Results 51 to 60 of about 5,094 (240)

Biomechanical analysis of different dynamic sitting techniques: an exploratory study

BioMedical Engineering OnLine, 2019
Prolonged static sitting in wheelchairs increases the risk of pressure ulcers. This exploratory study proposed three dynamic sitting techniques in order to reduce the risk of developing pressure ulcer during wheelchair sitting, namely lumbar prominent ...
Chun-Ting Li, Yen-Nien Chen, Yen-Ting Tseng, Kuen-Horng Tsai   +3 more
doaj   +1 more source

Strategic Design of Soft Actuators in Translational Medical Robotics for Human‐Centered Healthcare

Advanced Robotics Research, EarlyView.
Soft robotics enables biocompatible, compliant medical devices, but clinical translation requires design‐driven engineering beyond materials. This perspective reviews implantable, surgical, and wearable systems by actuation mechanism, highlighting how optimized architectures and integration improve mechanical interfacing, adaptability, and durability ...
Ho Jun Jin, Jimin Kim, Inho Kim, Bong Hoon Kim   +3 more
wiley   +1 more source

A novel cutterhead off-stuck strategy for tunnel boring machine based on electro-hydraulic hybrid driving

Advances in Mechanical Engineering, 2019
The cutterhead driving system of a tunnel boring machine may easily get jammed in fault zones driven by electro-motors of low torque capacity. To improve the geological adaptability, this work presents a novel electro-hydraulic hybrid cutterhead driving ...
Tong Liu, Guofang Gong, Huayong Yang, Yongliang Cheng, Yuxi Chen, Xinghai Zhou   +5 more
doaj   +1 more source

A Worm‐Inspired Origami Robot with Multimodal Locomotion for Adaptive Mobility in Complex Pipeline Environments

Advanced Science, EarlyView.
An origami worm‐inspired robot achieves multimodal locomotion in confined pipelines through mechatronic integration that embeds actuation, control, and communication within each origami module. Large, reversible configuration and dimensional changes enable 25 gaits synthesized by a unified framework across peristaltic, inchworm, and wheel‐rolling modes
Qiwei Zhang, Kangning Tan, Zihan He, Hongsen Pang, Yanjie Wang, Hongbin Fang, Jian Xu   +6 more
wiley   +1 more source

MECHATRONIC SYSTEM OF GRAIN COMBINE ADAPTIVE DRIVING CONTROL

Advanced Engineering Research, 2012
The basic external actions on the grain combine mechatronic control system, and their effect on the motion pattern and the production process are considered.
Dmitry Yakovlevich Parshin, Denis Gennadyevich Shevchuk   +1 more
doaj  

Magnetically Boosted Water‐Splitting Performance in Metallic Glasses

Advanced Science, EarlyView.
A strategy for boosting water electrolysis efficiency using ultralow magnetic fields on soft‐magnetic MG wires is reported. Ni40Fe40P20 metallic glass exhibits superior overall water‐splitting performance (1.51 V @ 1000 mA cm−2) at 100 Oe, enabled by spin polarization in periodic surface magnetic domains to enhance orbital hybridization and net spin ...
Chaoqun Pei, Zheng‐Jie Chen, Yuyang Qian, Zhichao Lu, Dong Ma, Jiang Ma, Tao Feng, Jing Peng, Baoan Sun, Weihua Wang   +9 more
wiley   +1 more source

Investigating the heat transfer phenomena of CO2-EGS in the reservoir by experiment verification

MATEC Web of Conferences, 2016
The purpose of this study is to find the heat transfer phenomena of CO2-EGS in the reservoir. The heat transfer model conjugated with the Brinkman model is used. This numerical model is validated by the experiment of supercritical CO2.
Shih Bo-Yen, Hsieh Jui-Ching, Huang Hsin-Jung, Lin David T.W., Huang Chung-Neng, Wang Chi-Chang   +5 more
doaj   +1 more source

3D‐Printed Magnetoelectronics for Interactive Appliances and Self‐Aware 4D‐Printed Mechatronics

Advanced Science, EarlyView.
3D‐printed magnetoelectronics integrate high‐performance magnetic field sensing directly into complex structural components. Flexible spring and cross‐shaped sensors exhibit giant magnetoimpedance and 3D Hall sensing for vector field reconstruction. Applications include smart‐home switches, robotic joysticks, volumetric magnetometers, and self‐aware 4D‐
Eduardo Sergio Oliveros‐Mata, Anna Martin Vilardell, Fabian Ganss, Christoph Leyens, Lukas Stepien, Denys Makarov   +5 more
wiley   +1 more source

Multi‐Stimuli Responsive Magneto‐Coacervate Droplets for Selective Molecular Enrichment and Programmable Manipulation

Advanced Science, EarlyView.
ABSTRACT Coacervate droplets formed via liquid–liquid phase separation offer unique opportunities as microreactors and delivery vehicles due to their ability to selectively concentrate biomolecules and support biochemical reactions. However, their passive nature severely restricts precise spatial and temporal control, posing barriers to practical ...
Kailang Liu, Haocheng Ran, Haohui Ou, Peiying Chen, Cheng Qi, Tiantian Kong, Zhou Liu   +6 more
wiley   +1 more source

Modeling regional innovation in Egyptian governorates: Regional knowledge production function approach

Regional Science Policy &Practice, EarlyView., 2021
Abstract Knowledge and innovation have become a significant source of modern regional development. The paper aims to study the spatial association of innovation and model innovation, besides critiquing regional innovation policy, using the regional knowledge production function approach.
Mohamed Abouelhassan Ali
wiley   +1 more source