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Team 8 HARRIS Project. Derrick Shields, Shreyansh Jain, Matt Gaus , Jacob Wheeler. Use Case. A soldier in the middle of the desert who needs to completely operate a communication device (radio) by generating all of the energy needed. Customer Needs Analysis.

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team 8 harris project

Team 8 HARRIS Project

Derrick Shields, Shreyansh Jain, Matt Gaus, Jacob Wheeler

use case
Use Case
  • A soldier in the middle of the desert who needs to completely operate a communication device (radio) by generating all of the energy needed.
customer needs analysis
Customer Needs Analysis

The system generating the energy should-

  • Produce enough electricity to run radio constantly.
  • Be easy to operate.
  • Not affect the soldiers performance ( light weight, camoflauge).
  • Be environmentally friendly
target specifications
Target Specifications
  • Keep a radio continuously running -radio uses about 400 watts/day- so we must produce at least this
  • Produce this 400 watts/day only using renewable energy
concept generation benchmarking
Concept Generation/Benchmarking
  • Solar panels which uses the sun to generate energy
  • Body back which uses body heat to generate energy
  • Friction panels which can be either manually slid or slid as a result of walking, this will generate energy
  • Clothes out of nanofibers that create electricity when you move around
  • Hand Crank
concept selection
Concept Selection
  • We chose kinetic and solar energy as our most viable options for renewable energy
  • Radio-100$
  • Suspended load system –300$
  • Solar panels-65$
  • Charger system(solar panel+ load system)-365$
  • The costs are not an issue with a military budget
suspended load system
Suspended Load System
  • 1-2 vertical inch hip movement
  • Frame of backpack separate from the load; this allows the capture of kinetic energy
  • Load suspended from frame by vertical springs
  • Gear turns a generator creating electricity

- Charging system consists of solar panels and suspended load system combined by a diode; the device then plugs into the charger

- The combination of two renewable energy sources- solar and kinetic – meets our target specifications by producing more energy than is consumed

-Suspended load system - 7.5 watts after an hour of walking

-Solar panels – 80 watts/hour – 400 watts/day

-Radio uses – 300 watts/day