Results 11 to 20 of about 39,799 (70)

The Generalized Exponential Extended Exponentiated Family of Distributions: Theory, Properties, and Applications

open access: yesMathematics, 2022
Here, we propose a new generalized exponential extended exponentiated (NGE3) family of distributions. Some statistical properties of proposed family are gained.
Sajid Hussain   +3 more
doaj   +1 more source

Failure rate of labor epidural: An observational study among different levels of trainee anesthesiologists in a university hospital of a developing country

open access: yesJournal of Anaesthesiology Clinical Pharmacology, 2021
Context: Frequent use of labor epidural has also led to a corresponding increase in failed epidural analgesia (FEA). Aims: This study aims to identify the overall rate of FEA and evaluate its association with trainee anesthesiologist at different years ...
Samina Ismail   +3 more
doaj   +1 more source

Feasibility study on lengthening the high-voltage cable section and reducing the number of cable joints via alternative bonding methods

open access: yesHigh Voltage, 2019
Among all failures in cable circuits, the failure rate of cable joints is much higher than that in cable bodies. In an effort to reduce cable failure rates and improve the reliability of power cable systems, this article studies the possibility of ...
Mingzhen Li   +7 more
doaj   +1 more source

Comparing orthodontic bracket bonding methods based on bracket failure rates

open access: yesFogorvosi Szemle, 2020
During modern orthodontic treatment brackets are usually placed directly on the tooth enamel. The bond has to withstand a variety of forces (occlusial, masticatory, as well as forces from the wire itself) in the moist oral environment. Additionally, it’s
Eszter Svidró   +2 more
doaj   +1 more source

An Innovative Reliability Oriented Approach for Restructured Power System Considering the Impact of Integrating Electric Vehicles and Renewable Energy Resources

open access: yesIEEE Access, 2022
Attributing to the irreplaceable quality of nil carbon footprints, the power system considering the integration of electric vehicles and renewable energy resources are appealing growing attention in the recent time, but the reliability of their ...
Iram Akhtar   +3 more
doaj   +1 more source

Selected Aspects of Analyses of Failure Rates of Active Safety Systems in Buses

open access: yesCommunications, 2014
The article outlines the methodology of statistical analysis of failure rate of active safety systems in buses. The theoretical discussion is illustrated with calculations carried out on the basis of empirical data covering a four-year period of ...
Pawel Drozdziel   +3 more
doaj   +1 more source

A New Family of Extended Lindley Models: Properties, Estimation and Applications

open access: yesMathematics, 2020
There are many proposed life models in the literature, based on Lindley distribution. In this paper, a unified approach is used to derive a general form for these life models.
Abdulrahman Abouammoh, Mohamed Kayid
doaj   +1 more source

Comparison of maintenance scheme effects on power transformer reliability performance

open access: yesIngeniería e Investigación, 2015
Power transformer failures have a significant impact on electrical systems reliability, as they compromise the electricity delivery. Failures impact the operational cost of electric utilities as they endanger the accomplishment of power commitments ...
Ivan Camilo Duran Tovar   +3 more
doaj   +1 more source

Systematic Effectiveness Assessment Methodology for Fault Current Indicators Deployed in Distribution Systems

open access: yesEnergies, 2018
Fault Current Indicators (FCIs) with communication interfaces have been widely used in distribution systems to reduce fault-finding time. The effectiveness of a Fault Management System (FMS) composed of FCIs greatly depends on the performance of the ...
Jen-Hao Teng   +4 more
doaj   +1 more source

An Efficient Implementation of Fixed Failure-Rate Ratio Test for GNSS Ambiguity Resolution

open access: yesSensors, 2016
Ambiguity Resolution (AR) plays a vital role in precise GNSS positioning. Correctly-fixed integer ambiguities can significantly improve the positioning solution, while incorrectly-fixed integer ambiguities can bring large positioning errors and ...
Yanqing Hou, Sandra Verhagen, Jie Wu
doaj   +1 more source

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