Results 131 to 140 of about 7,594 (251)

Simulation of Piezoelectric Stack Actuators for Loss Component

open access: yesJournal of Engineering Science and Technology Review, 2021
Mark Christian P. Espinosa   +3 more
openaire   +1 more source

Bridging the Gap: Integrating Energy Management with Moisture‐Electric Energy Harvesting

open access: yesAdvanced Physics Research, EarlyView.
This review explores energy management strategies that have been successfully applied in other energy harvesting systems, with the aim of adapting such strategies for MEG applications. Through analysis, learning, and adaptation of these existing systems, it is possible to help MEGs achieve more stable electrical output and accelerate their real‐world ...
Zhongliang Zhang   +2 more
wiley   +1 more source

Piezoelectric pushers for active vibration control of rotating machinery [PDF]

open access: yes
The active control of rotordynamic vibrations and stability by magnetic bearings and electromagnetic shakers have been discussed extensively in the literature. These devices, though effective, are usually large in volume and add significant weight to the
Kascak, Albert F., Palazzolo, Alan B.
core   +1 more source

Advances in Regulating Strategies and Applications of Ferroelectric Materials

open access: yesAdvanced Physics Research, EarlyView.
To meet the demand for precise control of performance in nanoelectronic devices, this paper systematically reviews the latest advances in controlling ferroelectric properties through strategies such as external field modulation, low‐dimensional confinement, interface engineering, and topological structure design.
Jianying Ji, Cong Liu, Dan Luo, Zhou Li
wiley   +1 more source

Recent advances in boosting interfacial bubble dynamics with external fields

open access: yesDroplet, EarlyView.
External physical fields, including acoustic, magnetic, thermal, mechanical, and optical stimuli, accelerate the entire bubble‐dynamics sequence of nucleation, growth, and detachment. Abstract The efficiency of industrial electrocatalytic reactions depends not only on generating gaseous products but also on their detachment from the catalyst surface ...
Wenlu Xie   +5 more
wiley   +1 more source

Fabrication Methods for Adaptive Deformable Mirrors [PDF]

open access: yes
Previously, it was difficult to fabricate deformable mirrors made by piezoelectric actuators. This is because numerous actuators need to be precisely assembled to control the surface shape of the mirror. Two approaches have been developed.
Daraio, Chiara   +8 more
core   +1 more source

Two‐Dimensional Piezoelectric Nanomaterials for Nanoelectronics and Energy Harvesting

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Two‐Dimensional Piezoelectric Nanomaterials from properties to applications. Smart materials, especially piezoelectric materials, have gained popularity over the last two decades. Two‐dimensional (2D) piezoelectric materials exhibit attributes including great flexibility, ease of workability, extensive surface area, and many active sites, indicating ...
Yujun Cao   +12 more
wiley   +1 more source

GaIn‐Induced Polarization Control in PVDF for High‐Efficiency Energy Harvesting and Instantaneous Wireless Sensing

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This study presents a liquid metal–engineered β‐PVDF composite enabling high‐performance piezoelectric–triboelectric nanogenerators. Guided by MD/DFT simulations, GaIn doping promotes β‐phase formation and dipole alignment, while native oxides enhance charge retention.
Jiaqi Lu   +13 more
wiley   +1 more source

Active micro-vibration isolation system for adaptive vibration suppression tests using piezoelectric stack actuator

open access: yesJournal of Low Frequency Noise, Vibration and Active Control
An active micro-vibration isolation system for adaptive vibration suppression using piezoelectric stack actuators is presented, along with the discrete time modelling method, real-time adaptive controller design, and hardware implementation.
Zhiyuan Gao   +3 more
doaj   +1 more source

Recent advances in multifunctional soft robots: A materials–structures–systems co‐design perspective for synergistic integration

open access: yesFlexMat, EarlyView.
Abstract Soft robots, engineered from highly compliant materials, offer superior adaptability and safety in unstructured environments compared to their rigid counterparts. Recent advancements, fueled by bio‐inspiration and material programmability, have led to the rapid co‐evolution of their core modules: actuation, sensing, protection, energy, and ...
Qiulei Liu   +3 more
wiley   +1 more source

Home - About - Disclaimer - Privacy