Showing 61 - 80 results of 1,541 for search '(variable OR variables) (friction OR function) efficiency.', query time: 0.23s Refine Results
  1. 61

    ANALYSIS OF SOME ECONOMIC VARIABLES IN SLOVENIAN FARMS USING FADN DATASET by Nicola GALLUZZO

    Published 2017-01-01
    “…The purpose of this paper was to investigate by a quantitative approach, over the time 2004-2013, in the FADN dataset main correlations among different economic variables, such as financial subsidies allocated by the CAP on Slovenian farms stratified in function of the main typology of farming which is a dummy variable of the productive specialization. …”
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  2. 62
  3. 63

    An Algorithm for the Conditional Distribution of Independent Binomial Random Variables Given the Sum by Kelly Ayres, Steven E. Rigdon

    Published 2025-06-01
    “…We investigate Metropolis–Hastings (MH) algorithms to approximate the distribution of independent binomial random variables conditioned on the sum. Let <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mi>X</mi><mi>i</mi></msub><mo>∼</mo><mrow><mi>BIN</mi></mrow><mrow><mo>(</mo><msub><mi>n</mi><mi>i</mi></msub><mo>,</mo><msub><mi>p</mi><mi>i</mi></msub><mo>)</mo></mrow></mrow></semantics></math></inline-formula>. …”
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  4. 64

    Effects of Peanut Processing on Masticatory Performance during Variable Appetitive States by Fiona McKiernan, Richard D. Mattes

    Published 2010-01-01
    “…However, questions have been raised as to whether inter- and intraindividual variability in mastication in response to peanut form and processing properties may influence these health effects, since mastication has the potential to alter the bioaccessibility of nutrients within the nut matrix. …”
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  5. 65
  6. 66

    Variable Structure Depth Controller for Energy Savings in an Underwater Device: Proof of Stability by João Bravo Pinto, João Falcão Carneiro, Fernando Gomes de Almeida, Nuno A. Cruz

    Published 2025-07-01
    “…Recent work introduced a variable structure depth controller for a sensor platform with a variable buoyancy module, resulting in a 22% reduction in energy consumption. …”
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  9. 69

    Design and Dynamic Analysis of the Multi-link Mechanism for Variable Compression Ratio Engine by Xu Kai, Feng Zengming, Yang Jinxing, Chu Yaxu

    Published 2022-12-01
    “…The results show that the multi-link mechanism can realize real-time variable compression ratio to meet the actual operating conditions, has mechanical advantages in power amplification characteristics and restraining friction between piston and cylinder wall, and brings additional dynamic benefits in engine vibration.…”
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  10. 70

    Exploring the impact of AI on employee self-competence performance key variables and outcomes by Anas Amayreh, Mohammad A. Ta’Amnha, Ihab K. Magableh, Maher H. Mahrouq, Salsabila Aisyah Alfaiza

    Published 2025-07-01
    “…Abstract In the dynamic business world, organizations must upgrade their functioning and develop human resources skills to achieve optimal performance. …”
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  11. 71

    The Development and Characteristics of an In-Wheel Assembly Using a Variable Speed-Reducing Device by Kyeongho Shin, Kyoungjin Ko, Junha Hwang

    Published 2025-02-01
    “…This study proposes an in-wheel assembly with a variable speed-reduction device designed to maximize torque and vehicle speed, enabling high-performance vehicle-level driving characteristics in front-engine, rear-wheel drive (FR), internal combustion engine (ICE) vehicles, where conventional EV motors cannot facilitate e-4WD. …”
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  12. 72

    Variable Structure Control and Its Ground Experimental Test for the Space Station Robot by Feilong Zhang, Bi Zhang, Bing Han, Danyang Qu, Xingang Zhao

    Published 2022-01-01
    “…Therefore, to guarantee the stability of the 6-DOF industrial robot in which the dynamic model is built inaccurately, we propose one of the simplest variable structure (VS) controllers, and the stability of the system is analyzed through the Lyapunov method. …”
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  13. 73

    Adaptive Control of the Aerodynamic Flaps of the Savonius Rotor Under Variable Wind Loads by Alina Fazylova, Kuanysh Alipbayev, Teodor Iliev, Nazgul Kaliyeva

    Published 2025-05-01
    “…This study presents the development of an adaptive control system for aerodynamic flaps of a two-tier vertical-axis Savonius wind rotor to improve performance under variable wind loads. The approach includes detailed kinematic and dynamic modeling of the flap actuation mechanism, accounting for real-world nonlinearities such as backlash, friction, and impact loads. …”
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  14. 74

    Modeling and Simulation of an Intelligent Photovoltaic Controller Based on Variable Step Algorithm of Versoria by Bo Sun, Yongquan You, Zhiyong Zhang, Chao Li

    Published 2020-01-01
    “…For the limitation of fuzzy control algorithm, considering the property of the Versoria function, an MPPT design method for an intelligent controller based on the Versoria variable step algorithm is further proposed. …”
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  15. 75

    Age differences in the variability and distribution of sleep spindle and rapid eye movement densities. by Kevin R Peters, Laura B Ray, Stuart Fogel, Valerie Smith, Carlyle T Smith

    Published 2014-01-01
    “…Although age differences were observed in the degree of absolute variability (older adults had significantly larger variances than young adults for sleep efficiency and time spent awake after sleep onset), a similar pattern was also observed within the two age groups: the four sleep measures with the lowest degrees of relative variability were the same and included time spent in REM and Stage 2 sleep, total sleep time, and sleep efficiency. …”
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  16. 76

    A Home-Based Self-Powered Rehabilitation System With Variable Stiffness Mechanism by Ke Shi, Yingchen Gao, Maozeng Zhang, Lifeng Zhu, Aiguo Song

    Published 2025-01-01
    “…This paper demonstrates a home-based self-powered rehabilitation system with a variable stiffness mechanism (VSM), providing proper coupling stiffness between the UIS and IS according to the IS&#x2019;s motor ability. …”
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  17. 77

    Variational Bayesian Variable Selection in Logistic Regression Based on Spike-and-Slab Lasso by Juanjuan Zhang, Weixian Wang, Mingming Yang, Maozai Tian

    Published 2025-07-01
    “…The method of introducing a new hidden variable or approximating the lower bound is used to solve the problem of logistic functions without conjugate priors. …”
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  18. 78

    Near-Infrared Electronically-Controlled Variable Attenuator for W-Band Frequency Range by Suren Gigoyan, Mohammad-Reza Nezhad-Ahmadi

    Published 2025-01-01
    “…This article presents the design, fabrication, and performance evaluation of a novel high-performance millimeter-wave (mm-wave) variable attenuator operating across the 75&#x2013;110 GHz frequency band, controlled via near-infrared (NIR) illumination. …”
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  19. 79

    Analysis of the variability of morphometric and physiological parameters of grain crops when using biofertilizers by D. G. Fedorova, L. V. Galaktionova

    Published 2024-03-01
    “…The parameters of photosynthetic activity play an important role in photosynthesis and ensure the efficient functioning of plants under various conditions. …”
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  20. 80

    Event-Triggered Fault-Tolerant ADRC for Variable-Load Quadrotor with Prescribed Performance by Zhichen Li, Qiaoran Wang, Huaicheng Yan

    Published 2025-06-01
    “…This study proposes an event-triggered fault-tolerant active disturbance rejection control (ADRC) method for variable-load quadrotors with prescribed performance. …”
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