Bringing Robustness and Power Efficiency to Autonomous Energy-Harvesting Microsystems

Asynchronous circuits are well-suited to ultra-low-power design. This article presents a microsystem that is powered only by energy extracted from the environment to implement an autonomous sensing application. Key to this application is the use of asynchronous logic, which not only provides greater...

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Bibliographic Details
Published in:IEEE design & test of computers 2011-09, Vol.28 (5), p.84-94
Main Authors: Christmann, Jean-Frederic, Beigne, E., Condemine, C., Vivet, P., Willemin, J., Leblond, N., Piguet, C.
Format: Article
Language:English
Subjects:
Adaptation
Asynchronous circuits
asynchronous controller
Autonomous
Batteries
Chapels
Circuits
Computer architecture
design and test
Energy harvesting
Energy use
microsystem
Power efficiency
power management
Power supplies
Robustness
Sensors
Voltage control
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Summary:Asynchronous circuits are well-suited to ultra-low-power design. This article presents a microsystem that is powered only by energy extracted from the environment to implement an autonomous sensing application. Key to this application is the use of asynchronous logic, which not only provides greater energy efficiency due to its event-driven nature but, more importantly, allows graceful adaptation to highly variable power availability.
ISSN:0740-7475
2168-2356
1558-1918
2168-2364
DOI:10.1109/MDT.2011.101