Results 11 to 20 of about 75,218 (54)

Artificial Intelligence Control Methodologies for Shape Memory Alloy Actuators: A Systematic Review and Performance Analysis

Micromachines
Shape Memory Alloy (SMA) actuators are pivotal in modern engineering due to their unique thermomechanical properties, but their inherent non-linearities, hysteresis, and temperature sensitivity pose significant control challenges.
Stefano Rodinò, Giuseppe Rota, Matteo Chiodo, Antonio Corigliano, Carmine Maletta   +4 more
doaj   +1 more source

Evaluación del predominio de variables geométricas en la frecuencia natural del sensor piezoeléctrico CTN-10- 3/92. // Geometric variables evaluation with influence in the natural frecuency of the piezoelectric sensor CTN-10-3/92.

Ingeniería Mecánica, 2002
La modelación teórica, numérica o experimental del sistema de rigidez de sensores piezoeléctricos se desarrollaesencialmente para satisfacer requerimientos de usuarios, consistente en precisar la zona de trabajo en la característica defrecuencias del ...
R. Armas Cardona, F. Martínez Luzardo, J. García de la Figal Costales   +2 more
doaj  

Structural Optimization Design of the Dual-Layer CMUT with Low Power Consumption and High Ultrasonic Reception Performance

Micromachines
Capacitive micromachined ultrasonic transducers (CMUTs) have been widely applied in fields such as air-coupled ultrasonic nondestructive testing, gesture recognition, and 3D imaging. However, most current CMUTs struggle to simultaneously achieve both low
Jie Li, Zhaohui Xiao, Zutang Wu, Xiong Hu, Zhikang Li, Yihe Zhao, Min Li, Jiawei Yuan, Shaohui Qin, Libo Zhao   +9 more
doaj   +1 more source

Laser Active Optical Systems (LAOSs) for Material Processing

Micromachines
The output energy of Laser Active Optical Systems (LAOSs), in which image brightness is amplified within the laser-active medium, is always higher than the input energy. This contrasts with conventional optical systems (OSs).
Vladimir Chvykov
doaj   +1 more source

Dispositivo de posicionamiento de muestras biológicas para su irradiación en un canal radial de un reactor nuclear // Biological samples positioning device for irradiations on a radial channel at the nuclear research reactor

Ingeniería Mecánica, 2010
ResumenPor la demanda de un dispositivo experimental para el posicionamiento de las muestras biológicaspara su irradiación en un canal radial de un reactor nuclear de investigaciones en funcionamiento, seconstruyó y se puso en marcha un dispositivo para ...
Maritza Rodríguez - Gual, Felix Mas - Milián, Airton Deppman, Paulo Rogerio Pinto - Coelho   +3 more
doaj  

Optimal Design for a Novel Compliant XY Platform Integrated with a Hybrid Double Symmetric Amplifier Comprising One-Lever and Scott–Russell Mechanisms Arranged in a Perpendicular Series Layout for Vibration-Assisted CNC Milling

Micromachines
Compliant mechanisms are often utilized in precise positioning systems but have not been thoroughly examined in vibration-aided fine CNC machining. This study aims to develop a new 02-DOF flexure stage for vibration-aided fine CNC milling.
Minh Phung Dang, Anh Kiet Luong, Hieu Giang Le, Chi Thien Tran   +3 more
doaj   +1 more source

A Disposable Dopamine Sensor Based on Oxidized Cellulose Nanofibril-Modified SPCE

Micromachines
Dopamine is a major catecholamine neurotransmitter that plays an essential role in the functioning of the human central nervous system. Imbalances in dopamine levels are associated with neurological disorders and depression.
Feriel Boussema, Sondes Bourigua, Zayneb Jebali, Hatem Majdoub, Nicole Jaffrezic-Renault, Hamdi Ben Halima   +5 more
doaj   +1 more source

A Dialysis Membrane-Integrated Microfluidic Device for Controlled Drug Retention and Nutrient Supply

Micromachines
Traditional pre-clinical drug evaluation methods, including animal experiments and static cell cultures using human-derived cells, face critical limitations such as interspecies differences, ethical concerns, and poor physiological relevance.
Hajime Miyashita, Yuya Ito, Kenta Shinha, Hiroko Nakamura, Hiroshi Kimura   +4 more
doaj   +1 more source

Research Progress and Application Scenarios of Wire + Arc Additive Manufacturing: From Process Control to Performance Evaluation

Micromachines
In recent years, with the innovation and continuous development of additive manufacturing technology, research on wire arc additive manufacturing technology (WAAM) has become increasingly common and in-depth in the chemical industry, mold manufacturing ...
Chun Guo, Qingcheng Lin, Ruizhang Hu, Suisong Wu   +3 more
doaj   +1 more source

Double-Sided Fabrication of Low-Leakage-Current Through-Silicon Vias (TSVs) with High-Step-Coverage Liner/Barrier Layers

Micromachines
In this paper, a novel through-silicon via (TSV) fabrication strategy based on through-hole structures is proposed for low-cost and low-complexity manufacturing. Compared to conventional TSV fabrication processes, this method significantly simplifies the
Baoyan Yang, Houjun Sun, Kaiqiang Zhu, Xinghua Wang   +3 more
doaj   +1 more source