Results 41 to 50 of about 92,229 (292)
Piezoelectric vibration energy harvesting from airflow in HVAC (Heating Ventilation and Air Conditioning) systems [PDF]
, 2017 This study focuses on the design and wind tunnel testing of a high efficiency Energy Harvesting device, based on piezoelectric materials, with possible applications for the sustainability of smart buildings, structures and infrastructures.
Bontempi, Franco +2 more
core +1 more source
New High Efficiency and Strength Bending Strain Sensor Based on Piezoelectric Stacks
BuildingsThis 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
IEEE 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
A multi-sensor based online tool condition monitoring system for milling process [PDF]
, 2018 Tool condition monitoring has been considered as one of the key enabling technologies for manufacturing optimization. Due to the high cost and limited system openness, the relevant developed systems have not been widely adopted by industries, especially ...
Li, Weidong +4 more
core +1 more source
Modeling and Measurement of Noise in Aluminium Nitride Piezoelectric MEMS
Advanced Electronic MaterialsThis 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
An Ultrasonic Sensor for Distance Measurement in Automotive Applications [PDF]
, 2001 This paper describes an ultrasonic sensor that is able to measure the distance from the ground of selected points of a motor vehicle. The sensor is based on the measurement of the time of flight of an ultrasonic pulse, which is reflected by the ground. A
Carullo, Alessio, Parvis, Marco
core +1 more source
Advanced Engineering Materials, EarlyView.Carbon nanomaterial‐reinforced epoxy composites exhibit pronounced piezoresistive behavior, enabling intrinsic damage sensing under cyclic and fatigue loading. This review critically compares carbon nanotube and graphene systems, correlating filler content, percolation threshold, and gauge factor with sensing stability and damage evolution.
J. M. Parente +3 more
wiley +1 more source
A robust loop-shaping approach to fast and accurate nanopositioning [PDF]
, 2013 Peer ...
Aphale, Sumeet S. +2 more
core +3 more sources
Advanced 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
Monolithic ultrasound fingerprint sensor. [PDF]
, 2017 This paper presents a 591×438-DPI ultrasonic fingerprint sensor. The sensor is based on a piezoelectric micromachined ultrasonic transducer (PMUT) array that is bonded at wafer-level to complementary metal oxide semiconductor (CMOS) signal processing ...
Boser, Bernhard E +7 more
core +1 more source