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Engineering Requirements and Proposed Budget

Needs to be met by system

Primary Requirements

  1. The cart shall receive a Bluetooth signal sent by a user's phone

  2. The cart shall use a Bluetooth signal to traverse across a room or large hallway towards the user while avoiding large obstacles.

  3. The cart shall be able to correct its course to follow the most direct path possible to the user.

  4. The cart shall move in forward/back movements and make 90/180deg turns to navigate its environment.

  5. The cart shall switch to IR/Line-of-Sight tracking when within a ~2m range of the user.

  6. The cart shall maintain a minimum/maximum distance from the user when using IR/Line-of-Sight close range tracking.

  7. The cart shall maneuver in an active work environment without running into any obstacles taller than 1in within an at least 6ft wide pathway.

  8. The cart shall move across carpets while carrying a maximum load of 50lbs.

  9. The cart shall, with all components and wheels needed to motorize and navigate on its own, not exceed the dimensions of 18" wide, 36" long and 39" tall.

  10. The cart shall have a rechargeable battery that can sustain 1hr of continuous use before needing to be recharged.

Secondary Requirements

  1. The cart shall have a chassis to cover the drive system and battery to keep it from view

  2. The cart shall not have any exposed wires

The system is intended for use in the following situations:

  • Hallways >= 2m wide

  • Carpeted/concrete surfaces

  • Work spaces such as labs, garages, machine shops, convention halls and any similar room dynamic

  • Office spaces with necessary hallway width and "out of bounds" markers at the entrance to offices, stairways, etc.

Examples
Open Lab
Lab #3.jpg

Note: Avoid liquid spills. The Rover should not get wet and is not intended for wet surfaces.

Convention Center/Hall
OCCC Hall.jpg

Note: If the Rover is on the second or third floor, the escalators should be marked as "Out of bounds"

Garage #3.jpg
Garage w/ Open Pathways
Open Office Spaces/Halls
Office #2.jpg

Note: Entrances to offices and cubicles should be marked as "Out of bounds". If the user is inside an office, the Rover will wait just outside until the user exits.

Salon/Barber shops
salon_example.png

The system is not intended for use in the following situations:

  • Stairs

  • Slopes

  • Narrow Hallways (< 2m wide)

  • Any space that contains cubicles or "dead end" halls/offices

  • Outdoors

  • Slick surfaces

Examples
Cubicle "Farm"
Cubicle Farm.jpg
Ramps or Angled Floors
Ramp.jpg
Outdoors
Office Lawn.jpg
Wet or Slick Surfaces
Slick surface.jpg

Engineering Specifications Table

Power Budget

Power Budget - Input module

Monetary Budget

* Any values in this column represent donated, borrowed, or previously owned items and are thus subtracted from the total budget

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