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Montek Singh COMP790-084 Sep 27, 2011.  Case studies ◦ CEA-LETI (power management) ◦ Univ. of Newcastle (power management) ◦ Imperial College (biosensors)

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Presentation on theme: "Montek Singh COMP790-084 Sep 27, 2011.  Case studies ◦ CEA-LETI (power management) ◦ Univ. of Newcastle (power management) ◦ Imperial College (biosensors)"— Presentation transcript:

1 Montek Singh COMP Sep 27, 2011

2  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  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  Convert analog events (energy level change, sensor input)…  … to asynchronous digital event for controller

5  Background: switched capacitor power converters ◦ reconfigure topology to convert voltages

6  Propose capacitor bank with an intelligent switching controller

7  Piezoelectric harvesters  Experiments with different voltage converters

8  Biosensors/harvesters ◦ directly attached to human body


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