Showing 41 - 60 results of 102 for search '"logistic function"', query time: 0.09s Refine Results
  1. 41

    A Stackelberg Trust-Based Human–Robot Collaboration Framework for Warehouse Picking by Yang Liu, Fuqiang Guo, Yan Ma

    Published 2025-05-01
    “…We model human fatigue with the logistic function and incorporate its impact on the efficiency reward function of the POSG. …”
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    Article
  2. 42

    Efficient estimation of stereo thresholds: What slope should be assumed for the psychometric function? by Ignacio Serrano-Pedraza, Kathleen Vancleef, William Herbert, Nicola Goodship, Maeve Woodhouse, Jenny C A Read

    Published 2020-01-01
    “…We performed 2- and 4AFC disparity detection stereo experiments in order to measure the spread of the disparity psychometric function in human observers assuming a Logistic function. We found a wide range, between 0.03 and 3.5 log10 arcsec, with little change with age. …”
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  3. 43

    Epilepsy in onchocerciasis endemic areas: systematic review and meta-analysis of population-based surveys. by Sébastien D S Pion, Christoph Kaiser, Fernand Boutros-Toni, Amandine Cournil, Melanie M Taylor, Stefanie E O Meredith, Ansgar Stufe, Ione Bertocchi, Walter Kipp, Pierre-Marie Preux, Michel Boussinesq

    Published 2009-06-01
    “…Variation in epilepsy prevalence was consistent with a logistic function of onchocerciasis prevalence, with epilepsy prevalence being increased, on average, by 0.4% for each 10% increase in onchocerciasis prevalence.…”
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  4. 44

    Addressing survey fatigue bias in longitudinal social contact studies to improve pandemic preparedness by Shozen Dan, Zhi Ling, Yu Chen, Joshua Tegegne, Veronika K. Jaeger, André Karch, Swapnil Mishra, Oliver Ratmann, The Machine Learning &Global Health network

    Published 2025-05-01
    “…We find further that, when using data from first-time participants as gold standard, statistical models incorporating a simple logistic function to control for survey fatigue were associated with substantially improved estimation accuracy relative to models with no survey fatigue adjustments, and that no cap on the number of repeat participations was required. …”
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  5. 45

    Research on the Frequency Regulation Strategy of Large-Scale Battery Energy Storage in the Power Grid System by Bin He, YongFeng Ren, Yu Xue, ChenZhi Fang, ZhiShuai Hu, XiaoLing Dong

    Published 2022-01-01
    “…First of all, the droop control based on logistic function and the virtual inertia control based on piecewise function are proposed for battery energy storage frequency regulation, which improves the performance of battery energy storage power output effectively. …”
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  6. 46

    Experimental study on shear strength and deterioration behavior of silty clay under dry-wet-freeze-thaw cycles by Haotian Guo, Yinglian Sun, Chao Sun, Hongyan Gu

    Published 2025-05-01
    “…A shear strength deterioration model of silty clay was established based on the indoor test data by using the Logistic function to predict shear strength parameters under dry-wet, freeze-thaw, and dry-wet-freeze-thaw cycles. …”
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  7. 47

    Estimation of the reproductive and population parameters of Diaphorina citri (Hemiptera: Liviidae) by Madeleyne Parra-Fuentes, Lumey Pérez-Artiles, Juddy Heliana Arias-Castro, Héctor Martínez-Romero

    Published 2025-05-01
    “…Valencia/Citrumelo, and the growth rate and load capacity of the shoots were determined from experimental data employing a logistic function. The sex ratio of D. citri was estimated at 0.49, with a standard deviation of 0.14. …”
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  8. 48
  9. 49

    Experimental study on physical and mechanical properties of expanded soil improved by lime activated blast furnace slag by Jilong Jia, Yuxuan Zhao, Jianlin Hu, Wei Cheng

    Published 2025-01-01
    “…The stress–strain curve follows a logistic function in the rising stage and a rational fractional equation in the descending stage.This study demonstrates that lime-activated blast furnace slag is a sustainable and effective alternative for stabilizing expansive soils while reducing dependence on cement.…”
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  10. 50

    CO<sub>2</sub> generation and recovery in wine brewing process by YANG Liu, QIAN Jingdu, YANG Jinyu, YUAN Junshuai, HU Zepeng, YANG Jihong

    Published 2024-08-01
    “…The results showed that the CO<sub>2</sub> generation could be fitted with &quot;S&quot; model, and the CO<sub>2</sub> concentration change was consistent with the Logistic function. The effect of alcohol fermentation with different opening degrees on the quality of dry white wine, only the total phenol content decreased significantly with the decrease of opening degree (P&lt;0.05). …”
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  11. 51

    ESTIMATING THE PROPERTIES OF TECHNOLOGICAL SYSTEMS BASED ON FUZZY SETS by Vladimir Beskorovainyi, Heorhii Berezovskyi

    Published 2017-09-01
    “…The carried out experimental research has revealed its advantages in terms of accuracy and time complexity in comparison with the functions of Gauss, Harrington, logistic function, gluing of power functions and their modifications. …”
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  12. 52

    Adaptive Dual Droop Control Strategy of VSC-HVDC for Supporting Frequency Stability of Sending-End System with Renewable Energy by ZHANG Zhaoyang, GAO Bingtuan, SUO Zhiwen, JIANG Weiyong, TENG Sudan, ZHANG Pu

    Published 2025-05-01
    “…For frequency droop control, a frequency-adaptive coefficient was designed based on the logistic function of frequency deviation to enable the system to dynamically adjust the droop coefficient and respond flexibly to frequency changes. …”
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  13. 53

    Uniaxial compressive damage evolution and constitutive modeling of fissure-like rocks under different loading rates based on acoustic emission by Qinyong Wang, Wei Chen, Wenqing Peng, Yuanzeng Wang, Yu Zhou, Zhili Peng

    Published 2025-01-01
    “…The number of AE rings, energy, and cumulative energy are positively correlated with the loading rate, while the cumulative ringing counts decrease. (4) A damage constitutive model constructed with AE energy and the Logistic function can accurately represent the specimen’s response to different loading rates. …”
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  14. 54

    Intercropping and Nitrogen Fertilization Altered the Patterns of Leaf Senescence in Sorghum by Peter E. Moi, Onesmus M. Kitonyo, George N. Chemining’wa, Josiah M. Kinama

    Published 2021-01-01
    “…Leaf senescence was assessed from flowering to maturity at (a) whole-plant level by the visual scoring of green leaves and (b) flag leaf scale by measuring leaf greenness with a SPAD 502 chlorophyll meter. A logistic function in SigmaPlot was fitted to estimate four traits of leaf senescence, including minimum and maximum SPAD (SPADmin, SPADmax), time to loss of 50% SPADmax (EC50), and the rate of senescence. …”
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  15. 55

    THE IMPACT OF PENSION REFORM ON THE NUMBER OF PENSIONERS IN THE RUSSIAN ARCTIC by Valery A. Gurtov, Evgenii A. Pitukhin, Irina S. Stepus

    Published 2025-06-01
    “…The projection of working pensioners relies on a logistic function of age, which is universal and independent of region and gender. …”
    Article
  16. 56

    Quasi-Analytical Least-Squares Generative Adversarial Networks: Further 1-D Results and Extension to Two Data Dimensions by Graham W. Pulford

    Published 2025-01-01
    “…For numerical simulations in the 1-D case, when the functional form of the optimal discriminator (a scaled logistic function) is fixed but its parameters are not matched to the optimal generator and can vary, convergence to the optimal settings does not occur, and, for certain initial settings, severe error propagation results. …”
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  17. 57
  18. 58

    Quantification of Small‐Scale Spatial Patterns in Alpine–Treeline Ecotones by Lukas Flinspach, Thorsten Wiegand, J. Julio Camarero, Enric Batllori, Emilia Gutiérrez, Maaike Y. Bader

    Published 2025-05-01
    “…We quantified the discreteness by the steepness of a logistic function fitted to tree cover. Band widths and cut‐off values were optimised for our data. …”
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  19. 59

    In-depth immunochemical characterization of the serum antibody response using a dual-titration microspot assay by Ágnes Kovács, Ágnes Kovács, Zoltán Hérincs, Krisztián Papp, Jakub Zbigniew Kaczmarek, Daniel Nyberg Larsen, Daniel Nyberg Larsen, Pernille Stage, László Bereczki, Eszter Ujhelyi, Tamás Pfeil, Tamás Pfeil, József Prechl

    Published 2025-02-01
    “…Both titration curves were simultaneously fitted using an algorithm based on the generalized logistic function and adapted for analyzing biochemical variables of binding. …”
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  20. 60

    Enhancing bio-hydrogen and biogas yields through optimized ultrasonic pretreatment of algal biomass for sustainable energy production by Asad A. Zaidi, Sohaib Z. Khan, Hamad Almohamadi, Enio Pedone Bandarra Filho, Noreen Sher Akbar, M. Imran Khan, Fahid Riaz, Muhammad Farooq

    Published 2025-06-01
    “…Kinetic modeling with Modified Gompertz and Logistic Function models demonstrated faster reaction rates and higher production potentials for pretreated samples. …”
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