Results 11 to 20 of about 694,484 (263)

Reliability Evaluation Method of Multi-Voltage Levels Distribution System Considering the Influence of Sense-Control Terminal Faults

open access: yesApplied Sciences, 2023
With the existing reliability evaluation methods, it is difficult to realize the overall evaluation of multi-voltage levels distribution systems, and sense-control terminal faults are not considered in the process of reliability evaluation.
Jing Zuo   +5 more
doaj   +1 more source

Optimal Reliability Study of Grid-Connected PV Systems Using Evolutionary Computing Techniques

open access: yesIEEE Access, 2021
Integrating renewable energy sources (RESs) into electrical power systems has gotten highly noticeable among researchers and those interested in electrical energy production due to the increase in energy demands, fossil fuel exhaustion, and ecological ...
Aiman Abd Elkader Tawfiq   +4 more
doaj   +1 more source

Charging Load Prediction and Distribution Network Reliability Evaluation Considering Electric Vehicles’ Spatial-Temporal Transfer Randomness

open access: yesIEEE Access, 2020
Integration of large-scale cluster electric vehicles (EVs) and their spatial-temporal transfer randomness are likely to affect the safety and economic operation of the distribution network.
Shan Cheng   +4 more
doaj   +1 more source

Reliability Modeling and Analysis of Generalized Majority Systems by Stochastic Computation

open access: yesIEEE Access, 2020
The k-out-of-n: G(F) majority voter consists of n components (or modules) and a number of the components are required to be operating correctly for the overall system to be correct.
Ning Wang   +3 more
doaj   +1 more source

Hierarchical Control Strategy for Active Hydropneumatic Suspension Vehicles Based on Genetic Algorithms

open access: yesAdvances in Mechanical Engineering, 2015
A new hierarchical control strategy for active hydropneumatic suspension systems is proposed. This strategy considers the dynamic characteristics of the actuator.
Jinzhi Feng   +4 more
doaj   +1 more source

Operational reliability evaluation of power system considering meteorological impacts

open access: yes电力工程技术, 2023
Meteorological factors have an impact on the operating temperature of line, and the operating temperature of line is closely related to line impedance and fault outage rate.
CHEN Fan   +4 more
doaj   +1 more source

An Efficient Library for Reliability Block Diagram Evaluation

open access: yesApplied Sciences, 2021
Reliability Block Diagrams (RBDs) are widely used in reliability engineering to model how the system reliability depends on the reliability of components or subsystems. In this paper, we present librbd, a C library providing a generic, efficient and open-
Laura Carnevali   +4 more
doaj   +1 more source

An Efficient Method for the Reliability Evaluation of Power Systems Considering the Variable Photovoltaic Power Output

open access: yesApplied Sciences, 2023
The operational reliability of power systems is threatened by the random failure of components and uncertain power output of renewable energies, such as photovoltaics.
Haojie He   +4 more
doaj   +1 more source

Construction and Simulation of Failure Distribution Model for Cycloidal Gears Grinding Machine

open access: yesIEEE Access, 2022
To increase reliability, reduce machine tool failure, and shorten maintenance time, serval failure distribution models are discussed based on the cycloidal gears form grinding.
Chuang Jiang   +3 more
doaj   +1 more source

The reliability of student evaluations of teaching

open access: yesAssessment & Evaluation in Higher Education, 2023
Background: Student evaluations of teaching are regularly used within college classrooms to gauge effectiveness of instruction, provide evidence for administrative decision making, and inform instructors of course feedback. Teaching evaluations are thought to be a reliable measure, but few studies have explored their reliability over time.
Erin Michelle Buchanan   +2 more
openaire   +1 more source

Home - About - Disclaimer - Privacy