Multistability phenomenon in signal processing, energy harvesting, composite structures, and metamaterials: A review

S Fang, S Zhou, D Yurchenko, T Yang… - Mechanical Systems and …, 2022 - Elsevier
Multistability is the phenomenon of multiple coexistent stable states, which are highly
sensitive to perturbations, initial conditions, system parameters, etc. Multistability has been …

Tuned bistable nonlinear energy sink for simultaneously improved vibration suppression and energy harvesting

S Fang, K Chen, J **ng, S Zhou, WH Liao - International Journal of …, 2021 - Elsevier
Despite the combination of nonlinear vibration suppression (VS) and energy harvesting (EH)
has received great attention in recent years, the strategy to simultaneously improve the …

An auxetic nonlinear piezoelectric energy harvester for enhancing efficiency and bandwidth

K Chen, Q Gao, S Fang, D Zou, Z Yang, WH Liao - Applied Energy, 2021 - Elsevier
In this paper, we design and experimentally validate an auxetic nonlinear piezoelectric
energy harvester. This harvester adopts a clamp-clamp beam with auxetic structures, which …

Periodic solutions and frequency lock-in of vortex-induced vibration energy harvesters with nonlinear stiffness

Z Li, H Zhang, G Litak, S Zhou - Journal of Sound and Vibration, 2024 - Elsevier
The phenomenon of amplitude jump usually means the presence of multi-solution ranges
and unstable periodic solutions, which has not been fully explored in the field of vortex …

Ori-inspired bistable piezoelectric energy harvester for scavenging human shaking energy: Design, modeling, and experiments

C Hou, X Zhang, H Yu, X Shan, G Sui, T **e - Energy Conversion and …, 2022 - Elsevier
Origami structure has nonlinear characteristics, which can broaden the vibration frequency
band and improve the dynamic responses. By combining the origami structure with the …

Broadband energy harvester for low-frequency rotations utilizing centrifugal softening piezoelectric beam array

S Fang, G Miao, K Chen, J **ng, S Zhou, Z Yang… - Energy, 2022 - Elsevier
Harvesting the rotational energy has drawn great attention in the past decade with its
abundance in our living environment and its great potential to power the wireless transmitter …

Enhancing power output of piezoelectric energy harvesting by gradient auxetic structures

K Chen, S Fang, Q Gao, D Zou, J Cao… - Applied Physics …, 2022 - pubs.aip.org
In this Letter, a method is proposed to increase the power output of piezoelectric energy
harvesting via gradient auxetic structures. This method is validated through a gradient …

An enhanced nonlinear piezoelectric energy harvester with multiple rotating square unit cells

K Chen, S Fang, Q Gao, D Zou, J Cao… - Mechanical Systems and …, 2022 - Elsevier
In this paper, a new method is proposed to enhance the performance of auxetic nonlinear
piezoelectric energy harvesting by increasing the unit cell number of auxetic structure. This …

Bioinspired omnidirectional piezoelectric energy harvester with autonomous direction regulation by hovering vibrational stabilization

Z Wang, Y Du, T Li, Z Yan, T Tan - Energy Conversion and Management, 2022 - Elsevier
Multidirectional approaches are essential for harnessing mechanical energy of random
varying directions. Traditional multidirectional technologies are difficult to effectively …

Vibro-impact energy harvester for low frequency vibration enhanced by acoustic black hole

L Zhang, X Tang, Z Qin, F Chu - Applied Physics Letters, 2022 - pubs.aip.org
In this Letter, we propose an enhanced vibro-impact energy harvester using acoustic black
holes (ABHs) for scavenging low-frequency vibration energy. The energy harvester involves …