Spinner Eater Robot
Spinner Eater Robot
Embedded Files
Course
2.007: Design & Manufacturing I
Date
Spring 2020
Skills
Robotics | Mechanical design | Mechanical systems analysis
Overview:
Design & Manufacturing I (2.007) is an engineering robotics design class where students develop competence and self-confidence as engineers as they undergo a creative design process while applying
physical laws. The culmination of the class is a final robot competition, where students compete against each other to see whose robot can earn the most points. I spent the semester designing a robot, performing analytical calculations to inform design decisions, and—due to COVID-19 interruptions—modeled the robot in SolidWorks without building.
Rules:
Each full round of play is two minutes long and comprises an initial 30-second autonomous period that automatically rolls into the 90-second “regular” remote-controlled period. Robots can earn points by the following methods:
Dropping the square peg in the round hole: This move releases 18 balls into the game table, and the first robot to drop the peg into the hole earns additional points.
Collecting balls: Points can be earned by placing them into designated bins in the game table.
Lifting the beaver: Lifting the beaver earns points when it reaches certain heights in the column and releases balls into the Pachinko board.
Spinning the beaver: Points are earned from the speed at which the disk is spun, and balls are also released into the Pachinko board.
Pulling the multiplier: Pulling the multiplier earns a multiplier of points based on the angle it is pushed to.
Process:
Brainstormed multiple strategies that explored various point-collecting actions. Using a Pugh chart, I pursued the action of spinning the wheel and collecting the consequently released balls in order to dump itself in the bin along with the balls/
Measured the torque requirements, calculated gear ratios that would, and created spinner module prototypes. I designed the robot to have a large internal chamber to maximize the number of balls collected
Designed autonomous robot to drive and drop the square peg to release balls.
Performed moment-sum and center-of-gravity calculations to ensure the robot stayed upright when spinning the wheel and climbing inclines.
You can view my final report here for more detailed design calculations and my approach to the design challenge.
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