Results 41 to 50 of about 4,639 (235)

Power Converter's IGBT Multi‐State Reliability Analysis for Low Failure Rate Operation

open access: yesIET Power Electronics, Volume 19, Issue 1, January/December 2026.
This paper proposes a multi‐state reliability analysis for IGBTs in power converters, moving beyond the conventional two‐stage model with a constant failure rate and introduces a multi‐state Markov chain model for voltage source converters under different modulation scenarios.
Qiaohan Su   +3 more
wiley   +1 more source

Effects of mTTF knockdown in S2 cells.

open access: yes, 2013
A. Mitochondrial transcript levels after 3-RT-PCR. Means ± SD, normalized to values for the cells treated with the inert control dsRNA against GFP. B. mtDNA copy number changes measured by qPCR, following treatment with dsRNA against GFP, mTTF and mock ...
Priit Jõers (105428)   +6 more
core   +1 more source

Role of individual component failure in the performance of a 1-out-of-3 cold standby system: A Markov model approach

open access: yesOpen Engineering
The current work assesses the availability and reliability of repairable 1-out-of-3 cold standby systems, undergoing switching failure, by the Markov models, where a finite set of differential equations govern the repairable system.
Hindi Layla, Asker Hussein K.
doaj   +1 more source

Resilient Energy and Flexibility Scheduling in Interconnected Local Energy Networks via AI‐Enabled Cyber‐Integrity Enhancement

open access: yesIET Smart Grid, Volume 9, Issue 1, January/December 2026.
This paper presents an AI‐enabled framework for resilient energy and flexibility scheduling in interconnected local energy networks (ILENs). By introducing a Cyber‐Connectivity Index and employing an XGBoost‐based algorithm for real‐time data correction, the model enhances operational efficiency and data integrity under cyber threats.
Ali Yazhari Kermani   +2 more
wiley   +1 more source

Effects of the failure rate of processor module on MTTF in the two schemes.

open access: yes, 2014
Effects of the failure rate of processor module on MTTF in the two schemes.
Baoping Cai (653985)   +2 more
core   +1 more source

Reliability Measures of Two Dissimilar Units Parallel System Using Gumbel-Hougaard Family Copula [PDF]

open access: yesInternational Journal of Mathematical, Engineering and Management Sciences, 2019
The goal of the present study is to investigate the availability and the reliability of the system, which has two dissimilar units in the parallel network under copula.
Garima Chopra, Mangey Ram
doaj   +1 more source

Availability, MTTF and Cost analysis of complex system under Preemptive resume repair policy using copula distribution

open access: yes, 2014
In the present paper authors have focused  on the study of complex system consisting two subsystems, in series configuration and handling by a human operator.
V. V. Singh, D. K. Rawal
semanticscholar   +1 more source

Reliability Evaluation and Thermal‐Performance Based Review of Isolated Multiport Converters for EV Application

open access: yesInternational Journal of Energy Research, Volume 2026, Issue 1, 2026.
The upswing in electric vehicle (EV) demand has underscored the necessity for readily available charging infrastructure, further catalyzing the need for efficient power control mechanisms. Consequently, there is a persistent demand for reliable, compact, efficient, and lightweight power converters to support this infrastructure.
Zarren Firdous   +5 more
wiley   +1 more source

Effects of the failure rate of control panel on MTTF in the two schemes.

open access: yes, 2014
Effects of the failure rate of control panel on MTTF in the two schemes.
Baoping Cai (653985)   +2 more
core   +1 more source

Life Cycle Cost Methodology for Mixers based on MTTF Life Cycle Cost Model [PDF]

open access: yes, 2020
: Most of the manufacture and mixer users have confusion about selecting the life cycle cost model or life cycle costing of mixers. This paper presents the life cycle costing of mixers based on the MTTF life cycle cost model from the various life cycle ...
Vishal D Jadhav   +3 more
core  

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