Articles with "energy entropy" as a keyword



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Fractional empirical mode decomposition energy entropy based on segmentation and its application to the electrocardiograph signal

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Published in 2018 at "Nonlinear Dynamics"

DOI: 10.1007/s11071-018-4448-y

Abstract: The generalized fractional entropy is a powerful tool for allowing an high sensitivity to the signal evolution, which is available to depict the dynamics of complex systems. Besides, empirical mode decomposition (EMD) energy entropy has… read more here.

Keywords: emd energy; based segmentation; energy entropy; entropy ... See more keywords
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Forest structure and composition drive differences in metabolic energy and entropy dynamics during temperature extremes in longleaf pine savannas

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Published in 2020 at "Agricultural and Forest Meteorology"

DOI: 10.1016/j.agrformet.2020.108252

Abstract: Abstract The southeastern US has experienced an increase in the number of extreme heat events since the 1970s, due in part to global change. Despite rising temperatures, greater variability in weather has also led to… read more here.

Keywords: entropy dynamics; temperature; energy; metabolic energy ... See more keywords
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An efficient kinetic Monte Carlo scheme for computing Helmholtz free energy and entropy in bulk fluids and adsorption systems

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Published in 2018 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2017.11.099

Abstract: Abstract We present an efficient kinetic Monte Carlo scheme to determine the Helmholtz free energy and entropy of bulk fluids and adsorption systems. The method is made possible because this technique enables the accurate determination… read more here.

Keywords: entropy bulk; entropy; helmholtz free; free energy ... See more keywords
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Fault diagnosis of rolling bearings based on improved energy entropy and fault location of triangulation of amplitude attenuation outer raceway

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Published in 2021 at "Measurement"

DOI: 10.1016/j.measurement.2021.109974

Abstract: Abstract As an important part of mechanical transmission parts, rolling bearings directly affect the operating efficiency of the machine. Therefore, the diagnosis of rolling bearing fault information is of great significance to the operation of… read more here.

Keywords: diagnosis; attenuation; fault; energy entropy ... See more keywords
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Energy–entropy competition and the effectiveness of stochastic gradient descent in machine learning

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Published in 2018 at "Molecular Physics"

DOI: 10.1080/00268976.2018.1483535

Abstract: ABSTRACT Finding parameters that minimise a loss function is at the core of many machine learning methods. The Stochastic Gradient Descent (SGD) algorithm is widely used and delivers state-of-the-art results for many problems. Nonetheless, SGD… read more here.

Keywords: machine learning; gradient descent; energy; physics ... See more keywords
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Bali's Ancient Rice Terraces: A Hamiltonian Approach.

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Published in 2021 at "Physical review letters"

DOI: 10.1103/physrevlett.127.168301

Abstract: We propose a Hamiltonian approach to reproduce the relevant elements of the centuries-old Subak irrigation system in Bali, showing a cluster-size distribution of rice-field patches that is a power-law with an exponent of ∼2. Besides… read more here.

Keywords: rice; entropy contributions; approach; hamiltonian approach ... See more keywords
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New Criterion of Converter Transformer Differential Protection Based on Wavelet Energy Entropy

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Published in 2019 at "IEEE Transactions on Power Delivery"

DOI: 10.1109/tpwrd.2019.2893431

Abstract: For converter transformer, current differential protection fails to operate in the case of internal fault occurs during dc bias or inrush current. Therefore, a new criterion is proposed in this paper to construct a new… read more here.

Keywords: energy entropy; differential protection; criterion; new criterion ... See more keywords
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Fault Diagnosis of Train Plug Door Based on a Hybrid Criterion for IMFs Selection and Fractional Wavelet Package Energy Entropy

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Published in 2019 at "IEEE Transactions on Vehicular Technology"

DOI: 10.1109/tvt.2019.2925903

Abstract: The train plug door is the only way for passengers getting on and off. Its failures will make train operation ineffective. Taking the developed digital signal processing technologies into consideration, a data-driven diagnosis method for… read more here.

Keywords: wavelet package; train; train plug; entropy ... See more keywords
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Energy, Entropy and Quantum Tunneling of Protons and Electrons in Brain Mitochondria: Relation to Mitochondrial Impairment in Aging-Related Human Brain Diseases and Therapeutic Measures

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Published in 2021 at "Biomedicines"

DOI: 10.3390/biomedicines9020225

Abstract: Adult human brains consume a disproportionate amount of energy substrates (2–3% of body weight; 20–25% of total glucose and oxygen). Adenosine triphosphate (ATP) is a universal energy currency in brains and is produced by oxidative… read more here.

Keywords: quantum tunneling; energy; etc oxphos; brain ... See more keywords
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Teager Energy Entropy Ratio of Wavelet Packet Transform and Its Application in Bearing Fault Diagnosis

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Published in 2018 at "Entropy"

DOI: 10.3390/e20050388

Abstract: Kurtogram can adaptively select the resonant frequency band, and then the characteristic fault frequency can be obtained by analyzing the selected band. However, the kurtogram is easily affected by random impulses and noise. In recent… read more here.

Keywords: frequency; teager energy; band; frequency band ... See more keywords
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Medical Image Authentication Method Based on the Wavelet Packet and Energy Entropy

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Published in 2022 at "Entropy"

DOI: 10.3390/e24060798

Abstract: The transmission of digital medical information is affected by data compression, noise, scaling, labeling, and other factors. At the same time, medical data may be illegally copied and maliciously tampered with without authorization. Therefore, the… read more here.

Keywords: authentication; information; energy; method ... See more keywords