NDLI: Low power adaptive power management with energy aware interface for wireless sensor nodes powered using piezoelectric energy harvesting

Content Provider	IEEE Xplore Digital Library
Author	Zheng Jun Chew Meiling Zhu
Copyright Year	2015
Description	Author affiliation: Coll. of Eng., Math. & Phys. Sci., Univ. of Exeter, Exeter, UK (Zheng Jun Chew; Meiling Zhu)
Abstract	A batteryless power management circuit incorporating an energy aware interface (EAI) for wireless sensor nodes (WSNs) powered by piezoelectric energy harvester (PEH) has been proposed and implemented. Traditional power management usually requires two DC-DC converters, each for maximum power point tracking (MPPT) and voltage regulation functionalities. The proposed circuit requires only one DC-DC converter for both the MPPT and voltage regulation. The EAI also provides a means to voltage regulation. This allows the circuit to have higher efficiency as the energy transfer does not have to go through two stages to reach the load. A PEH connected to the proposed circuit was tested under various vibration conditions. The circuit was found to have end-to-end efficiency of about 66% under most of the test conditions.
Sponsorship	IEEE
Starting Page	1
Ending Page	4
File Size	770257
Page Count	4
File Format	PDF
e-ISBN	9781479982035
DOI	10.1109/ICSENS.2015.7370663
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-11-01
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless sensor networks Capacitors Strain Voltage control Vibrations Energy harvesting Voltage measurement Power management Energy storage Piezoelectric energy harvester
Content Type	Text
Resource Type	Article

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