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Some of the next articles are maybe not open access.

Soft-contact cylindrical triboelectric-electromagnetic hybrid nanogenerator based on swing structure for ultra-low frequency water wave energy harvesting

Nano Energy, 2021
Ocean waves are promising green sources for energy exploitation, but harvesting such energy is quite challenging due to the apparent drawbacks of ultra-low vibration frequency and low efficiency.
Yawei Feng, Jie An, Tao Jiang
exaly   +2 more sources

PVDF Piezoelectric Film Accelerometer for Low Frequency and Ultra-Low Frequency

open access: yesApplied Mechanics and Materials, 2011
The measurement of low and ultra-low frequency vibration has always been a very difficult problem. In this paper, a new structure is designed and a new type of low and ultra-low frequency accelerometer is developed by using a sensitive element PVDF.
Zhou Wan, Tao Ji, Yuan Yuan Shang
openaire   +2 more sources

A novel testing method for ultra-low-frequency vibration signal based on passive radio frequency tag sensing

Review of Scientific Instruments
Ultra-low-frequency vibration is prevalent in many critical research fields. Nevertheless, for ultra-low-frequency vibration signals below 1 Hz, there is currently a lack of a cost-effective and efficient measurement method.
Litai Lou, Jianhua Yang, Kaixuan Ma
exaly   +2 more sources

Customized quasi-zero-stiffness metamaterials for ultra-low frequency broadband vibration isolation

International Journal of Mechanical Sciences
Yanhui Wang   +2 more
exaly   +2 more sources

Analysis of Ultra-Low Frequency Oscillation in Hydro-Dominant Power System and Suppression Strategy by GPSS

IEEE transactions on industry applications, 2023
After asynchronous operation, the Southwest Power Grid in China has the risk of ultra-low frequency oscillation, which seriously threatens the stable operation of the power grid.
Xinlei Shi   +7 more
semanticscholar   +1 more source

Snap-through energy harvester with buckled mechanism and hierarchical auxetic structures for ultra-low-frequency rotational excitations

Applied Physics Letters, 2023
In this Letter, a snap-through energy harvester is proposed to break through the energy output bottleneck of ultra-low-frequency (
Shitong Fang   +4 more
semanticscholar   +1 more source

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