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Procedure
For this project, your team will test your prototype, collect data, and evaluate the results.
Part I
Perform the testing procedure(s) at least three times and collect data for each test on the forms that you created in 1.2 Test Procedure. Collect pictures, screenshots, and data throughout the test procedure. Document your test administration, insert copies of your data, and reflect on the test results in your engineering notebook.
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Test 1
Component
Data
Pass/Fail
Roomba Top
Stability
Pass
Roomba Side
Stability
Pass
Hooks(Upper & Lower)
Stability
Pass
Purifier Halo
Stability
Pass
Battery Holder
Stability
Pass
Pins
Stress(survived 10-20 lbs. Of stress)
Pass
Test 2
Component
Data
Pass/Fail
Roomba Top
Stability
Pass
Roomba Side
Stability
Pass
Hooks(Upper & Lower)
Stability
Pass
Purifier Halo
Stability
Pass
Battery Holder
Stability
Pass
Pins
Stress(survived 10-20 lbs. Of stress)
Pass
Test 3
Component
Data
Pass/Fail
Roomba Top
Stability
Pass
Roomba Side
Stability
Pass
Hooks(Upper & Lower)
Stability
Pass
Purifier Halo
Stability
Pass
Battery Holder
Stability
Pass
Pins
Stress(survived 10-20 lbs. Of stress)
Pass
If your test results reflect your predictions for the testing procedure, answer the following questions with your team:
Are your test results accurate?
Yes
Is your testing procedure repeatable?
Yes
If you answered No to either of the questions above, proceed with your team to Part II. If you answered Yes to both questions, then your team is ready to send your data to experts and/or stakeholders. Create a summary of the testing procedure. Submit the data tables and summary to the experts for their input.
Done along with H 1.2
Distance Learning Support
Your group's summary documentation should be organized and professional. For tips on effective, well-written communications, explore the Technical Writing resource.
After receiving feedback from the experts and/or stakeholders, determine with your team whether your design solution was a success, failure, or somewhere in between.
Success
As a team discuss the test results and write a summary of proposed corrections or modifications to the following:
Prototype’s design
We could make the parts out of a new filament/ material, and utilize more than one filter like an ionic filter.
Testing procedures
Specify to make sure any obstacles within the Roomba’s space are out of the way.
Data collected
Look for more controls for each environment
Test in more than 2 environments.
Part II
Answer the following questions. You may choose to consult with your experts before answering.
Do the results reflect a problem with the testing procedure?
No
Do the results reflect a problem with the testing criteria?
No
Do the results reflect a problem with the materials used for the prototype?
No
Do the results reflect a problem with the quality of the building process of the prototype?
No
Do the results reflect a problem with the design of the prototype?
No
Implement your recommended changes and create new documents (design specifications, technical drawings, prototype build procedure, and/or test procedure) as necessary. Be sure to document refinements in your engineering notebook. Retest your prototype using the instructions in Part I of this document. Be sure to document the second round of testing as required. If time does not allow you to incorporate the necessary refinements to your design solution, meet with your instructor to discuss options. You may only be able to create a summary of the proposed improvements and receive expert feedback on your recommendations.
Distance Learning Support
Now that you have successfully tested, evaluated, and updated your prototype, take a moment to metacognitively evaluate your learning. Jot your thoughts down in your learning journal.
What was the most challenging part of this design process step? What did you do to make the challenge manageable? Will you do something different next time?
It was stressful if the parts broke it would be a hassle to repair. We had repair material on hand in order to quickly fix the printed problems. We will use a different type of filament that is flexible and durable.
Name one thing the design process taught you about the field of engineering. How will this new knowledge change the way you approach your work going forward?
The process has taught me that improving and redesigning a project can be repetitive but quite fun. It helps in finding new ways to innovate my future projects and designs and what can be done to improve them.
CONCLUSION
Why is a design solution to a technical problem an iterative process?
It requires the optimization and improvement of design in order to be at its most functional when used for its problem.
What is the purpose of evaluating your test results?
In order to utilize the data to see if it works or if something needs to be fixed.
Notebook References
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