Results 11 to 20 of about 59,084 (261)

Perovskite Piezoelectric-Based Flexible Energy Harvesters for Self-Powered Implantable and Wearable IoT Devices

open access: yesSensors, 2022
In the ongoing fourth industrial revolution, the internet of things (IoT) will play a crucial role in collecting and analyzing information related to human healthcare, public safety, environmental monitoring and home/industrial automation.
Srinivas Pattipaka   +4 more
doaj   +1 more source

Lifetime Comparisons of Organic Light-Emitting Diodes Fabricated by Solution and Evaporation Processes

open access: yesMicromachines, 2023
In this paper, a blue fluorescent organic light-emitting diode (OLED) with a 1 cm2 emitting area was fabricated by a solution process. The ITO/spin MADN:13% UBD-07/TPBi/Al was used as the basic structure in which to add a hole-injection layer PEDOT:PSS ...
Kuo-Chun Huang   +4 more
doaj   +1 more source

Luminance Compensation and Optimization to Delay OLED Degradation Based on Equivalent Lifetime Detection

open access: yesIEEE Journal of the Electron Devices Society, 2020
In this paper, luminance compensation and optimization without internal or external sensing circuits to delay OLED degradation based on equivalent lifetime detection is proposed. The proposed method can estimate the dynamic luminance degradation with the
Rui Fan, Xiaoning Zhang, Zhentao Tu
doaj   +1 more source

Data Prediction Based Encoder-Decoder Learning in Wireless Sensor Networks

open access: yesIEEE Access, 2022
Wireless sensor networks are typically characterized by large network size and sensor nodes with low energy capacity and a limited bandwidth for data transmission. Over-activity of the sensor nodes will therefore cause many issues to the network, such as
Arouna Ndam Njoya   +7 more
doaj   +1 more source

Analysis of existing thermal-hydraulic analysis methodologies in the framework of resource extension of reactor pressure vessels

open access: yesTrudy Odesskogo Politehničeskogo Universiteta, 2018
At the moment, Ukraine and a number of other countries are implementing a program to extend the operation of nuclear power plants beyond the design period.
Олександр Сергійович Мазурок   +1 more
doaj   +5 more sources

Smart Battery Technology for Lifetime Improvement

open access: yesBatteries, 2022
Applications of lithium-ion batteries are widespread, ranging from electric vehicles to energy storage systems. In spite of nearly meeting the target in terms of energy density and cost, enhanced safety, lifetime, and second-life applications, there ...
Remus Teodorescu   +5 more
doaj   +1 more source

Lifetime Extension Method for Three-Phase Voltage Source Converters Using Discontinuous PWM Scheme with Hybrid Offset Voltage

open access: yesMachines, 2023
This paper proposes a lifespan extension technique for three-phase voltage inverters using hybrid offset voltage. The proposed method lengthens the inverter lifetime by independently adjusting the switching frequency of the three phases in accordance ...
Jaechang Kim   +3 more
doaj   +1 more source

A Traffic-Load-Based Algorithm for Wireless Sensor Networks’ Lifetime Extension

open access: yesInformation, 2022
It has been shown in the literature that the lifetime of a wireless sensor network is heavily connected to the number of transmissions that network nodes have to undertake. Considering this finding, along with the effects of the energy hole problem where
Georgios Tsoumanis   +7 more
doaj   +1 more source

Improved Visual Inspection of Advanced Gas-Cooled Reactor Fuel Channels

open access: yesInternational Journal of Prognostics and Health Management, 2015
Visual inspection of fuel channels is important for assessing the health of the UK’s fleet of Advanced Gas-Cooled Reactor (AGR) power plants. For each fuel channel inspected, any defects found must be classified and assessed by a panel of experts and ...
Graeme West   +3 more
doaj   +1 more source

Consumer-oriented interventions to extend smartphones’ service lifetime

open access: yesCleaner and Responsible Consumption, 2022
A promising strategy to reduce smartphones' environmental footprint is to increase their service lifetime, thereby reducing the demand for resource-intensive production of new devices.
Jan C.T. Bieser   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy