Watermelon Thumper 5057Zath MarableBAE 4213April 9, 2008
Who needs it???Farmers
Harvesters
Distributors
Consumers
What is it? ActuatorSensorProcessorOutput Signal4 Basic Elements
What is it?
What is it?
What is it?
What is it?
What is it?
What is it? http://www.pbs.org/kcet/wiredscience/story/63-watermelon_thumping.html
Where can it be used?In the field
In a truck
In a box
At home
Why???Farmers
Harvesters
Distributors
Consumers
Girlfriends
Does it work???Yes RipenessSugar contentOver-ripeRotting
NoProblems with locationCalibration
Does it work???Problems???Soil propertiesMoisture contentMelon type
Alternatives???
Sound vs Color and Sheen
Ease of Methods
Researchhttp://www.purdue.edu/UNS/html4ever/000714.Egel.watermelon.htmlhttp://www.almanac.com/food/watermelonripe.phpGreenseeker?
Green Seeker?Old Farmers Almanac
Research at Perdue
-Color-Reflectance
Green Seeker?Using a Sensor to check for reflection would be a faster method
Same problems associated with checking for cereal grains
Problems are more easily solvable
Questions? There are a few more slides, but now is a great time for questions.
The Beauty of the Web While doing research on the web I found these and cannot deprive you of them
http://www.youtube.com/watch?v=98TEBk0jOzI&NR=1http://www.youtube.com/watch?v=AexPuBei-Hk
Questions? Thank You
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