Kaden's Page

Project Definition

Customer Requirements
Design Priority:
1. Fully autonomous
2. Low price
3. Impact resistance (12" drop)
4. Balloon popping
5. 2.5 lbs
6. Custom fabrication

Engineering Specifications
Max. Weight: 2.5 lbs
Min. Speed: 1.2 ft/s
Min. Drop Height: 18" (FoS=1.5)
Travel tolerance: +/-10%

Work Breakdown Structure

Schedule

Test Plans
Test plan one - min. speed
1) set up rover
2) upload code required to spin motors at max speed
3) set rover down and mark 10 ft from current location
4) start the rover and time how long it takes to travel 10 ft.

Pass: the rover completed 10 ft. in less than 12 seconds
Fail: the rover did not complete 10 ft. in less than 12 seconds

Test plan two - drop test
1) set up rover and ensure pad is properly secured to the top plate
2) measure a height of 18 inches above the ground
3) turn rover upside down
4) drop rover
5) flip rover back to the correct orientation

Pass: the rover survived testing and can successfully operate for the next mission without fixing
Fail: the rover broke during testing and can not perform the next mission without being fixed

Test plan three - lateral drift
1) set up rover
2) upload code required to drive forward 30 ft.
3) set rover down and mark 30 ft. from current location
4) place a strip of tape down in a strait line connecting the start and finish lines in front of the rover
5) start the rover and record when and how much it deviates from its original path

Pass: the rover finished 30 ft. deviating less than 3 feet from the finish line
Fail: the rover did not finish 30 ft. deviating lass than 3 from the finish line

Test plan four - turn accuracy
1) set up rover
2) upload code required to perform a 90 degree turn, spinning one motor one direction and one motor the other direction
3) place a 1 foot piece of tape down on the ground
4) place rover down in the center of the tape facing forward
5) start the rover
6) after the rover finishes place down another peice of tape in front of the rover before removing the rover
7) use a protractor to measure the degrees between the two pieces of tape that the rover turned

Pass: the rover completed a 90 degree turn within a 5 degree tolerance
Fail: the rover turned either more than 95 degrees or less than 85 degrees

Test plan five - distance accuracy
1) set up rover
2) upload code required to reed in a set specified distance between 15-30 ft.
3) set rover down at start line
4) mark out the finish line at a specified distance between 15-30 ft.
5) start rover
6) after rover finishes mark how far away from the finish line the rover finished
Pass: the rover finished within 10% of the specified distance
Fail: the rover did not finish within 10% of the specified distance

Test plan results

Test 1) Pass: the rover completed 10ft in 7.56 seconds
Test 2) Team Herbert did not participate in the drop test before mission one
Test 3) Pass: the rover completed 30 ft deviating 2.5 feet however the team had to angle the rover off the start line
Test 4) Pass: the rover turned within a 1 degree tolerance off of 90 degrees
Test 5) Pass: the rover completed within 6% accuracy consistantly
Project Conclusions & Recommendations For Improvements & Future Work
Overall this project came with several challenges and bumbs in the road however the team percivered and was able to pass all missions. If this project was to be continued the team would hone in on small adjustments as well as trouble shoot sensor errors that they faced.

Documentation Of Team Meetings

(01/31/2024) - Discussed concept generation and the different ways to go about it, the team reverse engineering existing products as well as creating subfunctions for the bot. They discussed the different drivetrain options with the client as well as the pros and cons of them.
(02/21/2024) - Discussed updated project requirements for CDR presentation. Also discussed updating engineering specifications.