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