Results 21 to 30 of about 2,878,509 (264)

DETEKSI CACAT BANTALAN GELINDING BERBASIS ALGORITMA DECISION TREES DAN PARAMETER STATISTIK

open access: yesRekayasa Mesin, 2023
Rolling bearings are a common machine element found in rotary machines. The components in the rolling bearing such as the inner race, outer race, rolling element, and cage are the parts that are often damaged.
Berli Paripurna Kamiel   +2 more
doaj   +1 more source

Time and the domain of consciousness [PDF]

open access: yesAnnals of the New York Academy of Sciences, 2014
It is often thought that there is little that seems more obvious from experience than that time objectively passes, and that time is, in this respect, quite unlike space. Yet nothing in the physical picture of the world seems to correspond to the idea of such an objective passage of time.
openaire   +2 more sources

A Method for Signal Change Detection via Short-Time Conditional Local Peaks Rate Feature [PDF]

open access: yesJournal of Electrical and Electronics Engineering, 2022
In this paper, we present a method for signal change/event/anomaly detection based on a novel time-domain feature termed “conditional local peaks rate” (CLPR). First, the CLPR feature is described and further the method is introduced based on it.
ZHIVOMIROV Hristo, KOSTOV Nikolay
doaj  

STUDI KASUS IDENTIFIKASI KERUSAKKAN MESIN BERDASARKAN SINYAL GETARAN

open access: yesRekayasa Mesin, 2022
The machine maintenance strategy is very important in manufacturing, mining, and other industries so an appropriate maintenance strategy is needed based on industrial operating conditions.
Ramses Yohannes Hutahaean   +1 more
doaj   +1 more source

Color-selective photodetection from intermediate colloidal quantum dots buried in amorphous-oxide semiconductors

open access: yesNature Communications, 2017
The development of highly sensitive photodetectors is important for image sensing and optical communication applications. Cho et al., report ultra-sensitive photodetectors based on monolayered quantum dots buried in between amorphous-oxide semiconductors
Kyung-Sang Cho   +6 more
doaj   +1 more source

Room Acoustic Simulation Using Finite Difference Time Domain Method [PDF]

open access: yesمجله مدل سازی در مهندسی, 2015
The growing use of industrial machinery, household appliances and etc, has increased undesirable noises. Thus, the need to control and reduce the undesirable noises in a closed space has caused a lot of interest in recent years.
mahdi nili ahmad abadi   +2 more
doaj   +1 more source

Application of Feature Extraction and Artificial Intelligence Techniques for Increasing the Accuracy of X-ray Radiation Based Two Phase Flow Meter

open access: yesMathematics, 2021
The increasing consumption of fossil fuel resources in the world has placed emphasis on flow measurements in the oil industry. This has generated a growing niche in the flowmeter industry. In this regard, in this study, an artificial neural network (ANN)
Abdulrahman Basahel   +3 more
doaj   +1 more source

Time-Dependent Numerical Modelling of Acoustic Cavitation in Liquid Metal Driven by Electromagnetic Induction

open access: yesFluids, 2023
The numerically simulated method of using electromagnetic field from an alternating current is a patented method to create in liquid metal, under the conditions of resonance, acoustic waves of sufficient strength to cause cavitation and implosion of gas ...
Georgi Djambazov
doaj   +1 more source

A Methodology for Calculating the R-L Parameters of a Nonlinear Hysteretic Inductor Model in the Time Domain

open access: yesEnergies, 2023
The aim of this paper is to present a methodology for the calculation of the R-L parameters of a model of a nonlinear hysteretic inductor. The methodology is based on the analysis of the instantaneous magnetising power calculated from the hysteresis loop
Srđan Divac   +5 more
doaj   +1 more source

Anomaly Detection Method in Railway Using Signal Processing and Deep Learning

open access: yesApplied Sciences, 2022
In this paper, anomaly detection of wheel flats based on signal processing and deep learning techniques is analyzed. Wheel flats mostly affect running stability and ride comfort.
Jaeseok Shim   +3 more
doaj   +1 more source

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