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Published byPiers Norman Modified over 9 years ago
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The American Ivan Bukreyev University of Florida IMDL, 9/18/2012 1
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Special Sensor Physics/EE background Not much mechanical background 2
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Special Sensor Physics/EE background Not much mechanical background So… Make mechanically challenging platform – hexapod 3
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Design 4 http://en.wikipedia.org/wiki/File:InsectLeg.png
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Design 5 http://en.wikipedia.org/wiki/File:InsectLeg.png Femur – up/down motion Tibia – toward/away motion Coxa –left/right motion Overall 3 degrees of freedom (XYZ) per leg Every (don’t quote me on this) Insect’s lag has:
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Design 6 Femur Tibia
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Design 7 Coxa
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Hexapod model 8
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Implementation 9 Undisclosed amount of $ and 211 screws later:
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Implementation 10
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Implementation 11
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Control 12 if (dataInBufC0()) { fscanf(&USB_str,"%c",&read); /* Smart Stuff */ } for (uint8_t i=0;i<=18;i++) setServoPosition(i,position[i]); Serial (Temporary) – needed to determine motion domain per servo(a) and allowed relative position of adjacent legs (b) Wait Process Do
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Current Status Mechanical platform: completed (ish) Power: 3 sell 4 Ah Lipo, protected by voltage monitor (and my reaction time) 13
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Current Status Mechanical platform: completed (ish) Power: 3 sell 4 Ah Lipo, protected by voltage monitor (and my reaction time) Sensors: Sonar, 2x IR rangefinder, BlueSmirf, IR transmitter - on order Board: Epiphany DIY 14
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Current Status Mechanical platform: completed (ish) Power: 3 sell 4 Ah Lipo, protected by voltage monitor (and my reaction time) Sensors: Sonar, 2x IR rangefinder, BlueSmirf, IR transmitter - on order Board: Epiphany DIY Status Update: LCD, work in progress Imaging: GalaxyS2 – work in progress 15
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Sensor Feedback Use low level sensors (Sonar, IR) to move about and avoid obstacles (possibly do primitive mapping?) Use camera to search for a box 16
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Sensor Feedback Use low level sensors (Sonar, IR) to move about and avoid obstacles (possibly do primitive mapping?) Use camera to search for a box If I can find a box, I will search for a TV If I can find a TV, I will use IR transmitter to turn it on/off 17
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Questions? 18
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Questions? Answer: All you base are belong to us 19
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