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Comparison Analysis. Each of the different concept designs were rated by using a weight comparison table and then compared to each other Rated by using g eneral criteria with different weighted values.
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Comparison Analysis • Each of the different concept designs were rated by using a weight comparison table and then compared to each other • Rated by using general criteria with different weighted values. • The design that has the highest rating would be chosen as the cooler that we choose to build • If certain aspects from a lower rated cooler design are useful they may be incorporated into the final design.
Comparison Analysis – General Criteria • Useable surface area for the solar panels – 30% • Must be able to collect sunlight anytime of the day when the sun is out • Solar panel area will require around 1000 in2 for 100W worth of panels • Maneuverability/Ergonomics – 20% • Easy to carry or roll when empty or lightly filled • Easy to lift into trunks or backseats as well as storage • Efficiency – 30% • Walls of the cooler are thick enough to minimize heat conduction • Electronics do not interfere with temperature of cooler • Constructed in such a way that the least amount of power is required to keep it cool • Asthetics – 20% • Professional, minimal, and rugged
