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Emerging Technologies of Computation

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This presentation discusses emerging technologies in energy harvesting systems, focusing on various case studies from distinguished institutions such as CEA-LETI, University of Newcastle, and Imperial College. We explore power management subsystems, piezoelectric harvesters, and biosensors. Key topics include the conversion of analog events to digital signals, switched capacitor power converters, and the challenges and benefits of different harvesting techniques. Future topics will cover solar energy applications at UCLA and acoustic harvesting systems at Caltech, alongside the open questions that remain in this field.

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Emerging Technologies of Computation

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Presentation Transcript

  1. Emerging Technologies of Computation Montek Singh COMP790-084 Sep 27, 2011

  2. Today: Energy Harvesting Systems • Case studies • CEA-LETI (power management) • Univ. of Newcastle (power management) • Imperial College (biosensors) • Next time: • UCLA (solar) • Caltech (acoustic) • Challenges and Benefits • Open questions

  3. CEA-LETI case study • Managy • power management subsystem • harvested power vs. stored power • low/medium/high power modes • In center is digital power controller • multiple harvestors • multiple sensors • multiple processing “loads”

  4. CEA-LETI case study • Convert analog events (energy level change, sensor input)… • … to asynchronous digital event for controller

  5. Newcastle case study • Background: switched capacitor power converters • reconfigure topology to convert voltages

  6. Newcastle case study • Propose capacitor bank with an intelligent switching controller

  7. Newcastle case study • Piezoelectric harvesters • Experiments with different voltage converters

  8. Imperial College case study • Biosensors/harvesters • directly attached to human body

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