Results 21 to 30 of about 52,653 (304)

Development of an On-board Failure Diagnostics and Prognostics System for Solid Rocket Booster [PDF]

open access: yes, 2008
We develop a case breach model for the on-board fault diagnostics and prognostics system for subscale solid-rocket boosters (SRBs). The model development was motivated by recent ground firing tests, in which a deviation of measured time-traces from the ...
Luchinsky, Dmitry G.   +4 more
core   +3 more sources

Fault diagnostics in an inverter feeding an induction motor using fuzzy logic

open access: yesJournal of Electrical Systems and Information Technology, 2017
This paper presents a fault diagnostics system for a three-phase voltage source inverter. The system is developed as a rule-based fuzzy logic system for fault cases of the inverter power semiconductor switches.
Faeka Khater   +2 more
doaj   +1 more source

Efficacy Study of Fault Trending Algorithm to Prevent Fault Occurrence on Automatic Trampoline Webbing Machine

open access: yesApplied Sciences, 2022
Nowadays, fault diagnostics is widely applied under Industry 4.0 to reduce machine maintenance costs, improve productivity, and increase machine availability. However, fault diagnostics are mostly post-mortem.
Shi Feng, John P. T. Mo
doaj   +1 more source

Improving root cause analysis through the integration of PLM systems with cross supply chain maintenance data [PDF]

open access: yes, 2015
The purpose of this paper is to demonstrate a system architecture for integrating Product Lifecycle Management (PLM) systems with cross supply chain maintenance information to support root-cause analysis. By integrating product-data from PLM systems with
Broome, S   +4 more
core   +1 more source

On the Accuracy of Fault Diagnosis for Rolling Element Bearings Using Improved DFA and Multi-Sensor Data Fusion Method

open access: yesSensors, 2020
Rolling element bearings are widely employed in almost every rotating machine. The health status of bearings plays an important role in the reliability of rotating machines. This paper deals with the principle and application of an effective multi-sensor
Qiang Song, Sifang Zhao, Mingsheng Wang
doaj   +1 more source

Prony Method Estimation as a New Approach for Surge Comparison Testing in Turn Insulation Diagnostics for Three Phase Stator Windings

open access: yesMachines, 2023
This article presents an evaluation of Prony method estimation and its implementation considerations for surge comparison test application in turn insulation diagnostics for three-phase stator windings.
Luis Alonso Trujillo Guajardo   +5 more
doaj   +1 more source

Diagnostics of management and organisational systems

open access: yesAgricultural Economics (AGRICECON), 2006
The term "diagnostics" is normally used to refer to the process of identifying some incorrectly operating components in a particular system. The fault symptoms are, however, usually discovered in a different part of the system than that in which the ...
J. Hron
doaj   +1 more source

Knowledge Modeling in Troubleshooting

open access: yesИнженерные технологии и системы, 2021
Introduction. The article describes the approach to solving the problem of complex technical system troubleshooting based on expert knowledge modeling.
Valeriy P. Dimitrov   +2 more
doaj   +1 more source

A review of physics-based models in prognostics: application to gears and bearings of rotating machinery [PDF]

open access: yes, 2016
Health condition monitoring for rotating machinery has been developed for many years due to its potential to reduce the cost of the maintenance operations and increase availability.
Cubillo, Adrian   +2 more
core   +2 more sources

THE MODEL AND METHOD OF SCADA DIAGNOSTICS AS AN OBJECT WITH PARTIALLY DEFINED PARAMETERS [PDF]

open access: yes, 2017
Modern SCADA are widely spread all over the world to control technological processes in different industries such as power engineering, military, transport, etc.
Syrotkina, O   +1 more
core   +4 more sources

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