Results 21 to 30 of about 118,135 (200)

Numerical modeling of shape and topology optimisation of a piezoelectric cantilever beam in an energy-harvesting sensor [PDF]

open access: yes, 2016
Piezoelectric materials are excellent transducers for converting mechanical energy from the environment for use as electrical energy. The conversion of mechanical energy to electrical energy is a key component in the development of self-powered devices ...
Liu, Jing-Sheng, Thein, Chung Ket
core   +1 more source

Impedance Analysis and Optimization of Self-Powered Interface Circuit for Wireless Sensor Nodes Application

open access: yesShock and Vibration, 2018
Energy harvesting for self-powered wireless sensor networks (WSNs) is increasingly needed. In this paper, a self-powered WSN node scenario is proposed and realized by coupling the electric charge extraction interface circuit, power management module, and
Yuan Dong   +5 more
doaj   +1 more source

Recent Progress in Self-Powered Sensors Based on Triboelectric Nanogenerators

open access: yesSensors, 2021
The emergence of the Internet of Things (IoT) has subverted people’s lives, causing the rapid development of sensor technologies. However, traditional sensor energy sources, like batteries, suffer from the pollution problem and the limited lifetime for ...
Junpeng Wu, Yang Zheng, Xiaoyi Li
doaj   +1 more source

Triboelectric effect based instantaneous self-powered wireless sensing with self-determined identity [PDF]

open access: yes, 2018
Sensors are the foundation of modern Internet of Things, artificial intelligent, smart manufacturing etc, but most of them require power to operate without spontaneous unique identifiable function.
Chen, Jinkai   +10 more
core   +2 more sources

Social issues of power harvesting as key enables of WSN in pervasive computing [PDF]

open access: yes, 2012
Pervasive systems have gained popularity and open the door to new applications that will improve the quality of life of the users. Additionally, the implementation of such systems over an infrastructure of Wireless Sensor Networks has been proven to be ...
Berzosa, J.   +3 more
core   +1 more source

Wireless sensors and IoT platform for intelligent HVAC control [PDF]

open access: yes, 2018
Energy consumption of buildings (residential and non-residential) represents approximately 40% of total world electricity consumption, with half of this energy consumed by HVAC systems.
Duarte, Hélder   +3 more
core   +2 more sources

Application of piezoelectric self powered wireless sensor in CCAL vibration environment monitoring

open access: yesResults in Engineering, 2023
With the growth of the economy and social progress, people's requirements for mechanical equipment are becoming higher and higher, and the complexity of mechanical equipment is also increasing.
Hongliang Zou
doaj   +1 more source

Calliopsis structure-based triboelectric nanogenerator for harvesting wind energy and self-powerd wind speed/direction sensor

open access: yesMaterials & Design, 2022
Triboelectric nanogenerators (TENGs) can harvest various forms of mechanical energy from the surrounding environment and convert them into electrical energy efficiently. Harvesting wind energy from the environment by TENG could be an ideal way to achieve
Chenghan Zhao   +5 more
doaj   +1 more source

A robot hand testbed designed for enhancing embodiment and functional neurorehabilitation of body schema in subjects with upper limb impairment or loss. [PDF]

open access: yes, 2015
Many upper limb amputees experience an incessant, post-amputation "phantom limb pain" and report that their missing limbs feel paralyzed in an uncomfortable posture.
Eric eChang   +5 more
core   +2 more sources

Experimental Study of Macro Fiber Composite-Magnet Energy Harvester for Self-Powered Active Magnetic Bearing Rotor Vibration Sensor

open access: yesEnergies, 2020
The paper presents the design, fabrication, and characterization of an energy harvester for an active magnetic bearing (AMB) rotor vibration using a macro fiber composite (MFC) with magnetic coupling.
Arkadiusz Mystkowski   +1 more
doaj   +1 more source

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