Results 51 to 60 of about 32,592 (266)

Energy consumption modeling of industrial robot based on simulated power data and parameter identification

open access: yesAdvances in Mechanical Engineering, 2018
Industrial robots consume a considerable amount of energy in the manufacturing industry. As sustainable manufacturing is one of the directions of manufacturing, the energy efficiency of the industrial robots should be considered.
Aiming Liu   +4 more
doaj   +1 more source

Biodegradable and Biocompatible Functional Polymers for Biomedical Applications

open access: yesAdvanced Functional Materials, EarlyView.
Biodegradable and biocompatible functional polymers integrate electrical, mechanical, and stimuli‐responsive functionalities while enabling programmed degradation under physiological conditions. This review introduces recent advances in conductive, shape‐memory, self‐healing, photocurable, and adhesive polymer systems, emphasizing material design ...
Won Bae Han   +5 more
wiley   +1 more source

Non-contact assessment of cardiac physiology using FO-MVSS-based ballistocardiography: a promising approach for heart failure evaluation

open access: yesScientific Reports
Continuous monitoring of cardiac motions has been expected to provide essential cardiac physiology information on cardiovascular functioning. A fiber-optic micro-vibration sensing system (FO-MVSS) makes it promising.
Jing Zhan   +13 more
doaj   +1 more source

EMQP: An Energy-Efficient Privacy-Preserving MAX/MIN Query Processing in Tiered Wireless Sensor Networks

open access: yesInternational Journal of Distributed Sensor Networks, 2013
We consider a hybrid two-tiered sensor network consisting of regular resource-limited sensor nodes and powerful master nodes with abundant resources. In the architecture, master nodes take charge of storing data collected by sensor nodes and processing ...
Hua Dai, Geng Yang, Xiaolin Qin
doaj   +1 more source

Direct Channel Implantation of B and BF2 Ions for Functional Control of Oxygen Vacancies in Oxide Semiconductor Thin Film Transistors

open access: yesAdvanced Functional Materials, EarlyView.
Direct channel implantation of B and BF2 ions was employed to fabricate amorphous IGZO TFTs with improved electrical and stability properties. B and BF2 implantation modulate oxygen vacancies within the IGZO channel. The field‐effect mobility of ion‐implanted IGZO TFTs was enhanced as compared to pristine IGZO TFTs.
Beom Soo Kim   +9 more
wiley   +1 more source

Biomimetic Microfractals Based Flexible Triboelectric Nanogenerators

open access: yesAdvanced Functional Materials, EarlyView.
A leaf‐skeleton‐based microfractal architecture is integrated with guided CuNW networks and biomimetic triboelectric polymer layers, enabling breathable, flexible, and material‐efficient triboelectric nanogenerators. The resulting system combines enhanced charge generation and charge transport, offering potential for next‐generation self‐powered ...
Amit Barua   +7 more
wiley   +1 more source

Robust and Passive Motion Detection with COTS WiFi Devices

open access: yesTsinghua Science and Technology, 2017
Device-free Passive (DfP) detection has received increasing attention for its ability to support various pervasive applications. Instead of relying on variable Received Signal Strength (RSS), most recent studies rely on finer-grained Channel State ...
Hai Zhu   +5 more
doaj   +1 more source

Interface‐Defect Synergy Engineering of Amorphous Ga2O3 for Voltage‐Tunable Dual‐Mode Optoelectronic Devices: Self‐Powered Imaging and Neuromorphic Vision

open access: yesAdvanced Functional Materials, EarlyView.
An interface‐defect co‐engineered strategy enables bias‐programmable integration of self‐powered photodetection and low‐power synaptic functionalities within a single‐material amorphous Ga2O3 device. This design achieves reversible switching via voltage modulation, supporting high‐contrast imaging and visual memory, and demonstrates a neuromorphic ...
Wanjun Li   +13 more
wiley   +1 more source

Reduced-Complexity Radio Architectures for Enhanced Receive Selection Combining in Multiuser Diversity Systems

open access: yesInternational Journal of Antennas and Propagation, 2012
Although antenna selection is a simple and efficient technique for enhancing the downlink performance of multiuser diversity systems, the large antenna interelement spacing required for achieving spatial diversity is prohibitive for user terminals due to
Elpiniki P. Tsakalaki   +3 more
doaj   +1 more source

Study on Curved Surface Fitting of Countersink Based on Point Cloud

open access: yesIEEE Access, 2020
According to high precision of point cloud, countersink quality detection based on point cloud is an effective way to detect defect of countersink. One of the major processes in countersink quality detection is curved surface fitting.
Jiming Sa   +4 more
doaj   +1 more source

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