Results 1 to 10 of about 91,824,995 (174)

Fuzzy-Logic-Based Mean Time to Failure (MTTF) Analysis of Interleaved Dc-Dc Converters Equipped with Redundant-Switch Configuration [PDF]

open access: yesApplied Sciences, 2018
Interleaved dc-dc converters in sensitive applications necessitate an enhanced reliability. An interleaved converter equipped with redundant components can fulfill the reliability requirements.
Tohid Rahimi   +4 more
doaj   +5 more sources

Reliability Assessment of On-Wafer AlGaN/GaN HEMTs: The Impact of Electric Field Stress on the Mean Time to Failure [PDF]

open access: yesMicromachines, 2023
We present the mean time to failure (MTTF) of on-wafer AlGaN/GaN HEMTs under two distinct electric field stress conditions. The channel temperature (Tch) of the devices exhibits variability contingent upon the stress voltage and power dissipation ...
Surajit Chakraborty, Tae-Woo Kim
doaj   +3 more sources

Reliability Testing of Wind Farm Devices Based on the Mean Time to Failures

open access: yesEnergies, 2023
Nowadays, one of the main sources of renewable energy is wind energy; therefore, a wind farm’s electricity system must be effective. As a result, wind farm (WF) equipment must continuously operate without failure or damage.
Stanisław Duer   +6 more
doaj   +4 more sources

Implementation of the Mean Time to Failure Indicator in the Control of the Logistical Support of the Operation Process

open access: yesApplied Sciences, 2023
The focus of this paper is to identify a method for defining the needs of logistical operational support based on the mean time to failure (MTTF) factor. The research was based on a helicopter intended for flight training. The MTTF indicator for selected
Andrzej Żyluk   +5 more
doaj   +4 more sources

A single-phase seven-level switched capacitor with common ground inverter and improved phase-shift modulation technique [PDF]

open access: yesScientific Reports
Lately, transformer-less Researchers in the fields of power electronics and renewable energy have taken notice of photovoltaic inverters because of their great efficiency, low cost, and small size.
Bisma Saif   +4 more
doaj   +2 more sources

Performance Analysis of Photovoltaic Systems Using (RAMD) Analysis

open access: yesJournal of Nigerian Society of Physical Sciences, 2021
The primary aim of this present study is to examine how reliability, availability, maintainability, and dependability (RAMD) are used to describe the criticality of each sub-assembly in grid- connected photovoltaic systems.
Anas Sani Maihulla, Ibrahim Yusuf
doaj   +1 more source

An Approach for Predictive Maintenance Decisions for Components of an Industrial Multistage Machine That Fail before Their MTTF: A Case Study

open access: yesSystems, 2022
Making the correct maintenance strategy decision for industrial multistage machines (MSTM) is a constant challenge for industrial manufacturers. Preventive maintenance strategies are the most popular and provide interesting results but cannot prevent ...
Francisco Javier Álvarez García   +1 more
doaj   +1 more source

Evaluating the system reliability of the bridge structure using the unit half-logistic geometric distribution

open access: yesScientific African, 2023
The concept of reliability has gained widespread use in various fields, including manufacturing. This paper examines a system consisting of five components, including a bridge network component.
Hanan Baaqeel   +3 more
doaj   +1 more source

Time dependent performance analysis of a Smart Trash bin using state-based Markov model and Reliability approach

open access: yesCleaner Logistics and Supply Chain, 2023
In this paper, the authors have developed a quantitative mathematical model to assess the performance of a smart trash bin. This model takes into account six hardware components of the trash bin, including Arduino Uno, ultrasonic sensor, servo motor ...
Pardeep Kumar, Amit Kumar
doaj   +1 more source

Reliability-Based Analysis of Main Propulsion Fuel Oil System Maintenance for Tugboats with Qualitative and Quantitative Methods

open access: yesKapal, 2023
This study aims to analyze the maintenance of the main propulsion fuel oil system for tugboats using both qualitative and quantitative methods. The focus is on evaluating the reliability of the system and identifying potential areas for improvement.
Imam Pujo Pujo Mulyatno   +3 more
doaj   +1 more source

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