Nanoscale piezoelectric vibration energy harvester design
Sign Up to like & getrecommendations! Published in 2017 at "AIP Advances"
DOI: 10.1063/1.4994577
Abstract: Development of new nanoscale devices has increased the demand for new types of small-scale energy resources such as ambient vibrations energy harvesters. Among the vibration energy harvesters, piezoelectric energy harvesters (PEHs) can be easily miniaturized… read more here.
Keywords: energy; vibration; vibration energy; piezoelectric vibration ... See more keywords
Low-voltage broadband piezoelectric vibration energy harvesting enabled by a highly-coupled harvester and tunable PSSHI circuit
Sign Up to like & getrecommendations! Published in 2021 at "Smart Materials and Structures"
DOI: 10.1088/1361-665x/ac3402
Abstract: This paper presents a system-level design approach for widening the bandwidth and lowering the operating voltage of a piezoelectric vibration energy harvesting system (PVEHS). The proposed strategy involves co-optimization of the two constituent parts: (1)… read more here.
Keywords: system; piezoelectric vibration; vibration energy; voltage ... See more keywords
Mechanical Rectifier for Broadband Piezoelectric Vibration Energy Harvesting and Self-Adapting Synchronous Electric Charge Extraction
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2023.3249236
Abstract: The synchronized switch interface circuit is believed to boost piezoelectric power generation. The threshold voltage of electronic components causes rectification loss and delay in peak detection. This work reports a novel design of a mechanical… read more here.
Keywords: energy harvesting; self adapting; energy; vibration ... See more keywords
Piezoelectric vibration energy harvesting: A connection configuration scheme to increase operational range and output power
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Intelligent Material Systems and Structures"
DOI: 10.1177/1045389x16682846
Abstract: For a conventional monolithic piezoelectric transducer (PT) using a full-bridge rectifier, there is a threshold voltage that the open-circuit voltage measured across the PT must attain prior to any transfer of energy to the storage… read more here.
Keywords: range; energy; vibration energy; output ... See more keywords
Investigation of boundary flexibility on the performance of piezoelectric vibration energy harvesting beam systems by DTFM
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Intelligent Material Systems and Structures"
DOI: 10.1177/1045389x221095868
Abstract: The purpose of this paper is to investigate the effect of boundary flexibility on the performance of piezoelectric vibration energy harvester (PVEH) beam systems, which has not been studied comprehensively in the literature despite its… read more here.
Keywords: performance piezoelectric; boundary flexibility; flexibility performance; energy ... See more keywords
Theoretical and Experimental Studies on MEMS Variable Cross-Section Cantilever Beam Based Piezoelectric Vibration Energy Harvester
Sign Up to like & getrecommendations! Published in 2021 at "Micromachines"
DOI: 10.3390/mi12070772
Abstract: The piezoelectric vibration energy harvester (PVEH) based on the variable cross-section cantilever beam (VCSCB) structure has the advantages of uniform axial strain distribution and high output power density, so it has become a research hotspot… read more here.
Keywords: cantilever beam; cross; output; piezoelectric vibration ... See more keywords
Multidirectional Piezoelectric Vibration Energy Harvester Based on Cam Rotor Mechanism
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DOI: 10.3390/mi14061159
Abstract: The techniques that harvest mechanical energy from low-frequency, multidirectional environmental vibrations have been considered a promising strategy to implement a sustainable power source for wireless sensor networks and the Internet of Things. However, the obvious… read more here.
Keywords: harvester; energy; piezoelectric vibration; cam rotor ... See more keywords
Comparison of L-Shaped and U-Shaped Beams in Bidirectional Piezoelectric Vibration Energy Harvesting
Sign Up to like & getrecommendations! Published in 2022 at "Nanomaterials"
DOI: 10.3390/nano12213718
Abstract: The traditional single degree of freedom linear piezoelectric vibration energy harvester (PVEH), such as the cantilever type, mainly works and resonates in a single direction and at a single frequency. To adapt broadband and bidirectional… read more here.
Keywords: energy harvesting; pveh; vibration; vibration energy ... See more keywords