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Interactive Oral Report 2

Interactive Oral Report 2. Name: Brian Flatley Robot Name: F eline R oving E ntertainment D evice (FRED) Date: 3/25/2010 Teachers: Dr. Arryo and Dr. Schwartz TA’s: Thomas Vermeer and Mike Pridgen. Summary of Objective. Roam environment Find Cat Engage Cat Bait Cat Flee from Cat.

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Interactive Oral Report 2

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  1. Interactive Oral Report 2 Name: Brian Flatley Robot Name: Feline Roving Entertainment Device (FRED) Date: 3/25/2010 Teachers: Dr. Arryo and Dr. Schwartz TA’s: Thomas Vermeer and Mike Pridgen

  2. Summary of Objective • Roam environment • Find Cat • Engage Cat • Bait Cat • Flee from Cat

  3. Fulfilled Objectives Thus Far • Roam environment • Find Cat • Engage Cat • Bait Cat • Flee from Cat Starting this list was the hard part, the rest should be done In the next couple of weeks.

  4. Roam Environment • Using Sharp Long Range IR Rangefinders

  5. Interesting Sight Observations • When Light is shined on and around the IR Rangefinder, the value changes within about 100. • Since I was using the rangefinder at 3.3 V level instead of 5 V, the sensor may have been creating an artificial valley effect that I did not notice in my testing. I will soon be recomputing the rangefinder data at 5 V.

  6. Find Cat Special Sensor: Pyroelectric Infrared (PIR) motion detectors.

  7. What does a PIR Sensor Do • The detector locates the IR emitted as body heat from living bodies. • It takes a snapshot of the room then when heat sources move, an alarm is tripped.

  8. How Can I use this • With 4 motion sensors mounted on the front of FRED, which motion sensors are tripped will determine how the robot needs to reorient in order to find the cat. • When all 4, or the central 2, read high, the cat is directly in front of FRED. Fred can then move onto the next phase of his programming.

  9. Problems and Delays • While most of my sensors are hooked into the ADCA port, every one requires 5V, which means I have a lot of wire fixing to do to continue testing. • I have 2 sets of PIR sensors of different make for sake of symmetry and so I can figure out the more effective sensor, though the one’s I picked up from sparkfun require me to rig up a pull up resistor before I can take readings.

  10. Questions?

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