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Power Conditioning

This project focuses on power conditioning requirements for advanced detection functions, ensuring zero false positives and unauthorized access. The goal is to create a safe and secure system with a reliable power source and efficient overall design.

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Power Conditioning

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  1. By Joshua Hamilton Group Members: Steven Paradise, Patrick Schindler, Dr. BehrouzFarhang, Arslan Majid, Chril Miller, David Brown, and Joshua Hamilton Power Conditioning

  2. Reasoning: • Advanced detection functions require power • Zero false positives • No unauthorized access • Cannot be powered externally • Safe must stay secure until maintenance Power Conditioning

  3. Requirements of power source • Necessary 1 year lifespan with a goal of 2 • Cannot be tampered • Power detection sensors • Safely power the Arduino controller • Dependable Power Conditioning

  4. Method • Modes of operation • Wake up sensors • Self powered vibration sensors • Low power design • Efficient overall design • No leakage Power Conditioning Fig. 1 Piezoelectric vibration sensor [4]

  5. Implementation • Arduino Mega vs Arduino Pro-Mini • Piezoelectric wake-up circuit • Choice of battery • Lithium has highest power density • Sensitive to high temperature • May need a controller Power Condtioning

  6. Conclusion • Test two types of batteries • Arduino backpack • Energizer e2 AA batteries Power Condtioning Fig. 2 Arduino backpack [1]

  7. Contact Information: • Joshua Hamilton • ECE Department, University of Utah • Jham111@hotmail.com • Sources: [1] “Lithium Backpack”, Apr. 8, 2010. [Online]. Available: http://www.liquidware.com/shop/show/BP/Lithium+Backpack [2] “E2 Datasheet”, Apr. 8, 2010. [Online]. Available: http://Energizer-L91BP-8-Lithium-Battery-8-Pack/dp/B0000DC4EL [3] “Arduino Pro Mini”, Apr. 8, 2010. [Online]. Available: http://www.sparkfun.com/commerce/product_info.php?products_id=9220 [4] “Vibration Sensor/Switch” ,Apr. 8, 2010. [Online]Available: http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=MSP1007-ND Power Conditioning

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