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- Title
An Inductorless Self-Controlled Rectifier for Piezoelectric Energy Harvesting.
- Authors
Shaohua Lu; Boussaid, Farid
- Abstract
This paper presents a high-efficiency inductorless self-controlled rectifier for piezoelectric energy harvesting. High efficiency is achieved by discharging the piezoelectric device (PD) capacitance each time the current produced by the PD changes polarity. This is achieved automatically without the use of delay lines, thereby making the proposed circuit compatible with any type of PD. In addition, the proposed rectifier alleviates the need for an inductor, making it suitable for on-chip integration. Reported experimental results show that the proposed rectifier can harvest up to 3.9 times more energy than a full wave bridge rectifier.
- Subjects
RECTIFIER instruments; PIEZOELECTRIC devices; ENERGY harvesting; ELECTRIC capacity; ELECTRIC inductors; POLARITY; BRIDGE rectifiers
- Publication
Sensors (14248220), 2015, Vol 15, Issue 11, p29192
- ISSN
1424-8220
- Publication type
Article
- DOI
10.3390/s151129192