Aug 2019

Design Thinking: An Approach With Various Perceptions, Sanne Bouwman, Jesper Voorendt, Boris Eisenbart, Seda Mckilligan

Seda McKilligan

Design Thinking has become increasingly popular across different disciplines. However, what it exactly entails is becoming more and more vague, leading to the term being used for many different approaches and applications. This paper presents an interview study with experts on the application and training of Design Thinking in academia and industry. We find a divide with some seeing Design Thinking as a mere toolbox of methods, while others see it as an umbrella term for the mindset that determines how designers think and act. Subjects unanimously attest the approach large potential to support certain types of businesses, when applied ...


Design Thinking: An Approach With Various Perceptions, Sanne Bouwman, Jesper Voorendt, Boris Eisenbart, Seda Mckilligan Aug 2019

Design Thinking: An Approach With Various Perceptions, Sanne Bouwman, Jesper Voorendt, Boris Eisenbart, Seda Mckilligan

Industrial Design Conference Presentations, Posters and Proceedings

Design Thinking has become increasingly popular across different disciplines. However, what it exactly entails is becoming more and more vague, leading to the term being used for many different approaches and applications. This paper presents an interview study with experts on the application and training of Design Thinking in academia and industry. We find a divide with some seeing Design Thinking as a mere toolbox of methods, while others see it as an umbrella term for the mindset that determines how designers think and act. Subjects unanimously attest the approach large potential to support certain types of businesses, when applied ...


Monitoring Activity And Climate Impact In Market Hogs With Activity Ball, Brad Aronson, Eli Sents, Kyle Wenck, Derek Yegge, Joseph R. Vanstrom, Jacek A. Koziel, Steven Hoff, Brett Ramirez Aug 2019

Monitoring Activity And Climate Impact In Market Hogs With Activity Ball, Brad Aronson, Eli Sents, Kyle Wenck, Derek Yegge, Joseph R. Vanstrom, Jacek A. Koziel, Steven Hoff, Brett Ramirez

Brett Ramirez

Prairie Systems is a web-based data management provider, primarily servicing the swine industry. Their products include the Feed Allocation System, which helps producers manage feed inputs, Smart Order, which helps feed manufacturers and distributors manage feed order fulfillment, and LeeO, which tracks individual animals through RFID technologies. Prairie Systems’ line of products is implementing precision agriculture practices into the livestock industry.

To help producers better manage their operations, Prairie Systems is seeking to gain a better understanding of the daily activity of market hogs. To do this, we were tasked with designing and fabricating a container to collect activity data ...


Automated Finishing Pig Feeder Adjustment, Ryan Godfredsen, Kelley Mabeus, Michael Meyer, Brett C. Ramirez, Shweta Chopra, Jacek A. Koziel Aug 2019

Automated Finishing Pig Feeder Adjustment, Ryan Godfredsen, Kelley Mabeus, Michael Meyer, Brett C. Ramirez, Shweta Chopra, Jacek A. Koziel

Brett Ramirez

Feed costs in the swine industry are typically 60-70% of the total swine production costs. Feeder adjustment is used to decrease feed costs. When feeders are properly adjusted, the growth rate can be improved while the wasted feed is minimized. Currently, feeders are manually monitored and adjusted by daily caretaker inspection, which is very laborious. Automated adjustment would reduce labor need and allow for the integration of precision management in the future.


Minimodal: Dimensional Domain Of Miniature Shipping Containers For Intermodal Freight Transportation, Lee Stapley Jul 2019

Minimodal: Dimensional Domain Of Miniature Shipping Containers For Intermodal Freight Transportation, Lee Stapley

Ursidae: The Undergraduate Research Journal at the University of Northern Colorado

This study explores the feasibility of miniature shipping container usage within existing intermodal transportation (IT) supply chains. Smaller intermodal container shipments may help realign freight shipments with the most efficient transportation mode, rail. These containers embolden the dimensional domain (DD) of shipping. The shipping container dimensional domain (container size variation and modal fluidity) is widespread and results in shipments that are often larger or more infrequent than needed. The DD impacts transport mode, shipping frequency, shipment velocity, intermodal supply chain accessibility, and regional shipping networks. This study suggests that container size impacts the DD and, therefore, mode choice. As miniature ...


Design And Implementation Of An Automated Oil Distribution System For A Homogenizer Machine In Gea Mechanical Equipment – Niro Soavi, Luca Gandolfi May 2019

Design And Implementation Of An Automated Oil Distribution System For A Homogenizer Machine In Gea Mechanical Equipment – Niro Soavi, Luca Gandolfi

Theses

This thesis shows the steps that have been followed and done in order to improve a critical operation of a technological process of the GEA Mechanical Equipment. The critical operation was the filling with different types of oils the homogenizing machine because it was characterized by a lot of inefficiencies and, in particular, by huge risks for job security. These critical issues gave the opportunity and the chance to realize a project in order to give a process optimization and security improvement.

After having faced all the aspects and steps needed for this project, it has been realized a system ...


Modeling Of Complex Parts For Industrial Waterjet Cleaning, Braden James May 2019

Modeling Of Complex Parts For Industrial Waterjet Cleaning, Braden James

Theses and Dissertations

Industrial high-pressure waterjet cleaning is common to many industries. The modeling in this paper functions inside a collaborative robotic framework for high mix, low volume processes where human robot collaboration is beneficial. Automation of pressure washing is desirable for economic and ergonomic reasons. An automated cleaning system needs path simulation and analysis to give the operator insight into the predicted cleaning performance of the system. In this paper, ablation, the removal of a substrate coating by waterjet, is modeled for robotic cleaning operations. The model is designed to work with complex parts often found in spray cleaning operations, namely parts ...


Nutrient Storage Cover, Nick Jamison, Cole Reighard, Andy Russ, Shweta Chopra, Jacek A. Koziel Apr 2019

Nutrient Storage Cover, Nick Jamison, Cole Reighard, Andy Russ, Shweta Chopra, Jacek A. Koziel

TSM 416 Technology Capstone Projects

Smithfield Hog Production has several processing facilities across the state of Iowa along with numerous contract finishing farms where producers grow their pigs. The hog manure on these sites is pumped into a slurry store for storage. A slurry store is a 1.2-million-gallon round tank that is 18-feet-tall and 120-foot diameter. Since the slurry store is open to the weather, it accumulates rain, snow, and other types of precipitation.

While evaporation generally equals precipitation, there are some years where precipitation is greater than evaporation. The result is a reduction in manure holding capacity and additional cost to hog production ...


Conduction Maize Drying For Emerging African Communities, Todd Van Dyke, Brett Olson, Jacob Titmus, Michael Shippy, Shweta Chopra, Jacek A. Koziel Apr 2019

Conduction Maize Drying For Emerging African Communities, Todd Van Dyke, Brett Olson, Jacob Titmus, Michael Shippy, Shweta Chopra, Jacek A. Koziel

TSM 416 Technology Capstone Projects

Currently, in emerging African Communities, they are putting their maize out on mats to be dried under the sun. They are having problems with animals and humans stealing their produce along with maize weevils destroying their crops. Our objective is to create a mobile and efficient system that can dry grain on a need basis. It also needs to be made from materials that are easily obtained in these communities. The product will not be able to utilize electricity or gas to the main source of fuel will be fire. This is not the first time that this problem is ...


Cardinal Ig: Keying Process, Jacob Raveling, Benjamin Shaver, Mary Gail Knutson, Shweta Chopra, Jacek A. Koziel Apr 2019

Cardinal Ig: Keying Process, Jacob Raveling, Benjamin Shaver, Mary Gail Knutson, Shweta Chopra, Jacek A. Koziel

TSM 416 Technology Capstone Projects

The current process for setting guide keys into aluminum extrusions is performed manually. It is a tedious and unergonomic process. The team needs to evaluate the process for improvement or replacement.

The keying process is done by hand. Each key has to be placed in a channel one by one. Then keys are secured into the channels by using a wooden block which is smashed against the keys. This process is taking too much time, and it is hard on the employee’s hands. When attempting to secure the keys in the channels, a hole begins to wear into their ...


Process Improvement For Material Breakdown, Kirshanthi Ganesa Moorthy, Michael Patten, Matthew Klug, Steven Brousseau, Shweta Chopra, Jacek A. Koziel Apr 2019

Process Improvement For Material Breakdown, Kirshanthi Ganesa Moorthy, Michael Patten, Matthew Klug, Steven Brousseau, Shweta Chopra, Jacek A. Koziel

TSM 416 Technology Capstone Projects

  • Cardinal Glass Industries is a management-owned S-Corporation. They develop residential glass for windows and doors. Cardinal Glass has around 6000 employees in 37 locations across the United States and two research centers located in Wisconsin and Minnesota. Their goal is to design and fabricate the most advanced residential glass products in the industry.
  • The problem that they are facing right now is maximizing the efficiency of cutting down foam blocks and sponge material. The foam blocks are used during the key-in process while the sponge material is used for wiping excess glue off the glass.


Cost Analysis Of Swine Manure Separation, Lucas Meyer, Mason Moeller, Todd Muell, Shweta Chopra, Jacek A. Koziel Apr 2019

Cost Analysis Of Swine Manure Separation, Lucas Meyer, Mason Moeller, Todd Muell, Shweta Chopra, Jacek A. Koziel

TSM 416 Technology Capstone Projects

Smithfield Foods Inc. was founded in 1936 by Joseph W. Luter and his son Joseph W. Luter, Jr., with the name Smithfield Packing Company. The company name was later changed to Smithfield Foods in 1974. Smithfield Foods Inc. is quite proud of their guiding principles (Responsibility, Operational Excellence & Innovation) and this small excerpt defines their company as a whole, “We will seek fresh ideas in all aspects of business, including ways to work smarter, serve customers better, and make Smithfield a better company.” (Smithfield Foods, 2019).

The issue that we worked on was how swine producers want to decrease the inefficiency of hauling raw manure slurry and increase manure application systems by separating solids and liquids produced in a typical shallow pit barn with an external manure storage system. There is a moderate amount of research that has been done on swine manure separation, but quite a bit of it is outdated. The current application of raw manure slurry is altogether expensive and inefficient by the traditional method of transporting the manure by large tanks, while post-separated manure could be transported further distances more efficiently. The increasing manure application possibilities and transporting regulations have been a large part of the project in the context of the future of swine production.

Given the elements of the project:

  • Minimal research has been completed on current swine manure separation methods
  • Manure separation is expensive, and its feasibility is all dependent on a producer's budget and the overall size of their operation
  • Multiple costs associated with implementing a separation method (Solid & liquid storage, separation equipment, additional labor, etc.)

It is critical for producers/growers to comprehend the true benefits of implementing a separation method at this time before future regulations become required. The cost analysis tool will give producers the capability to view several costs associated with a particular separation method. When adopting a separation method, there two important benefits; higher efficiency of transporting manure farther distance and the cost-effectiveness increase tremendously.


Hagie Warehouse Consolidation, Nick Mignery, Keagan Hedrick, Christopher Sjoblom, Vincent Breedlove, Shweta Chopra, Jacek A. Koziel Apr 2019

Hagie Warehouse Consolidation, Nick Mignery, Keagan Hedrick, Christopher Sjoblom, Vincent Breedlove, Shweta Chopra, Jacek A. Koziel

TSM 416 Technology Capstone Projects

  • Hagie Manufacturing is a small manufacturer of agricultural sprayers that recently partnered with John Deere. They have a manufacturing and storage facility in central Iowa.
  • Hagie Manufacturing is having difficulty using their current organization system of parts and how to pick them to meet their increased goal of building more (33%) sprayers a day.
  • This is creating a problem for the company because parts are in multiple locations which makes it difficult to quickly get parts to where they are needed in a correct rotating habit efficiently.
  • This project will immediately affect the workers of warehouse one and five on ...


Danfoss Journal Bearing Removal, Chad Martin, Lucas Kramer, Matt Johnson, Ben Gibson, Shweta Chopra, Jacek A. Koziel Apr 2019

Danfoss Journal Bearing Removal, Chad Martin, Lucas Kramer, Matt Johnson, Ben Gibson, Shweta Chopra, Jacek A. Koziel

TSM 416 Technology Capstone Projects

Danfoss Power Solutions is a global leader in the mobile hydraulic power market. As a key supplier to some of the world’s most recognized names in construction and agricultural machinery, Danfoss’s market share includes remanufactured hydraulic pumps and motors. Parts and Service is responsible for producing these remanufactured units and continues to encounter and overcome challenges unique to remanufacturing. One such problem is the removal of journal bearings from the pump and motor castings.

Journal bearings are thin, press-fit bushings that provide a bearing surface for shafts in low load locations. Most bearings are installed in blind holes ...


Grain Cart Compaction Impact, Kyle Lafrenz, Harrison Kruse, Tyler Ehlers, Shweta Chopra, Jacek A. Koziel Apr 2019

Grain Cart Compaction Impact, Kyle Lafrenz, Harrison Kruse, Tyler Ehlers, Shweta Chopra, Jacek A. Koziel

TSM 416 Technology Capstone Projects

  • Many factors influence the yield. Harvest is a busy time, and often there is not clear direction or guidance on where to drive or not drive the Grain Cart or other heavy equipment. Path of travel is something that could be changed by educating operators and growers on the benefits and tools they can use.
  • Traffic in the field has inconsistent patterns across the field to minimize time to and from the combine. It is not clear where to place the “path” to the loading area. The heavy axle loads when full can and do contribute to compaction. It is ...


Improving Agricultural Practices Through Water-Flow Modeling And Visualization, Warren Jennings, Riley Nylin, Josh Pederson, James Pollock, Shweta Chopra, Jacek A. Koziel Apr 2019

Improving Agricultural Practices Through Water-Flow Modeling And Visualization, Warren Jennings, Riley Nylin, Josh Pederson, James Pollock, Shweta Chopra, Jacek A. Koziel

TSM 416 Technology Capstone Projects

Current farming tools do not provide an easy solution for water-flow modeling or visualization; therefore, farmers are not aware of what happens in their fields following rainfall events.

Our client, Cedar Valley Innovation (CVI), is a small company owned and operated by Bob Recker out of Waterloo, IA. CVI has supported several projects related to water flow, erosion, and alternative planting in the past including "Row Crop Headland Management Economic Opportunity: Applicator Pathway” and "Alternative Sources of Accurate Agricultural Topography." Mr. Recker’s main focus is on improving the farmer’s triple bottom line of a sustainable income, feeding the ...


Donaldson Single-Piece Flow, Ryan Hood, Miles Martin, Michael Shultz, Shweta Chopra, Jacek A. Koziel Apr 2019

Donaldson Single-Piece Flow, Ryan Hood, Miles Martin, Michael Shultz, Shweta Chopra, Jacek A. Koziel

TSM 416 Technology Capstone Projects

The client for this project is Donaldson Company. They have nearly 12,000 employees worldwide specializing in the production of filters and filter readers that are used in many industries. This project took place at Donaldson’s Waterloo, Iowa facility.

The Capstone team has been tasked to update their oldest and least changed Mechanical Air production line from a batch process to a single-piece flow. The current line utilizes too much overtime to meet demand, and Donaldson would like us to solve that without the addition of more operators. Donaldson wants to consolidate space to make room for new product ...


Automated Finishing Pig Feeder Adjustment, Ryan Godfredsen, Kelley Mabeus, Michael Meyer, Brett C. Ramirez, Shweta Chopra, Jacek A. Koziel Apr 2019

Automated Finishing Pig Feeder Adjustment, Ryan Godfredsen, Kelley Mabeus, Michael Meyer, Brett C. Ramirez, Shweta Chopra, Jacek A. Koziel

TSM 416 Technology Capstone Projects

Feed costs in the swine industry are typically 60-70% of the total swine production costs. Feeder adjustment is used to decrease feed costs. When feeders are properly adjusted, the growth rate can be improved while the wasted feed is minimized. Currently, feeders are manually monitored and adjusted by daily caretaker inspection, which is very laborious. Automated adjustment would reduce labor need and allow for the integration of precision management in the future.


Grain Drying Test Stand, Luke Fischer, Travis Hursh, Riley Schnell, Jet Wayne, Shweta Chopra, Jacek A. Koziel Apr 2019

Grain Drying Test Stand, Luke Fischer, Travis Hursh, Riley Schnell, Jet Wayne, Shweta Chopra, Jacek A. Koziel

TSM 416 Technology Capstone Projects

  • Dr. Dirk Maier is a post-harvest engineering professor at Iowa State University and wants to expand the grain processing program
  • A continuous-flow grain dryer for labs and research is needed.
  • The dryer is to be designed, built, and configured all from scratch by the capstone team, implementing the designs and specifications Dr. Maier requires.
  • Our dryer will be finished by the next technology capstone team and be used by classes to come.
  • This project’s broader scope and initial capstone stages were developed from two previous capstone projects, referenced below.


Makusafe Corporation Device Testing, Nicholas Campbell, Alexander Foust, Dawson Knapp, Andrew Yi, Shweta Chopra, Jacek A. Koziel Apr 2019

Makusafe Corporation Device Testing, Nicholas Campbell, Alexander Foust, Dawson Knapp, Andrew Yi, Shweta Chopra, Jacek A. Koziel

TSM 416 Technology Capstone Projects

MakuSafe is a startup company based out of West Des Moines, Iowa with a focus on worker safety. They have developed a wearable safety monitoring device that aims to improve workplace safety by monitoring the environmental conditions, as well as slips, trips, falls, near misses, and other potential hazards around the worker. A safety manager can then review this data and take proactive steps to improve the work environment. The device is mounted in a holster that is worn on the arm of an individual. MakuSafe needs data collected on the force required to break the holster away from a ...


Vertical Lathe Tooling Optimization, Garrett Deschaine, Nicholas Gambs, Brendan Maye, Graham Fiebiger, Theodore Payne, Shweta Chopra, Jacek A. Koziel Apr 2019

Vertical Lathe Tooling Optimization, Garrett Deschaine, Nicholas Gambs, Brendan Maye, Graham Fiebiger, Theodore Payne, Shweta Chopra, Jacek A. Koziel

TSM 416 Technology Capstone Projects

In order to run Sandvik Coromant Capto C8 tooling, the operator must remove the existing stick tool holder from the vertical lathes ram. This process takes multiple hours and has the potential to damage the ram. Our sponsor would like to avoid removing the stick tool holder when running C8 and cam lock style tooling.


Pella Lean Utilization Cell Improvement, Kritika Chopra, Layne Mcmahon, Trevor Sorensen, Payton Stadtlander, Shweta Chopra, Jacek A. Koziel Apr 2019

Pella Lean Utilization Cell Improvement, Kritika Chopra, Layne Mcmahon, Trevor Sorensen, Payton Stadtlander, Shweta Chopra, Jacek A. Koziel

TSM 416 Technology Capstone Projects

Observe a wood utilization that is not meeting the efficiency and output goals they are looking for and give feedback on different ways to improve uptime and efficiency. The cell is comprised of a cell that includes two moulders, an electronic press, a gluer, and a robot. This cell is used to combine boards that are made of scrap material from another line with full-length edge boards to create an array of larger boards that are used on various products that Pella.

The utilization cell in question is the newest Utilization Cell (U-Cell) at the Pella, Iowa facility and has ...


Economic Model For Investing Small Versus Large Ag Equipment, Jonathan Alas, Chris Davis, Grant Pieper, Shweta Chopra, Jacek A. Koziel Apr 2019

Economic Model For Investing Small Versus Large Ag Equipment, Jonathan Alas, Chris Davis, Grant Pieper, Shweta Chopra, Jacek A. Koziel

TSM 416 Technology Capstone Projects

  • This project will allow the client to give economic advice to its customers while making equipment purchase decisions.
  • The client has customers who invest in equipment who want to maximize their efficiency and return on investment.
  • This problem is not one that many operators consider, but it is something that could benefit many producers if they consider our deliverable. Solving this problem could save producers money and increase equipment field capacity allowing operators to get more done in less time. This solution can create a business opportunity for dealerships to work with their customers to find the right size equipment ...


Hagie Ideal Welding Cell, Paul Appleget, Katie Larson, Jon Thomas, Matt Rowan, Shweta Chopra, Jacek A. Koziel Apr 2019

Hagie Ideal Welding Cell, Paul Appleget, Katie Larson, Jon Thomas, Matt Rowan, Shweta Chopra, Jacek A. Koziel

TSM 416 Technology Capstone Projects

Hagie Manufacturing is a company based in Clarion, Iowa, where they build sprayers for agricultural applications. There are around 140 employees currently working at Hagie, and they are ranked in 2nd among their other top 10 competitors. Hagie has an impact in Iowa by being known as a locally established company, created by a friendly farmer that wanted to have personal and family-oriented business to support his neighboring farmers. Welding production requires an increase to 2 machines per day in order to stay up with demand. Hagie has full capability to keep up with John Deere’s standards, which have ...


An Energy Profile Model For Fused Deposition Modeling 3d Printing Process, Calvin Hawkins Jan 2019

An Energy Profile Model For Fused Deposition Modeling 3d Printing Process, Calvin Hawkins

ROEU 2018-19

This project develops a strategy to monitor and estimate the energy consumption of fused deposition modeling (FDM) additive manufacturing, which will benefit manufacturers and designers seeking to design and manufacture products with minimal energy consumption.


Remotely Controlled Industrial Robotic Arm And Simulation Of Automated Thermal Furnace, Prince Mehandi Ratta Jan 2019

Remotely Controlled Industrial Robotic Arm And Simulation Of Automated Thermal Furnace, Prince Mehandi Ratta

Dissertations, Master's Theses and Master's Reports

The right execution of controllers ensures the correct analysis of information, generating efficient results and better optimizing the system. In this report, two controllers were designed. Firstly, a remotely controlled robotic arm, since there are no such type commercially available controllers. Moreover, robotic platforms are costly, so students and researchers are often unable to learn the concepts of programming industrial robots. This project makes a non-destructive, remotely-controlled robotic arm to better teach students and researchers about programming and control of robotic arms. Secondly, simulation of an automated thermal furnace for ArcelorMittal on SIMULINK, which is used for the annealing process ...


Process Improvement For Material Breakdown, Steven Brousseau, Matthew Klug, Kirshanthi Ganesa Moorthy, Michael Patten Nov 2018

Process Improvement For Material Breakdown, Steven Brousseau, Matthew Klug, Kirshanthi Ganesa Moorthy, Michael Patten

TSM 415 Technology Capstone Posters

Cell workers at Cardinal Glass are spending too much time and labor manually breaking down larger materials into smaller and more usable parts.


Batch To Single Piece Flow, Ryan Hood, Miles Martin, Michael Shultz Nov 2018

Batch To Single Piece Flow, Ryan Hood, Miles Martin, Michael Shultz

TSM 415 Technology Capstone Posters

Assess the current T1 Snap product line and propose a move from batch production to single piece flow.


Integrating Tool Holders For Vertical Lathe, Garrett Deschaine, Graham Fiebiger, Nicholas Gambs, Brendan Maye, Theodore Payne Nov 2018

Integrating Tool Holders For Vertical Lathe, Garrett Deschaine, Graham Fiebiger, Nicholas Gambs, Brendan Maye, Theodore Payne

TSM 415 Technology Capstone Posters

• In order to run Sandvik Coromant Capto C8 tooling the operator must remove the existing stick tool holder from the vertical lathe’s ram. This process takes several hours and has the potential to damage the ram.

• Avoid removing the stick tool holder when running C8 and cam lock style tooling.


Grain Cart Compaction Impact, Tyler Ehlers, Kyle Lafrenz Nov 2018

Grain Cart Compaction Impact, Tyler Ehlers, Kyle Lafrenz

TSM 415 Technology Capstone Posters

• Soil compaction poses a large threat in potential yield reduction in row crop operations across the globe.

• The tractor and grain cart is the heaviest piece of machinery pulled through a field, making it the most likely to leave highest level of compaction.