Results 91 to 100 of about 8,910 (210)

ENERGY HARVESTING AND RECHARGING FOR WIRELESS SENSOR NETWORKS

open access: yes, 2022
Minimizing energy consumption for wireless sensor networks lifetime is one of the main problems in wireless sensor networks. The problem is long term autonomous operation of wireless sensor networks. This implies harvesting and recharging the sensor nodes during it is operation by employing the energy harvesting method using the sunlight available. The
Gaudence Tesha, Tongora Eliphas Frank
openaire   +2 more sources

Electronic jelly: Engineering the mechanics of hydrogels for flexible electronics

open access: yesFlexMat, EarlyView.
By unifying mechanical reinforcement strategies—double networks, structural ordering, and dynamic interactions—this review demonstrates how engineered hydrogels can transcend their fragility to achieve the strength, toughness, and reliability required for flexible electronics, including wearable sensors, energy devices, and soft robotic systems ...
Tianfu Zheng   +2 more
wiley   +1 more source

Underground wireless charging device deployment algorithm based on grid divisio

open access: yesGong-kuang zidonghua, 2018
Aiming at scenario of using wireless charging device to carry out energy transmission for underground wireless rechargeable sensor networks, deployment of charging device was transformed into charging coverage problem, and the optimal charging coverage ...
GUO Yu   +4 more
doaj   +1 more source

Recent advances in multifunctional soft robots: A materials–structures–systems co‐design perspective for synergistic integration

open access: yesFlexMat, EarlyView.
Abstract Soft robots, engineered from highly compliant materials, offer superior adaptability and safety in unstructured environments compared to their rigid counterparts. Recent advancements, fueled by bio‐inspiration and material programmability, have led to the rapid co‐evolution of their core modules: actuation, sensing, protection, energy, and ...
Qiulei Liu   +3 more
wiley   +1 more source

Energy-Optimal Scheduling in Low Duty Cycle Sensor Networks [PDF]

open access: yes, 2011
Energy consumption of a wireless sensor node mainly depends on the amount of time the node spends in each of the high power active (e.g., transmit, receive) and low power sleep modes.
Aydin, Nursen   +4 more
core   +2 more sources

AI‐enabled biomimetic flexible pressure sensors for high‐precision gait monitoring and rehabilitation assessment

open access: yesFlexMat, EarlyView.
A biomimetic multilayer capacitive sensor‐integrated insole enables high‐resolution plantar pressure mapping for intelligent gait analysis. Featuring ultrahigh sensitivity, wide detection range, and long‐term stability, the system leverages AI algorithms to decode spatiotemporal pressure signals, achieving accurate recognition of postoperative ...
Yingchun Li   +14 more
wiley   +1 more source

On-Demand Energy Provisioning Scheme in Large-Scale WRSNs: Survey, Opportunities, and Challenges

open access: yesEnergies
Wireless rechargeable sensor networks (WRSNs) have emerged as a critical infrastructure for monitoring and collecting data in large-scale and dynamic environments. The energy autonomy of sensor nodes is crucial for the sustained operation of WRSNs.
Gerald K. Ijemaru   +5 more
doaj   +1 more source

Joint Power Control and Routing for Rechargeable Wireless Sensor Networks

open access: yesIEEE Access, 2019
Wireless sensor networks (WSN) that are powered by energy harvested from the environment, also known as rechargeable WSNs, typically experience wide variations of energy availability across the network.
Amitangshu Pal, Asis Nasipuri
doaj   +1 more source

Structural design and 3D printing of flexible integrated electronic systems

open access: yesFlexMat, EarlyView.
This review provides a comprehensive overview of design and integration strategies for individual components in flexible electronics, highlights the 3D‐printing fabrication techniques, and discusses recent advances in system‐level integration and their applications in real‐time monitoring and intelligent robotics.
Jiani Gong   +8 more
wiley   +1 more source

A new power MEMS component with variable capacitance [PDF]

open access: yes, 2003
Autonomous devices such as wireless sensors and sensor networks need a long battery lifetime in a small volume. Incorporating micro-power generators based on ambient energy increases the lifetime of these systems while reducing the volume.
Baert, K   +4 more
core   +1 more source

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