Customer Handoff & Final Project Documentation

Table of Contents

1 Team Vision for Final Demo and Handoff
2 Test Results Summary
- 2.1 Electrical & Mechanical Testing
- 2.2 Biomedical Testing
3 Final Project Documentation
4 Functional Demo Materials
5 Plans for Wrap-up

Team Vision for Final Demo and Handoff

Summarize:

Our Plan:
- Complete functional system build
- Test the completed system for validation
- Fix any engineering issues that arise
What we did
- Finished the functional system
- Completed 1st-test (ultrasonic cleaning only) 2nd-test incomplete
- Some engineering issues remain unsolved
  - Pump priming issue
  - Electrical issue with the drain pump

Test Results Summary

Electrical & Mechanical Testing

Electrical Test and Build

Mechanical Test and Build

Biomedical Testing

Final Project Documentation

Include a link to your team's technical paper using the template here.
Include a link to your team's final poster using the template here.
- CAD/Schematics
  - PDB and controls board schematic
  - KiCad Project of PDB
- ME Final Design updates from previous phase:

Mechanical Test and Build

- Added a plastic divider to add some protection to the electrical system
- Machined a door-stop which is an Aluminum flat with holes drilled into it
- Machined two holes in the front of the enclosure for the user-interface (buttons)
- Machined a square hole on the side of the enclosure for the wall power connector
- Subsystems placed in the box:
  - Ultrasonic Basin and Support (centered about the U.V slots)
  - Lid Support containing the heating device, fans, and U.V system
  - Electrical Box
  - Draining Pump and Rinsing Pump
  - Water storage for dirty water (empty) and for rinsing (full)
Final BOM
Final Budget
Software
- Software to run project

Industrial Design - Market Ready Concept

Final Mock-up Concept

Ultrasonic Clearner Basin & UV Cover

Prototype Rack

Enhance Design Rack

Functional Demo Materials

Include links to:

Phase VIII Presentation.

Plans for Wrap-up

Future Recommendations:
- Scale - Current volume is 8.666 cubic feet. Work towards 1 cubic foot customer requirement.
- Human-Centered Design - Work to incorporate all features desired by the users.
  - Shape: Smooth, curved edges. A modern design such as lofted or wavy.
  - Material: A heat resistant, lightweight, and non-toxic thermoplastic.
  - Color: Gender-neutral, pastel, non-aggressive colors (see user-centered study).
  - User-Interface: LCD screen with timer and button sensitivity
- Power Distribution Board
  - Build on PCB board
  - 12V to 5V regulators
  - Current feedback issue
- Weight reduction - Work towards reducing the overall weight as other changes are made.
- Improve the Heat System
  - Heating: Create a custom-made heating element and use a stronger heat fan.
  - Airflow: Use stronger fans
  - Find a way to allow moist air to leave the enclosure while keeping the user safe from U.V exposure.
- U.V efficiency
  - Create a reflective casing around the U.V so any lost U.V rays are still captured for use.
  - Look into other U.V light systems such as LEDs.
- Improve the design of the lid to be more watertight. Could:
  - Redesign the lid
  - Raise the transducer support closer to the current lid
- Look into implications of holes in an ultrasonic basin. IF having few holes will not impact the effectiveness of cleaning then redesigning a gravity-based draining system via a hole in the basin bottom would be preferred.
- Fix the "manual priming" issue with the pumps