{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Wu W"],"funding":["Zhejiang Provincial Natural Science Foundation of China","Key Science and Technology Plan Project of Jinhua City","Key Science and Technology Plan Project of Jinhua City, China","Zhejiang Provincial Natural Science Foundation"],"pagination":["1371"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC10935245"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["24(5)"],"pubmed_abstract":["This paper proposes a wind-speed-adaptive resonant piezoelectric energy harvester for offshore wind energy collection (A-PEH). The device incorporates a coil spring structure, which sets the maximum threshold of the output rotational frequency, allowing the A-PEH to maintain a stable output rotational frequency over a broader range of wind speeds. When the maximum output excitation frequency of the A-PEH falls within the sub-resonant range of the piezoelectric beam, the device becomes wind-speed-adaptive, enabling it to operate in a sub-resonant state over a wider range of wind speeds. Offshore winds exhibit an annual average speed exceeding 5.5 m/s with significant variability. Drawing from the characteristics of offshore winds, a prototype of the A-PEH was fabricated. The experimental findings reveal that in wind speed environments, the device has a startup wind speed of 4 m/s, and operates in a sub-resonant state when the wind speed exceeds 6 m/s. At this point, the A-PEH achieves a maximum open-circuit voltage of 40 V and an average power of 0.64 mW. The wind-speed-adaptive capability of the A-PEH enhances its ability to harness offshore wind energy, showcasing its potential applications in offshore wind environments."],"journal":["Sensors (Basel, Switzerland)"],"pubmed_title":["Wind-Speed-Adaptive Resonant Piezoelectric Energy Harvester for Offshore Wind Energy Collection."],"pmcid":["PMC10935245"],"funding_grant_id":["2023-2-011","LZ24E050008"],"pubmed_authors":["Pan Z","Li J","Wen J","Hu Y","Ma J","Wang X","Wu W","Wang Y","Zhou J"],"additional_accession":[]},"is_claimable":false,"name":"Wind-Speed-Adaptive Resonant Piezoelectric Energy Harvester for Offshore Wind Energy Collection.","description":"This paper proposes a wind-speed-adaptive resonant piezoelectric energy harvester for offshore wind energy collection (A-PEH). The device incorporates a coil spring structure, which sets the maximum threshold of the output rotational frequency, allowing the A-PEH to maintain a stable output rotational frequency over a broader range of wind speeds. When the maximum output excitation frequency of the A-PEH falls within the sub-resonant range of the piezoelectric beam, the device becomes wind-speed-adaptive, enabling it to operate in a sub-resonant state over a wider range of wind speeds. Offshore winds exhibit an annual average speed exceeding 5.5 m/s with significant variability. Drawing from the characteristics of offshore winds, a prototype of the A-PEH was fabricated. The experimental findings reveal that in wind speed environments, the device has a startup wind speed of 4 m/s, and operates in a sub-resonant state when the wind speed exceeds 6 m/s. At this point, the A-PEH achieves a maximum open-circuit voltage of 40 V and an average power of 0.64 mW. The wind-speed-adaptive capability of the A-PEH enhances its ability to harness offshore wind energy, showcasing its potential applications in offshore wind environments.","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Feb","modification":"2026-07-07T03:14:26.942Z","creation":"2026-07-07T03:08:31.624Z"},"accession":"S-EPMC10935245","cross_references":{"pubmed":["38474906"],"doi":["10.3390/s24051371"]}}