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Instructions - Follow the steps below as you design and test your system. As you complete the steps, use your black engineering notebook to keep track of your research, brainstorming, construction methods, testing, data collection, etc. The engineering notebook will be an important part of the design process so keep detailed notes.
Let's Review the Engineering Design Process
The image on the side is usually used in team challenges, but in this case the system can work for independent research.
As you read through the process, make sure you understand each section as well as understand the two paths (redesign and retest, that can be taken back to previous steps.
As you work through these steps, it is very important to record in detail, within your engineering notebook, what was accomplished or attempted. Feel free to tape in online resources, printed charts, graphs and diagrams.
It is very important to record every aspect of the project in the notebook. This includes photography and videos. Videos will be later be used on your ePortfolio.
Identify the Need: Create a unique coin sorting system that will organize US coins.
Identify Criteria and Specify Constraints:
Criteria:
Must sort pennies, nickels, dimes, and quarters with 100% accuracy.
System must have a vibrating hopper system. The system will be provided (switch, battery case, and motor)
3D printed parts can be designed, printed and utilized in the system.
Recommended construction materials (cardboard, foamboard, duct tape, hot glue gun)
Creativity is required. Your system must be unique in someway.
Constraints:
The system cannot take up more space than a 1ft squared.
Must be completed within a specified time.
Materials cannot be purchased.
Research and Generate Ideas
Here are some examples of some coin sorting systems. Feel free to continue your research and find other systems to help you create your idea of how your machine works and its appearance. Keep in mind that your system needs to be unique in some way.
In your notebook, label this section "Research and Generate Ideas". In this section, sketch some drawings that depict parts and components of your system. Make sure to label and include multiple views.
Make sure to site your resources that you use.
Consider the F.A.C.S. - Refer to the EDP
Explore Possibilities - Refer to the EDP
Develop a Design Proposal - Using Google Docs, create a design proposal that includes the following:
Objectives - Introduction of the system and its unique feature(s)
Design Strategy - explain the details of the system (construction methods, materials used, specific components or features, etc.)
Testing Procedures - How will the system be tested? How many of each type of coin will be used? How will the results be analyzed and recorded. Make sure to discuss the types of graphs that will be used to display its functionality throughout the testing.
Schedule - Will be determined by instructor.
Bibliography - Make sure to use easybib.com to properly site your sources. Must have at least three sources.
Construction
Test the Prototype
Evaluation of the Prototype
Retest
Redesign
Refer to the EDP for the following 5 steps.
Notebook Entry Recommendations - photography/videography, dated detailed entries, diagrams, charts, graphs,
Present Solution - Create a "Coin Organizer" page in your ePortfolio that has the following in order:
Design Proposal
Video(s) of the working system
Detailed charts and graphs from the data collected. Include a summary with each chart.
A Google Presentation of your engineering notebook pages.
Bonus Points - the five fastest machines with specified coin amounts will gain extra bonus points.
Rubric
Rubric
Design Proposal
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