Stair Climbing Robot

Built as a final project for class, this stair climbing robot was the product of a month of mechanical design, verification, and fabrication between myself and three colleagues. The task was to construct an autonomous robot that could travel up a staircase with particular dimensions.

Verifications and Simulations

Having developed the full robot in CAD, the team then spent extensive time on simulations to verify geometry optimization, performance, and inform motor selection.

Preliminary Design

I took charge of the preliminary design for the wheel geometry, which was created using calculations based on the robot’s predicted final weight, given stair case dimensions, and force considerations.

Fabrication and Testing

Finally, using the Bill of Materials and final CAD model, the full design was assembled using both shelf and custom fabricated parts. Feedback from this testing informed the choice to drive the back wheels as well for added performance.

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Digital Solid Modeling