Customer Handoff & Final Project Documentation
Table of Contents
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Imagine Demo
Imagine RIT Poster
Imagine RIT Booth Setup
Final Public Presentation
Lightning Talk Slide
View PPT.
Summary of Test Results Compared to Specs
View PPT.
View final revision of our Engineering Requirements.
Other Gerry Questions
Review of Final System
The MSD team designed and built a cooling system for the batteries and motor controller for the 2017 Hot Wheelz vehicle. These systems maintained appropriate operating temperatures for optimal vehicle performance during the Formula Hybrid 2017 competition. The MSD project was on time, under budget, and met all of the necessary specifications required by the customer. Additionally, data was collected at competition to further prove the effectiveness of this project as well as to aid Hot Wheelz in future thermal cooling endeavors.
Assessment by Customer
View final revision of Customer Requirements.
Reviewing Most Significant Problem
Our most significant problem was that the "box" made for the controller may not have passed the rules. We tried to double check with the rules and advisors and mentors along the way, but it was difficult to validate the design until it was manufactured. When we did finally make the "box" and showed it to our mentors, they tested it for the "finger-probe" test, and it failed. We then had to modify our design to have longer covers, which meant less airflow for the batteries. We decided to add some holes in the covers that would allow for airflow, but then had to waterproof those holes. The design change added manufacturing and assembly time to the project. This could have been avoided if we had prototyped our design and showed it to advisors and mentors earlier. Unfortunately, we were focused very heavily on the batteries and overlooked this. Now we know that prototyping is a very important step in the design process and can help catch easy mistakes!
View full Problem Tracking Sheet.
Test Results
Summary of Data
- Max temp seen for controller: 51 degrees C
- Max temp seen for batteries: 31 degrees C
Assembly & Operation Test Results
Pre-Event Testing
The Hot Wheelz team, along with some of the MSD team, took the vehicle to the Monticello Motor Club in late April to perform vehicle drive testing. This was a chance to see systems integration and subsystem performance on the track prior to competition. The following graphs and information are from this day of testing.Simulated Endurance Run
- Maximum controller temperature: 45 degrees C
- Maximum battery temperature: 23 degrees C
- Minimum battery temperature: 11 degrees C
View full MMC endurance data collection.
Simulated Acceleration Run
- Maximum controller temperature: 51 degrees C
- Maximum battery temperature: 28 degrees C
- Minimum battery temperature: 19 degrees C
View full MMC acceleration data collection.
Data from Formula Hybrid Competition
Acceleration Race
- Maximum controller temperature: 23.5 degrees C
- Maximum battery temperature: 17 degrees C
- Minimum battery temperature: 13 degrees C
View full Acceleration data collection.
Autocross Race
- Maximum controller temperature: 42.8 degrees C
- Maximum battery temperature: 22 degrees C
- Minimum battery temperature: 15 degrees C
View full Autocross data collection.
Endurance Race
- Maximum controller temperature: 50.5 degrees C
- Maximum battery temperature: 29 degrees C
- Minimum battery temperature: 11 degrees C
View full Endurance data collection.
Final Paper
View the PDF or Word Doc of our final paper.
Documentation
View team assessment for final cycle.
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