Results 91 to 100 of about 241,456 (282)

Wireless Powered Communication: Opportunities and Challenges

, 2014
The performance of wireless communication is fundamentally constrained by the limited battery life of wireless devices, whose operations are frequently disrupted due to the need of manual battery replacement/recharging.
Bi, Suzhi, Ho, Chin Keong, Zhang, Rui
core   +1 more source

Epidermal Patch Technologies for Integrated Healthcare and Infection Management

Advanced Healthcare Materials, EarlyView.
Epidermal patches have evolved from simple wound coverings into multifunctional, skin‐conformable platforms integrating drug delivery, biosensing, and therapeutic functionalities. This review highlights their material innovations, fabrication strategies, and intelligent designs, including hydrogels, microneedles, and flexible electronics, while ...
Yuqi Wang, Atakan Tevlek, Pawel L. Urban, Boaz Mizrahi, Onome Ejeromedoghene, Roshan Deen, Yuanjing Lin, Jagan Mohan Dodda   +7 more
wiley   +1 more source

A sliding-mode-controlled rectification method for electric wheelchair wireless charging

Wireless Power Transfer
This article proposes a sliding-mode-controlled rectification method to address charging current fluctuations caused by coupling coil misalignment or distance variations in electric wheelchair applications.
Junhao Yang, Tianxu Feng, Junhao Zhang, Yu Ren, Liukang Tang   +4 more
doaj   +1 more source

Wireless Power Transfer for Distributed Estimation in Sensor Networks

, 2017
This paper studies power allocation for distributed estimation of an unknown scalar random source in sensor networks with a multiple-antenna fusion center (FC), where wireless sensors are equipped with radio-frequency based energy harvesting technology ...
Ishibashi, Koji, Mai, Vien V., Shin, Won-Yong   +2 more
core   +1 more source

3D‐Printed Piezoionic/Bioelectronic Hydrogel for Electro‐Metabolic Regulation of Osteogenic Differentiation

Advanced Healthcare Materials, EarlyView.
A 3D‐printed piezoionic GPMx hydrogel enables stable electromechanical signal generation under mechanical loading, exhibiting long‐term durability and low fatigue. As a bioactive patch, it restores endogenous bioelectricity to stimulate osteogenesis via Ca2+ influx and mitochondrial activation, while simultaneously enabling label‐free alkaline ...
Sayan Deb Dutta, Myoung Joon Jeon, Youjin Seol, Ki‐Taek Lim   +3 more
wiley   +1 more source

Improving misalignment tolerance for a third coil IPT charger with load-independent output

Wireless Power Transfer
This paper proposes a system to improve misalignment tolerance and achieve constant current (CC) and constant voltage (CV) outputs for an electric bicycle inductive power transfer (IPT) charger.
Hailong Zhang, Shuo Tian, Helin Wang, Xiaoyan Zhou   +3 more
doaj   +1 more source

Unveiling the Role of Curvature in Carbon for Improved Energy Release of Ammonium Perchlorate

Advanced Materials, EarlyView.
High‐curvature carbon materials identified via machine learning and simulation can enhance the heat release and combustion performance of ammonium perchlorate. ABSTRACT The catalytic role of carbon curvature in the thermal decomposition of ammonium perchlorate (AP) remains largely unexplored. To address this gap, this study employs machine learning and
Dan Liu, Keliang Song, Haorui Zhang, Zhipeng Liu, Guansong He, Junru Wang, Wenming Yang, Xu Zhao, Zhijian Yang   +8 more
wiley   +1 more source

A constant-current WPT system with S/S compensated topology and full-wave rectification

Wireless Power Transfer
In wireless charging applications, the constant current (CC) charging process is a critical stage that garners significant attention. This paper presents a novel S/SP compensation topology that achieves load-independent CC output, as well as offering ...
Liang Cai, Jianwei Mai, Jian Cui, Chuangqiang Guo, Dianguo Xu   +4 more
doaj   +1 more source

Bioinspired Adaptive Sensors: A Review on Current Developments in Theory and Application

Advanced Materials, EarlyView.
This review comprehensively summarizes the recent progress in the design and fabrication of sensory‐adaptation‐inspired devices and highlights their valuable applications in electronic skin, wearable electronics, and machine vision. The existing challenges and future directions are addressed in aspects such as device performance optimization ...
Guodong Gong, You Zhou, Qingxiu Li, Wenyu Zhao, Sunyingyue Geng, Hangfei Li, Yan‐Bing Leng, Shirui Zhu, Guanglong Ding, Yongbiao Zhai, Ziyu Lv, Ye Zhou, Su‐Ting Han   +12 more
wiley   +1 more source

Optimizing solar cell and module design with SnO2-ETL and organometal-halide perovskite absorber: SCAPS-1D and PVSyst analysis

Wireless Power Transfer
The increasing demand for global energy necessitates the exploration of renewable energy sources, including wind, solar, and hydrothermal energy. Solar energy is particularly advantageous because of its abundance and year-round availability.
Abdul Basit, Irfan Qasim
doaj   +1 more source