Results 31 to 40 of about 1,122,592 (279)

Investigation of the Temperature Compensation of Piezoelectric Weigh-In-Motion Sensors Using a Machine Learning Approach

open access: yesSensors, 2022
Piezoelectric ceramics have good electromechanical coupling characteristics and a high sensitivity to load. One typical engineering application of piezoelectric ceramic is its use as a signal source for Weigh-In-Motion (WIM) systems in road traffic ...
Hailu Yang   +6 more
doaj   +1 more source

New High Efficiency and Strength Bending Strain Sensor Based on Piezoelectric Stacks

open access: yesBuildings
This article is devoted to a mathematical model of a new piezoelectric sensor used for measuring bending strains. The first simple model of a piezoelectric sensor of bending deformations (we will call it a classical sensor) was presented in our previous ...
Vladimir Sidorov   +2 more
doaj   +1 more source

Design and testing of piezoelectric energy harvesting devices for generation of higher electric power for wireless sensor networks [PDF]

open access: yes, 2009
This paper reports our design and testing results on the electric output performance of a vibration-based piezoelectric energy harvesting device (PEHD). The PEHD is a cantilever with a sandwich structure and seismic mass attached to the tip.
Zhu, Meiling   +3 more
core   +1 more source

Near‐field electrospinning fabrication of piezoelectric polymer microfiber sensors for detection of weak mechanical excitation

open access: yesIET Nanodielectrics, 2023
Collection and conversion of widespread mechanical energy is one promising way to alleviate environmental pollution and energy crisis. Piezoelectric materials can effectively realise this conversion between mechanical and electrical energies.
Hanxiao Jiang   +6 more
doaj   +1 more source

3D-Printable Piezoelectric Composite Sensors for Acoustically Adapted Guided Ultrasonic Wave Detection

open access: yesSensors, 2022
Commercially available photopolymer resins can be combined with lead zirconate titanate (PZT) micrometer size piezoelectric particles to form 3D-printable suspensions that solidify under UV light.
Thomas Roloff   +3 more
doaj   +1 more source

Modeling and Measurement of Noise in Aluminium Nitride Piezoelectric MEMS

open access: yesAdvanced Electronic Materials
This study presents a comprehensive investigation into the noise behavior of piezoelectric MEMS devices using a combined experimental and modeling‐based approach. A detailed analysis is performed to decompose the total noise into its constituent sources,
Sina Zare Pakzad   +8 more
doaj   +1 more source

Air‐Pressure–Actuated Vibroacoustic Metamaterial With Tunable Bandgap: Design, Modeling, and Characterization

open access: yesAdvanced Engineering Materials, EarlyView.
This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal   +2 more
wiley   +1 more source

Direct and Extended Piezoresistive and Piezoelectric Strain Fusion for a Wide Band PVDF/MWCNT-Based 3D Force Sensor

open access: yesIEEE Access, 2021
This paper presents a novel 3D force sensor design based on in-situ nanocomposite strain sensors. The polymer matrix of the polyvinylidene fluoride (PVDF) and multi-walled carbon nanotubes (MWCNT) conductive filler nanocomposite film have been chosen as ...
Ahmed Alotaibi, Sohel Anwar
doaj   +1 more source

Current Status and Challenges in Data Collection for Aerospace Coatings Deposited by Plasma Spraying

open access: yesAdvanced Engineering Materials, EarlyView.
An innovative approach has been integrated into the GRENAT project to optimize plasma spraying and coating performance. Raw materials are accelerated and melted in the plasma generated by torches, creating coatings. Monitoring sensors collect process data which are combined with ex situ characterization data.
Lila Randriamananjara   +8 more
wiley   +1 more source

Continuous Stiffness Graded Metal–Ceramic Femoral Stems: UMAT‐Based Design and Finite Element Assessment

open access: yesAdvanced Engineering Materials, EarlyView.
Functionally graded metal–ceramic femoral stems are engineered through continuous UMAT‐based stiffness tailoring, eliminating discrete material interfaces while enhancing biomechanical compatibility. Low‐index power‐law gradation optimizes load transfer, reduces stress shielding, and controls implant–bone micromotion, highlighting a materials‐design ...
Rihem Nouira, Sameh Elleuch, Hanen Jrad
wiley   +1 more source

Home - About - Disclaimer - Privacy