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Artykuły w czasopismach na temat „Estimation du flux de passagers”

Autor: Grafiati

Data publikacji: 28 września 2024

Data aktualizacji: 31 lipca 2025

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1

Li, H. Y., and W. M. Yan. "Inverse Convection Problem for Determining Wall Heat Flux in Annular Duct Flow." Journal of Heat Transfer 122, no. 3 (2000): 460–64. http://dx.doi.org/10.1115/1.1287169.

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An inverse problem for unsteady forced convection in an annular duct is presented. The simulated temperature data taken at the outer wall are used to estimate the time-dependent axially varying surface heat flux distribution at the inner wall of the annular passage. No prior information on the functional form of the unknown wall heat flux is needed in the inverse method. The effects of the functional form of the wall heat flux, the number of the measurement points, and the measurement errors on the accuracy of the estimation are investigated. It is shown that the reconstruction of the timewise

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2

Thapar, Vikram, and Fernando A. Escobedo. "Simultaneous estimation of free energies and rates using forward flux sampling and mean first passage times." Journal of Chemical Physics 143, no. 24 (2015): 244113. http://dx.doi.org/10.1063/1.4938248.

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Papadogianni, Vasiliki N., Alexandros Romeos, Athanasios Giannadakis, Konstantinos Perrakis, and Thrassos Panidis. "Fire Ignition and Propagation in Hidden Zones of Aircrafts: A Novel Confined Fire Apparatus (CFA) for Flame Spreading Investigation." Fire 6, no. 8 (2023): 292. http://dx.doi.org/10.3390/fire6080292.

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This research investigated potential fire hazards originating in hidden areas of pressurized sections of aircrafts. The objective was to establish a laboratory-scale flammability test method to predict the behavior of fire propagation under real fire conditions. A confined fire apparatus (CFA) was designed and constructed, and several tests were conducted to better understand the involved mechanisms and their consequences and to estimate flame spreading in hidden-zone fires. The experimental facility and flame-spreading results obtained for a typical material involved in hidden fires, specific

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4

Trentini, Anna, and Nicolas Malhene. "Maîtriser la coexistence des flux de passagers et de marchandises en milieu urbain." Revue Française de Gestion Industrielle 29, no. 2 (2010): 105–23. http://dx.doi.org/10.53102/2010.29.02.628.

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La mobilité urbaine regroupe à la fois la mobilité des personnes mais aussi la mobilité des biens. Aujourd'hui, l'intégration de la vision "passagers" dans la planification des transports ne fait aucun doute. Les marchandises, quand elles sont considérées, sont alors exprimées en tant que contraintes des flux passagers. Cet article propose un argumentaire mettant en avant les synergies de ces deux types de flux à priori antagonistes. Puis, la structure d'une procédure de planification de la mobilité est établie, son intérêt principal réside en la maîtrise de la coexistence des passagers/marcha

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5

Lin, Jingrou, Qingyang Sun, Yupeng Liu, et al. "Sea Surface pCO2 Response to Typhoon “Wind Pump” and Kuroshio Intrusion in the Northeastern South China Sea." Remote Sensing 16, no. 1 (2023): 123. http://dx.doi.org/10.3390/rs16010123.

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The Luzon Strait (LS) is a key region for estimating carbon sources and sinks in the South China Sea (SCS) and is highly influenced by the Kuroshio Current (KC) and typhoons. Understanding the variations in the sea surface partial pressure of carbon dioxide (pCO2-sw) under the combined effects of typhoons and KC in this region is crucial for estimating local and regional changes in ocean carbon flux. Based on valuable in situ pCO2-sw and remote sensing data, this study aimed to reveal the temporal variations and the physical mechanisms of pCO2-sw variations under the comprehensive effects of b

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6

Bhatt, Apoorva, Paweł Malecki, and Dariusz Góra. "Shore Shadow Effect in Baikal." Universe 8, no. 7 (2022): 347. http://dx.doi.org/10.3390/universe8070347.

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The measurement of the individual charged particles especially muons in an extended air shower (EAS) resulting from primary cosmic rays provides important distinguishing parameters to identify the chemical composition of the cosmic primary particles. For Neutrino Telescope experiments like Baikal-GVD, the estimation of underwater muon flux is of importance to study atmospheric muons. In this paper, a GEANT4-based simulation is presented to estimate the atmospheric muon flux underwater taking Baikal-GVD as an example. The location of the Baikal-GVD experiment at Lake Baikal provides a unique op

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7

Chen, Changsheng, R. C. Beardsley, Song Hu, Qichun Xu, and Huichan Lin. "Using MM5 to Hindcast the Ocean Surface Forcing Fields over the Gulf of Maine and Georges Bank Region*." Journal of Atmospheric and Oceanic Technology 22, no. 2 (2005): 131–45. http://dx.doi.org/10.1175/jtech-1682.1.

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Abstract The fifth-generation Pennsylvania State University–NCAR Mesoscale Model (MM5) is applied to the Gulf of Maine/Georges Bank (GoM/GB) region. This model is configured with two numerical domains with horizontal resolutions of 30 and 10 km, respectively, and driven by the NCAR-Eta weather model through a nested grid approach. Comparison of model-computed winds, wind stress, and heat flux with in situ data collected on moored meteorological buoys in the western GoM and over GB in 1995 shows that during the passage of atmospheric fronts over this region, MM5 provides a reasonable prediction

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8

Gutiérrez-Jiménez, Eugenio, Changsi Cai, Irene Klærke Mikkelsen, et al. "Effect of electrical forepaw stimulation on capillary transit-time heterogeneity (CTH)." Journal of Cerebral Blood Flow & Metabolism 36, no. 12 (2016): 2072–86. http://dx.doi.org/10.1177/0271678x16631560.

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Functional hyperemia reduces oxygen extraction efficacy unless counteracted by a reduction of capillary transit-time heterogeneity of blood. We adapted a bolus tracking approach to capillary transit-time heterogeneity estimation for two-photon microscopy and then quantified changes in plasma mean transit time and capillary transit-time heterogeneity during forepaw stimulation in anesthetized mice (C57BL/6NTac). In addition, we analyzed transit time coefficient of variance = capillary transit-time heterogeneity/mean transit time, which we expect to remain constant in passive, compliant microvas

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9

Stevenson, Ian H., Anil Cherian, Brian M. London, et al. "Statistical assessment of the stability of neural movement representations." Journal of Neurophysiology 106, no. 2 (2011): 764–74. http://dx.doi.org/10.1152/jn.00626.2010.

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In systems neuroscience, neural activity that represents movements or sensory stimuli is often characterized by spatial tuning curves that may change in response to training, attention, altered mechanics, or the passage of time. A vital step in determining whether tuning curves change is accounting for estimation uncertainty due to measurement noise. In this study, we address the issue of tuning curve stability using methods that take uncertainty directly into account. We analyze data recorded from neurons in primary motor cortex using chronically implanted, multielectrode arrays in four monke

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10

Villeneuve, Paul. "Le Québec et l’intégration continentale : un processus à plusieurs vitesses et à directions multiples." Cahiers de géographie du Québec 41, no. 114 (2005): 337–47. http://dx.doi.org/10.7202/022672ar.

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Les processus actuels d'intégration continentale en Amérique du Nord posent aux Québécois la question de leur appartenance territoriale. Historiquement, les géographes ont interprété la territorialité canadienne comme résultant des tensions entre deux champs d'interaction, l'un est-ouest, l'autre sud-nord. Selon la conjoncture, un des deux champs dominerait l'autre. L'article examine d'abord cette interprétation en explicitant la notion d'interaction spatiale. Ceci débouche sur une hypothèse empirique testée à l'aide de données préliminaires sur trois types d'interaction spatiale: les échanges

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11

Villeneuve, Paul. "Canada, Québec, and North American Continental Integration." Recherche 39, no. 2-3 (2005): 393–416. http://dx.doi.org/10.7202/057213ar.

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Une façon, maintenant classique, d'étudier l'évolution de la formation sociale canadienne consiste à voir celle-ci comme résultant de tensions entre deux champs d'interaction, l'un est-ouest, l'autre sud-nord. Depuis le milieu du XIX' siècle, la conjoncture géopolitique mondiale favorisa tantôt un champ, tantôt l'autre. Présentement, elle avantagerait surtout le développement des rapports sud-nord. Trois types d'interaction spatiale entre le Canada et les États-Unis sont considérés à la lumière de cette hypothèse générale. L'analyse de l'évolution des flux de marchandises, de passagers aériens

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12

MANOLAKIS, DIMITRIS, MICHAEL ROSSACCI, ERIN O'DONNELL, and FRANCIS M. D'AMICO. "SIGNAL PROCESSING ALGORITHMS FOR STARING SINGLE PIXEL HYPERSPECTRAL SENSORS." International Journal of High Speed Electronics and Systems 18, no. 03 (2008): 661–73. http://dx.doi.org/10.1142/s0129156408005655.

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Remote sensing of chemical warfare agents (CWA) with stand-off hyperspectral sensors has a wide range of civilian and military applications. These sensors exploit the spectral changes in the ambient photon flux produced thermal emission or absorption after passage through a region containing the CWA cloud. In this work we focus on (a) staring single-pixel sensors that sample their field of view at regular intervals of time to produce a time series of spectra and (b) scanning single or multiple pixel sensors that sample their FOV as they scan. The main objective of signal processing algorithms

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13

Théry, Hervé, Daniel Dory, and Thiago Oliveira Neto. "Rodovias na Amazônia: fluxos e transformações espaciais contemporâneas." Problèmes d'Amérique latine N° 125, no. 3 (2024): 33–52. http://dx.doi.org/10.3917/pal.125.0033.

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Depuis les années 1960, l’Amazonie a subi diverses transformations spatiales causées par des interventions étatiques et privées, transformations qui ont complexifié le réseau urbain régional et créé des liens locaux, régionaux, internes et interrégionaux par la construction d’autoroutes, redessinant la configuration des flux en Amazonie. Dans ce contexte, cet article vise à mettre en évidence les transformations spatiales à l’échelle macro-régionale impliquant les routes, la circulation et le transport. Pour mener à bien cette recherche, des enquêtes bibliographiques et huit études de terrain

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14

Sun, Jielun, Steven K. Esbensen, and L. Mahrt. "Estimation of Surface Heat Flux." Journal of the Atmospheric Sciences 52, no. 17 (1995): 3162–71. http://dx.doi.org/10.1175/1520-0469(1995)052<3162:eoshf>2.0.co;2.

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15

Kudeki, E., and S. J. Franke. "Statistics of momentum flux estimation." Journal of Atmospheric and Solar-Terrestrial Physics 60, no. 16 (1998): 1549–53. http://dx.doi.org/10.1016/s1364-6826(98)00104-7.

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16

Aljehaimi, Akrem Mohamed, and Pragasen Pillay. "Novel Flux Linkage Estimation Algorithm for a Variable Flux PMSM." IEEE Transactions on Industry Applications 54, no. 3 (2018): 2319–35. http://dx.doi.org/10.1109/tia.2018.2794338.

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17

Geilfus, N. X., R. J. Galley, O. Crabeck, et al. "Inorganic carbon dynamics of melt pond-covered first year sea ice in the Canadian Arctic." Biogeosciences Discussions 11, no. 5 (2014): 7485–519. http://dx.doi.org/10.5194/bgd-11-7485-2014.

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Abstract. Melt pond formation is a common feature of the spring and summer Arctic sea ice. However, the role of the melt ponds formation and the impact of the sea ice melt on both the direction and size of CO2 flux between air and sea is still unknown. Here we describe the CO2-carbonate chemistry of melting sea ice, melt ponds and the underlying seawater associated with measurement of CO2 fluxes across first year landfast sea ice in the Resolute Passage, Nunavut, in June 2012. Early in the melt season, the increase of the ice temperature and the subsequent decrease of the bulk ice salinity pro

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18

Singh, Bhoopendra, Shailendra Jain, and Sanjeet Dwivedi. "Direct Torque Control Induction Motor Drive with Improved Flux Response." Advances in Power Electronics 2012 (September 10, 2012): 1–11. http://dx.doi.org/10.1155/2012/764038.

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Accurate flux estimation and control of stator flux by the flux control loop is the determining factor in effective implementation of DTC algorithm. In this paper a comparison of voltage-model-based flux estimation techniques for flux response improvement is carried out. The effectiveness of these methods is judged on the basis of Root Mean Square Flux Error (RMSFE), Total Harmonic Distortion (THD) of stator current, and dynamic flux response. The theoretical aspects of these methods are discussed and a comparative analysis is provided with emphasis on digital signal processor (DSP) based cont

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19

Mohebbi, Farzad. "Function Estimation in Inverse Heat Transfer Problems Based on Parameter Estimation Approach." Energies 13, no. 17 (2020): 4410. http://dx.doi.org/10.3390/en13174410.

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A new sensitivity analysis scheme is presented based on explicit expressions for sensitivity coefficients to estimate timewise varying heat flux in heat conduction problems over irregular geometries using the transient readings of a single sensor. There is no prior information available on the functional form of the unknown heat flux; hence, the inverse problem is regarded as a function estimation problem and sensitivity and adjoint problems are involved in the solution of the inverse problem to recover the unknown heat flux. However, using the proposed sensitivity analysis scheme, one can com

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20

Bennett, William B., Jingfeng Wang, and Rafael L. Bras. "Estimation of Global Ground Heat Flux." Journal of Hydrometeorology 9, no. 4 (2008): 744–59. http://dx.doi.org/10.1175/2008jhm940.1.

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Abstract This study investigates the use of a previously published algorithm for estimating ground heat flux (GHF) at the global scale. The method is based on an analytical solution of the diffusion equation for heat transfer in a soil layer and has been shown to be effective at the point scale. The algorithm has several advantageous properties: 1) it only needs a single-level input of surface (skin) temperature, 2) the time-mean GHF can be derived directly from time-mean skin temperature, 3) it has reduced sensitivity to the variability in soil thermal properties and moisture, 4) it does not

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21

Li, Chunyan, Junli Li, Jianping Cheng, Zhen Wu, Lucheng Pei, and Jiajin Fan. "Research of Point Flux Estimation Method." Nuclear Science and Engineering 159, no. 3 (2008): 284–95. http://dx.doi.org/10.13182/nse159-284.

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22

Alekseev, A. K. "On heat flux estimation from isotherms." International Journal of Heat and Fluid Flow 18, no. 4 (1997): 437–39. http://dx.doi.org/10.1016/s0142-727x(97)00020-9.

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23

Minowa, Masahiro, Evgeny A. Podolskiy, Guillaume Jouvet, et al. "Calving flux estimation from tsunami waves." Earth and Planetary Science Letters 515 (June 2019): 283–90. http://dx.doi.org/10.1016/j.epsl.2019.03.023.

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24

Meyer, Philip D., and Glendon W. Gee. "Flux-Based Estimation of Field Capacity." Journal of Geotechnical and Geoenvironmental Engineering 125, no. 7 (1999): 595–99. http://dx.doi.org/10.1061/(asce)1090-0241(1999)125:7(595).

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25

Mahrt, L., K. Kotwica, Jielun Sun, J. I. Macpherson, and R. L. Desjardins. "Estimation of area-averaged moisture flux." Quarterly Journal of the Royal Meteorological Society 124, no. 552 (1998): 2793–815. http://dx.doi.org/10.1002/qj.49712455213.

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26

Zhu, Shaopeng, Kaida Hu, Jian Lin, et al. "Nonlinear Flux Linkage Observer with Model Reference Adaptive System for Improved Permanent Magnet Synchronous Motor Control." Actuators 13, no. 10 (2024): 403. http://dx.doi.org/10.3390/act13100403.

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This paper addresses performance degradation in nonlinear flux linkage algorithms, arising from estimation errors in rotor flux linkage due to fluctuations in current and temperature. We introduce a parameter-adaptive flux linkage model using MRAS, which dynamically adjusts the rotor flux linkage, significantly minimizing estimation errors and improving control performance. When the rotor flux linkage of the motor undergoes sudden changes, the nonlinear flux linkage model shows a speed fluctuation of 5%, whereas the parameter-adaptive flux linkage model reduces the error to 0.6%. The algorithm

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27

Kumar, V. Sanjay, and Harish Balaga. "Rotor Flux Estimation of Induction Motor Using Artificial Neural Networks." Journal of Advance Research in Electrical & Electronics Engineering (ISSN: 2208-2395) 2, no. 11 (2015): 01–08. http://dx.doi.org/10.53555/nneee.v2i11.174.

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Rotor flux measurement is needed for the control of induction motor by methods like field oriented control. But it is difficult tomeasure rotor flux in induction motors. Hence rotor flux is estimated by using neural networks in this paper. Rotor flux is simulated using model equations of induction motor and is compared with output of neural network.

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28

Zhang, Yanwu, James G. Bellingham, and Yi Chao. "Error Analysis and Sampling Strategy Design for Using Fixed or Mobile Platforms to Estimate Ocean Flux." Journal of Atmospheric and Oceanic Technology 27, no. 3 (2010): 481–506. http://dx.doi.org/10.1175/2009jtecho700.1.

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Abstract For estimating lateral flux in the ocean using fixed or mobile platforms, the authors present a method of analyzing the estimation error and designing the sampling strategy. When an array of moorings is used, spatial aliasing leads to an error in flux estimation. When an autonomous underwater vehicle (AUV) is run, measurements along its course are made at different times. Such nonsynopticity in the measurements leads to an error in flux estimation. It is assumed that the temporal–spatial autocovariance function of the flux variable can be estimated from historical data or ocean models

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29

Wang, Yu, and Zhi Quan Deng. "A New Stator Flux Estimation Method for Direct Torque Control of Electrical Excitation Flux-Switching Generator." Applied Mechanics and Materials 619 (August 2014): 292–97. http://dx.doi.org/10.4028/www.scientific.net/amm.619.292.

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The electrical excitation flux-switching (EEFS) machine, which exhibits advantages including high reliability, good flux regulation capability, bipolar flux linkage and sinusoidal back-EMF, is suitable for use as a generator in DC power systems. In this paper, a direct power control (DPC) scheme is investigated for voltage regulation of the EEFS generator in order to improve the dynamic performance. However, the stator flux estimation accuracy will affect torque control quality. Hence, a simple and practical stator flux estimation method, which only contains a second-order low pass (LP) filter

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30

Li, Zhanqing, H. G. Leighton, Kazuhiko Masuda, and Tsutomu Takashima. "Estimation of SW Flux Absorbed at the Surface from TOA Reflected Flux." Journal of Climate 6, no. 2 (1993): 317–30. http://dx.doi.org/10.1175/1520-0442(1993)006<0317:eosfaa>2.0.co;2.

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31

Cheng, Siyuan, Haoze Wang, and Yajie Jiang. "Improved Orthogonal Flux Corrector-based Rotor Flux Estimation in PMSM Sensorless Control." Progress In Electromagnetics Research Letters 121 (2024): 57–63. http://dx.doi.org/10.2528/pierl24022801.

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32

Voglar, Jure. "BUBBLE ENERGY AND LATENT HEAT FLUX ESTIMATION." Heat Transfer Research 50, no. 1 (2019): 57–64. http://dx.doi.org/10.1615/heattransres.2018024370.

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Alekseev, A. K. "Freestream Parameter Estimation Using Heat Flux Measurements." AIAA Journal 35, no. 7 (1997): 1238–40. http://dx.doi.org/10.2514/2.227.

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Jelassi, Khaled, Najiba Bellaaj-Merabet, and Bruno Dagues. "Estimation du flux par réseaux de neurones." Revue internationale de génie électrique 7, no. 1-2 (2004): 105–31. http://dx.doi.org/10.3166/rige.7.105-131.

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Verghese, G. C., and S. R. Sanders. "Observers for flux estimation in induction machines." IEEE Transactions on Industrial Electronics 35, no. 1 (1988): 85–94. http://dx.doi.org/10.1109/41.3067.

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Belle, Gerard T. van, Michelle J. Creech-Eakman, and Alma E. Ruiz-Velasco. "BOLOMETRIC FLUX ESTIMATION FOR COOL EVOLVED STARS." Astronomical Journal 152, no. 1 (2016): 16. http://dx.doi.org/10.3847/0004-6256/152/1/16.

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Müller, M., S. F. Green, N. McBride, D. Koschny, J. C. Zarnecki, and M. S. Bentley. "Estimation of the dust flux near Mercury." Planetary and Space Science 50, no. 10-11 (2002): 1101–15. http://dx.doi.org/10.1016/s0032-0633(02)00048-x.

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Hakkaki-Fard, A., and F. Kowsary. "Heat Flux Estimation in a Charring Ablator." Numerical Heat Transfer, Part A: Applications 53, no. 5 (2007): 543–60. http://dx.doi.org/10.1080/10407780701678240.

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Dromms, Robert A., and Mark P. Styczynski. "Improved metabolite profile smoothing for flux estimation." Molecular BioSystems 11, no. 9 (2015): 2394–405. http://dx.doi.org/10.1039/c5mb00165j.

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We develop several methods to improve the estimation of metabolite concentrations and accumulation fluxes from noisy time-course data, including use of a sigmoidal impulse function and a resampling-based approach.

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40

Alekseev, A. K. "Freestream parameter estimation using heat flux measurements." AIAA Journal 35 (January 1997): 1238–40. http://dx.doi.org/10.2514/3.13658.

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Utrata, Grzegorz, Jaroslaw Rolek, and Andrzej Kaplon. "The Novel Rotor Flux Estimation Scheme Based on the Induction Motor Mathematical Model Including Rotor Deep-Bar Effect." Energies 12, no. 14 (2019): 2676. http://dx.doi.org/10.3390/en12142676.

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During torque transients, rotor electromagnetic parameters of an induction motor (IM) vary due to the rotor deep-bar effect. The accurate representation of rotor electromagnetic parameter variability by an adopted IM mathematical model is crucial for a precise estimation of the rotor flux space vector. An imprecise estimation of the rotor flux phase angle leads to incorrect decoupling of electromagnetic torque control and rotor flux amplitude regulation which in turn, causes deterioration in field-oriented control of IM drives. Variability of rotor electromagnetic parameters resulting from the

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42

GHOSH, PRITISH KUMAR, ALOK KUMAR SHRIVASTA, and RAJU BASAK. "ESTIMATION OF FLUX LINKAGE OF PERMANENT MAGNET SYNCHRONOUS MOTOR USING KALMAN FILTER." REVUE ROUMAINE DES SCIENCES TECHNIQUES — SÉRIE ÉLECTROTECHNIQUE ET ÉNERGÉTIQUE 70, no. 2 (2025): 159–64. https://doi.org/10.59277/rrst-ee.2025.2.1.

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The real flux linkage value on the rotor side of a permanent magnet synchronous motor (PMSM) determines the field control performance of the motor. The flux linkage in the rotor side is taken into consideration as a constant parameter for half of the full order observer and stator flux estimate. However, realistically speaking, flux linkage can vary across a large range. A new set of variables is established for internal permanent magnet synchronous motors, or IPMSMs. A third order Kalman filter is developed by taking into account a set of additional variables as well as the state variables of

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43

Evans, A. J., C. P. Caulfield, and Andrew W. Woods. "Linear estimation of flux sensitivity to uncertainty in porous media." Journal of Fluid Mechanics 768 (March 11, 2015): 600–622. http://dx.doi.org/10.1017/jfm.2015.102.

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We derive an integral expression for the flux of a single-phase fluid through a porous medium with prescribed boundary conditions. Taking variations with respect to the parameters of a given permeability model yields an integral expression for the sensitivity of the flux. We then extend the method to consider linear changes in permeability. This yields a linearised flux expression which is independent of changes in the pressure field that result from the changes in the permeability. For demonstration purposes, we first consider an idealised layered porous medium with a point source and point s

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Wen, Bisheng, Kan Liu, Jing Zhou, et al. "Real-Time Estimation of PMSM Rotor Flux Linkage for EV Application under Steady State and Free-Running Conditions." World Electric Vehicle Journal 13, no. 5 (2022): 83. http://dx.doi.org/10.3390/wevj13050083.

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A method for real-time estimation of rotor flux linkage of permanent-magnet synchronous machines (PMSMs) under both steady state and free-running conditions is proposed in this paper. At steady state, a method for the estimation of rotor flux linkage is proposed based on the injection of variable-period zero-voltage perturbation, of which the accuracy is irrespective of the influence of voltage-source inverter (VSI) nonlinearity. Moreover, for the estimation of rotor flux linkage under free-running condition, due to system inertia after shutdown or fault in the motor driver, an effective appro

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Labovská, Zuzana, and Juraj Labovský. "Estimation of thermal effects on receptor from pool fires." Acta Chimica Slovaca 9, no. 2 (2016): 169–79. http://dx.doi.org/10.1515/acs-2016-0029.

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Abstract The aim of this contribution is to provide an overview of the calculation procedures of risk analysis, that is, the effects and consequences of pool fires. Fires and explosions are the most significant and most common causes of damage to equipment and of injuries and death in industry. Damages are a direct consequence of the generated heat flux. Mathematical tools for the prediction of heat flux at a distance can be divided into four classes: semi-empirical models, field models, integral models and zone models. Semi-empirical modeling is a relatively simple technique providing models

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Vieira, Ricardo Augusto Mendonça, José Carlos Pereira, Pedro Antônio Muniz Malafaia, Augusto Cesar de Queiroz, Cláudio P. Jordão, and André Luigi Gonçalves. "Simulação da dinâmica de nutrientes no trato gastrintestinal: aplicação e validação de um modelo matemático para bovinos a pasto." Revista Brasileira de Zootecnia 29, no. 3 (2000): 898–909. http://dx.doi.org/10.1590/s1516-35982000000300036.

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O objetivo do presente trabalho foi a validação das predições da dinâmica ruminal e pós-ruminal dos nutrientes e do crescimento microbiano no rúmen, usando as equações do sistema Cornell. O experimento foi realizado durante as estações chuvosa e seca do ano de 1996, em uma área de pastagem natural localizada no município de Viçosa (MG). Foram utilizados novilhos canulados no esôfago, rúmen e abomaso, durante dois períodos experimentais em cada estação, e usados indicadores externos (Cr2O3 e Eu) para estimativa do consumo e da taxa de passagem da digesta no rúmen. Foram determinados os fluxos d

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Shinnaka, Shinji. "New Sensorless Vector Control of Synchronous Reluctance Motors Through Estimation of Phase-Inclusion Flux by Generalized Flux Estimation Method." IEEJ Transactions on Industry Applications 139, no. 1 (2019): 83–92. http://dx.doi.org/10.1541/ieejias.139.83.

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Cho, Minkwang, and Hyun Mee Kim. "Effect of assimilating CO2 observations in the Korean Peninsula on the inverse modeling to estimate surface CO2 flux over Asia." PLOS ONE 17, no. 2 (2022): e0263925. http://dx.doi.org/10.1371/journal.pone.0263925.

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To investigate the impact of two CO2 observation datasets obtained from the Korean Peninsula on the surface CO2 flux estimation over Asia, the two datasets are assimilated into the CarbonTracker (CT) inverse modeling system and the estimated surface CO2 fluxes are analyzed. Anmyeon-do (AMY) and Gosan (GSN) sites in the Korean Peninsula have observed surface CO2 mole fraction since the late 1990s. To investigate the effect of assimilating the additional Korean observations on the surface CO2 flux estimation over Asia, two experiments are conducted. The reference experiment (CNTL) only assimilat

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Kolpakhchyan, P. G., and D. V. Olkhovatov. "Sensorless control of the high-speed switched reluctance generator of the micro power plant." Vestnik of Don State Technical University 19, no. 4 (2020): 357–65. http://dx.doi.org/10.23947/1992-5980-2019-19-4-357-365.

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Introduction. In the distributed and autonomous generation systems using renewable energy sources, low-power generating units (not more than 100-200 kW) based on microturbines function. Microturbines operate most efficiently at high rotational speeds. In this regard, the generator running with a microturbine must also be a high-speed one. A generator is a switched reluctance electric machine (EM) that needs information on the rotor position. It is difficult to use a position sensor in such mechanisms at high speeds. This paper discusses the issues of sensorless control of a high-speed switched

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Wesson, Karen H., Gabriel Katul, and Chun-Ta Lai. "Sensible heat flux estimation by flux variance and half-order time derivative methods." Water Resources Research 37, no. 9 (2001): 2333–43. http://dx.doi.org/10.1029/2001wr900021.

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