Results 31 to 40 of about 119,054 (301)

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

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

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

A Self-Powered Flexible Displacement Sensor Based on Triboelectric Effect for Linear Feed System

open access: yesNanomaterials, 2023
The detection and feedback of displacement and velocity significantly impact the control accuracy of the linear feed system. In this study, we propose a flexible and self-powered displacement sensor based on the triboelectric effect, designed for ...
Tingting Zhao   +9 more
doaj   +1 more source

Integrated Strategy toward Self-Powering and Selectivity Tuning of Semiconductor Gas Sensors [PDF]

open access: yes, 2016
Inorganic conductometric gas sensors struggle to overcome limitations in high power consumption and poor selectivi-ty. Herein, recent advances in developing self-powered gas sensors with tunable selectivity are introduced.
Caccamo, Lorenzo   +11 more
core   +1 more source

Supercapacitor leakage in energy-harvesting sensor nodes: fact or fiction? [PDF]

open access: yes, 2012
As interest in energy-harvesting sensor nodes continues to grow, the use of supercapacitors as energy stores or buffers is gaining popularity. The reasons for their use are numerous, and include their high power density, simple interfacing requirements ...
Merrett, Geoff V., Weddell, Alex S.
core   +1 more source

Graphene-Doped Thermoplastic Polyurethane Nanocomposite Film-Based Triboelectric Nanogenerator for Self-Powered Sport Sensor

open access: yesNanomaterials
Triboelectric nanogenerators (TENGs), as novel electronic devices for converting mechanical energy into electrical energy, are better suited as signal-testing sensors or as components within larger wearable Internet of Things (IoT) or Artificial ...
Shujie Yang   +5 more
doaj   +1 more source

A Self-Powered Six-Axis Tactile Sensor by Using Triboelectric Mechanism

open access: yesNanomaterials, 2018
Triboelectric nanogenerators (TENGs) are highly promising because they can scavenge energy from their working environment to sustainably power wearable/mobile electronics.
Tao Chen   +6 more
doaj   +1 more source

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