Results 41 to 50 of about 13,304,170 (233)

A New Complete Condition Monitoring Method for SiC Power MOSFETs

open access: yesIEEE transactions on industrial electronics (1982. Print), 2021
This article proposes a new complete condition monitoring method which can independently monitor both the threshold voltage drift and the packaging degradation accurately by monitoring only the reverse body diode voltage drop at different gate bias ...
Enes Ugur   +4 more
semanticscholar   +1 more source

An Improved Analysis Method for Organic Rankine Cycles Based on Radial-Inflow Turbine Efficiency Prediction

open access: yesApplied Sciences, 2018
The organic Rankine cycle (ORC) has been demonstrated to be an effective method for converting low-grade heat energy into electricity. This paper proposes an improved analysis method for the ORC system.
Peng Li   +5 more
doaj   +1 more source

Estimation of the Filling Distribution and Height Levels Inside an Insulated Pressure Vessel by Guided Elastic Wave Attenuation Tomography

open access: yesSensors, 2020
The operation efficiency and safety of pressure vessels in the oil and gas industry profits from an accurate knowledge about the inner filling distribution.
Robert Neubeck   +6 more
doaj   +1 more source

A Condition Monitoring and Fault Isolation System for Wind Turbine Based on SCADA Data

open access: yesIEEE Transactions on Industrial Informatics, 2021
Condition monitoring of the wind turbine based on supervisory control and data acquisition (SCADA) data has attracted much attention in recent years. Nevertheless, there are some inherent challenges in SCADA data analysis, including the low sampling rate,
Xing-Chen Liu, Juan Du, Zhi-Sheng Ye
semanticscholar   +1 more source

An In-Depth Study of Vibration Sensors for Condition Monitoring

open access: yesItalian National Conference on Sensors
Heavy machinery allows for the efficient, precise, and safe management of large-scale operations that are beyond the abilities of humans. Heavy machinery breakdowns or failures lead to unexpected downtime, increasing maintenance costs, project delays ...
Ietezaz Ul Hassan   +2 more
semanticscholar   +1 more source

A Review of the Intelligent Condition Monitoring of Rolling Element Bearings

open access: yesMachines
Bearing component damage contributes significantly to rotating machinery failures. It is vital for the rotor-bearing system to be in good condition to ensure the proper functioning of the machine.
V. Kannan, Tieling Zhang, Huai-Zhong Li
semanticscholar   +1 more source

Magnetic Flux Analysis for the Condition Monitoring of Electric Machines: A Review

open access: yesIEEE Transactions on Industrial Informatics, 2021
Magnetic flux analysis is a condition monitoring technique that is drawing the interest of many researchers and motor manufacturers. The great enhancements and reduction in the costs and dimensions of the required sensors, the development of advanced ...
I. Zamudio-Ramírez   +4 more
semanticscholar   +1 more source

Acoustic Emission Monitoring of Fatigue Crack Growth in Mooring Chains

open access: yesApplied Sciences, 2019
Offshore installations are subject to perpetual fatigue loading and are usually very hard to inspect. Close visual inspection from the turret is usually too hazardous for divers and is not possible with remotely operated vehicles (ROVs) because of the ...
Ángela Angulo   +5 more
doaj   +1 more source

Modelling and experimental study of laser-assisted milling of fibre reinforced SiC/Ti-6Al-4V metal matrix composite

open access: yesMaterials & Design
Metal matrix composites (MMCs) offer unique advantageous mechanical properties by strengthening a ductile metal matrix with a ceramic reinforcement (e.g., Ti6Al-4 V/SiCf).
Omkar Mypati   +5 more
doaj   +1 more source

Numerical simulation study of novel air-cooled condenser with lateral air supply

open access: yesCase Studies in Thermal Engineering, 2019
Uneven distribution of internal temperature and air flow field are considered to be the essential defects of the Λ-frame air-cooled condenser (ΛACC) in a power plant.
Yu Zhou   +3 more
doaj   +1 more source

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