Results 1 to 10 of about 37,633 (216)

The Challenge of Long-Distance Over-the-Air Wireless Links in the Ocean: A Survey on Water-to-Water and Water-to-Land MIoT Communication

Applied Sciences, 2022
Robust wireless communication networks are a cornerstone of the modern world, allowing data to be transferred quickly and reliably. Establishing such a network at sea, a Maritime Internet of Things (MIoT), would enhance services related to safety and ...
Hugo Dinis, João Rocha, Tiago Matos, Luís M. Gonçalves, Marcos Martins   +4 more
doaj   +1 more source

Inertial Data-Based AI Approaches for ADL and Fall Recognition

Sensors, 2022
The recognition of Activities of Daily Living (ADL) has been a widely debated topic, with applications in a vast range of fields. ADL recognition can be accomplished by processing data from wearable sensors, specially located at the lower trunk, which ...
Luís M. Martins, Nuno Ferrete Ribeiro, Filipa Soares, Cristina P. Santos   +3 more
doaj   +1 more source

From raw measurements to human pose - a dataset with low-cost and high-end inertial-magnetic sensor data

Scientific Data, 2022
Measurement(s) Raw magnetic, angular rate, and acceleration signals from body motion • Full body  kinematics Technology Type(s) Inertial Motion Capture • Inertial Motion Capture (Xsens MVN Awinda) Factor Type(s) Sex • Age • Body Mass • Body height Sample
Manuel Palermo, Sara M. Cerqueira, João André, António Pereira, Cristina P. Santos   +4 more
doaj   +1 more source

Provoking Artificial Slips and Trips towards Perturbation-Based Balance Training: A Narrative Review

Sensors, 2022
Humans’ balance recovery responses to gait perturbations are negatively impacted with ageing. Slip and trip events, the main causes preceding falls during walking, are likely to produce severe injuries in older adults.
Rafael N. Ferreira, Nuno Ferrete Ribeiro, Joana Figueiredo, Cristina P. Santos   +3 more
doaj   +1 more source

Fall Risk Assessment Using Wearable Sensors: A Narrative Review

Sensors, 2022
Recently, fall risk assessment has been a main focus in fall-related research. Wearable sensors have been used to increase the objectivity of this assessment, building on the traditional use of oversimplified questionnaires.
Rafael N. Ferreira, Nuno Ferrete Ribeiro, Cristina P. Santos   +2 more
doaj   +1 more source

PtOEP–PDMS-Based Optical Oxygen Sensor

Sensors, 2021
The advanced and widespread use of microfluidic devices, which are usually fabricated in polydimethylsiloxane (PDMS), requires the integration of many sensors, always compatible with microfluidic fabrication processes.
Camila M. Penso, João L. Rocha, Marcos S. Martins, Paulo J. Sousa, Vânia C. Pinto, Graça Minas, Maria M. Silva, Luís M. Goncalves   +7 more
doaj   +1 more source

Effect of metal decoration on sulfur-based gas molecules adsorption on phosphorene

Scientific Reports, 2021
Based on first-principles calculation, the adsorption of sulfur-based gas molecules (H2S, SO2, SO3) on various metal-decorated phosphorenes is researched systematically.
Yonghu Wang, Shuangying Lei, Ran Gao, Xiaolong Sun, Jie Chen   +4 more
doaj   +1 more source

Methodology for Phytoplankton Taxonomic Group Identification towards the Development of a Lab-on-a-Chip

Applied Sciences, 2022
This paper presents the absorbance and fluorescence optical properties of various phytoplankton species, looking to achieve an accurate method to detect and identify a number of phytoplankton taxonomic groups. The methodology to select the excitation and
Denise A. M. Carvalho, Vânia C. Pinto, Paulo J. Sousa, Vitor H. Magalhães, Emilio Fernández, Pedro A. Gomes, Graça Minas, Luís M. Gonçalves   +7 more
doaj   +1 more source

Thermal Contact Resistance between Mold Steel and Additively Manufactured Insert for Designing Conformal Channels: An Experimental Study

Journal of Manufacturing and Materials Processing, 2022
The focus of this research is on thermal contact resistance between a mold and its insert, specifically inserts made by additive manufacturing (AM). Using a thermal steady-state system and varying contact pressures (0, 50, 75, and 100 bars), we present ...
Andrews Souza, Paulina Capela, Vítor Lopes, Filipe Prior, Hélder Puga, Delfim Soares, José Teixeira   +6 more
doaj   +1 more source

Lower limb kinematic, kinetic, and EMG data from young healthy humans during walking at controlled speeds

Scientific Data, 2021
Measurement(s) walking • Lower Extremity Technology Type(s) motion capture • electromyography • force platform Factor Type(s) sex • age • height • mass • leg length • foot length Sample Characteristic - Organism Homo sapiens Machine-accessible metadata ...
Luís Moreira, Joana Figueiredo, Pedro Fonseca, João P. Vilas-Boas, Cristina P. Santos   +4 more
doaj   +1 more source