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Showing 101 - 120 results of 3,001 for search 'variation efficiency method', query time: 0.15s Refine Results
  1. 101

    An efficient dynamic reliability method for maglev vehicle-bridge systems and its application in random controller parameters analysis by Lidong Wang, Qingrong Li, Xun Zhang, Xiumeng Bu, Peng Hu, Yan Han

    Published 2025-03-01
    “…This article presents an efficient method for analyzing the dynamic reliability of maglev vehicle-bridge coupled systems by combining a theoretical model with an adaptive surrogate model and the probability density evolution method (PDEM). …”
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    Article
  2. 102
  3. 103

    A High-Efficient Modeling Method for Aerodynamic Loads of an Airfoil with Active Leading Edge Based on RFA and CFD by Shengyong Fang, Sheng Zhang, Jinlong Zhou, Weidong Yang

    Published 2025-07-01
    “…Comparative results reveal that the developed model can calculate the aerodynamic loads of an airfoil with an active leading edge accurately and efficiently when applied appropriately. The modeling method can be used in aerodynamic load calculations and the aeroelastic coupling analysis of a rotor with active control devices.…”
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  4. 104

    Spatio-temporal variations in carbon sources, sinks and footprints of cropland ecosystems in the Middle and Lower Yangtze River Plain of China, 2013–2022 by Jing Kong, Yisong Li

    Published 2025-05-01
    “…Hence, this study was conducted with the help of carbon emission coefficient method. It investigated the spatio-temporal variations of carbon sources, sinks and carbon footprints of cropland ecosystems in this plain from 2013 to 2022. …”
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    Article
  5. 105

    Analytical and numerical investigations of slip flow in a Jeffery-Hamel configuration within a converging microchannel incorporating a step variation in wall temperature and the ef... by Elhoucine Essaghir, Youssef Haddout, Mustapha Darif, Abdelaziz Oubarra, Jawad Lahjomri

    Published 2025-06-01
    “…Numerical validation is performed using a second-order finite difference method, showing a high agreement with a maximum deviation error <0.2 %, confirming the accuracy of both methodologies in efficiently resolving the singularity. …”
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    Article
  6. 106

    Classification and Recognition Method for Bearing Fault based on IFOA-SVM by Wei Zhang, Zhihua Ma

    Published 2021-02-01
    “…In order to identify the nonlinear classification of bearing fault features more accurately, a fault identification method based on IFOA-SVM is proposed. Firstly, the variational mode decomposition method is used to decompose the vibration signals of the bearing, and the fuzzy approximate entropy and energy entropy of the modal component is used to form fault characteristics. …”
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    Article
  7. 107

    Methodology of expert evaluation of effectiveness of methods of organizational diagnostics by T. V. CHIBIKOVA

    Published 2017-10-01
    “…The technique of an estimation of efficiency of methods of organizational diagnostics is offered. …”
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    Article
  8. 108

    A Fast MPPT Method Based on Improved Water Cycle Optimization Algorithm for Photovoltaic Systems Under Partial Shading Conditions and Load Variations by Rafah Ibraheem Jabbar, Saad Mekhilef, Marizan Mubin, Obaid Alshammari, Ahmed Kazaili

    Published 2024-01-01
    “…This study proposes a MPP tracking (MPPT) method based on improved water cycle optimization for fast-tracking the GMPP under PS conditions, along with a new strategy to enhance the convergence speed of the MPPT method during load variations. …”
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    Article
  9. 109

    Quantifying fracture process zone evolution in magnesium-based wood-like material: Analysis based on digital image correlation and variation factor method by Chunjie Li, Jun Cai, Xingrong Chen, Johnny F.I. Lam, Hongniao Chen

    Published 2025-07-01
    “…VFM achieves < 2.14 % deviation from conventional methods while significantly improving computational efficiency. …”
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  10. 110
  11. 111

    Approximate methods for solving local fractional integral equations by Hassan Kamil Jassim

    Published 2017-06-01
    “…This paper presents new analytical approximate methods such as local fractional variational iteration method and local fractional decomposition method for a family of the linear and nonlinear integral equations of the second kind within local fractional derivative operators. …”
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    Article
  12. 112

    An Adaptive Local Time-Stepping Method Applied to Storm Surge Inundation Simulation by Pubing Yu, Tao Ji, Xiuguang Wu, Yifan Chen, Guilin Liu

    Published 2025-02-01
    “…By dynamically monitoring the variation in the proportion of dry/wet cells during the simulation, the method adaptively adjusts the maximum local time step level, improving computational efficiency and minimizing human intervention in traditional LTS schemes. …”
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    Article
  13. 113

    Improving genomic prediction accuracy for methane emission and feed efficiency in sheep: integrating rumen microbial PCA with host genomic variation using neural network GBLUP (NN-... by Setegn Worku Alemu, Timothy P. Bilton, Patricia L. Johnson, Benjamin J. Perry, Hannah Henry, Ken G. Dodds, John C. McEwan, Suzanne J. Rowe

    Published 2025-07-01
    “…For the second objective, the NN-GBLUP model incorporating PCA-reduced RMC data improved prediction accuracy compared to standard GBLUP methods. Prediction accuracy for methane emissions increased from 0.09 to 0.30 in train-test validation and from 0.15 to 0.27 in five-fold cross-validation using PCA components explaining 25% of total RMC variation. …”
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    Article
  14. 114

    Efficient operation of inverted umbrella aerator: The effect of operating parameters on oxygenation performance by Liai Chen, Quanzeng Gou, Hongxun Hou, Song Chen, Dagui Wang, Lei Huang

    Published 2025-04-01
    “…This study systematically compares two distinct types of aerator designs (type 1# and type 2#) under varying conditions, analyzing oxygen transfer coefficients, standard oxygen-transfer rates, and standard dynamic efficiency (Es). And the orthogonal experimental method was employed to analyze the effects of different parameters on Es. …”
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  15. 115

    UAV-Based Remote Sensing Monitoring of Maize Growth Using Comprehensive Indices by Tingrui Yang, Jinghua Zhao, Ming Hong, Mingjie Ma, Shijiao Ma, Yingying Yuan

    Published 2025-01-01
    “…Comprehensive growth monitoring indices, CGMICV and CGMICT, were developed using the coefficient of variation method (CV) and the technique for order preference by similarity to an ideal solution (TOPSIS) based on the coefficient of variation method of empowerment (Coefficient of variation-TOPSIS, CT) respectively. …”
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    Article
  16. 116

    More Efficient and Reliable: Identifying RRab Stars with Blazhko Effect by Deep Convolutional Neural Network by Nan Jiang, Tianrui Sun, Siyuan Pan, Lingzhi Wang, Xue Li, Bin Sheng, Xiaofeng Wang

    Published 2025-01-01
    “…Using reliably classified RRabs from frequency analysis to train, validate, and test our model, we show that our CNN method reaches accuracies up to 94%. We then applied our CNN method to some additional RRabs located in the Magellanic Cloud (MC) and the Galactic Bulge (GB), leading to the discovery of 113 and 2496 BL candidates, respectively. …”
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  17. 117

    Pretreatment method of forchlorfenuron residues in loquat by HPLC analysis by YANG Chunping, LI Zhaojun, NING Hong, CHEN Huabao, GONG Guoshu, YANG Jizhi, ZHANG Min

    Published 2016-05-01
    “…The forchlorfenuron residues in loquat could be completely separated from impurities under these optimal conditions, and furthermore, the spiked recoveries of forchlorfenuron in loquat were 80%-100%, with coefficient of variation (CV) in the range of 3.1%-4.8%.It was concluded that our method of pretreatment could effectively extract and purify forchlorfenuron residues in loquat.…”
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  18. 118

    Estimation of the efficiency of <i>in vitro</i> anther culture method for obtaining haploid triticale plants (×<i>Triticosecale</i> wittmack) by V. N. Anikina, O. V. Khomyakova, T. I. Diyachuk, S. V. Zhilin, E. K. Barnashova, E. V. Kalashnikova, V. P. Kulikova

    Published 2023-06-01
    “…Anther culture is one of the most popular methods for obtaining haploid triticale plants. The current paper has presented the study results of the efficiency of the method for obtaining haploid plants in promising winter triticale forms bred by the Federal Agricultural Research Center of South-East. …”
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  19. 119

    An Improved Short-Term Electricity Load Forecasting Method: The VMD–KPCA–xLSTM–Informer Model by Jiawen You, Huafeng Cai, Dadian Shi, Liwei Guo

    Published 2025-04-01
    “…This paper proposes a hybrid forecasting method (VMD–KPCA–xLSTM–Informer) based on variational-mode decomposition (VMD), kernel principal component analysis (KPCA), extended long short-term memory network (xLSTM), and the Informer model. …”
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    Article
  20. 120

    Efficient Finite-Difference Estimation of Second-Order Parametric Sensitivities for Stochastic Discrete Biochemical Systems by Fauzia Jabeen, Silvana Ilie

    Published 2024-12-01
    “…Sensitivity analysis is an important method for studying the influence of the variations in various parameters on the output of a biochemical model. …”
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    Article