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Variable Structure Depth Controller for Energy Savings in an Underwater Device: Proof of Stability
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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63
Variable Structure Control and Its Ground Experimental Test for the Space Station Robot
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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Objective Functions for the Blade Shape Optimisation of a Cross-Flow Tidal Turbine under Constraints
Published 2025-06-01Get full text
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Exploring the impact of AI on employee self-competence performance key variables and outcomes
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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Near-Infrared Electronically-Controlled Variable Attenuator for W-Band Frequency Range
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 75–110 GHz frequency band, controlled via near-infrared (NIR) illumination. …”
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Event-Triggered Fault-Tolerant ADRC for Variable-Load Quadrotor with Prescribed Performance
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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Analysis of the variability of morphometric and physiological parameters of grain crops when using biofertilizers
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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Modeling and Simulation of an Intelligent Photovoltaic Controller Based on Variable Step Algorithm of Versoria
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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Age differences in the variability and distribution of sleep spindle and rapid eye movement densities.
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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A Home-Based Self-Powered Rehabilitation System With Variable Stiffness Mechanism
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’s motor ability. …”
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Variational Bayesian Variable Selection in Logistic Regression Based on Spike-and-Slab Lasso
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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Optimising the Selection of Input Variables to Increase the Predicting Accuracy of Shear Strength for Deep Beams
Published 2022-01-01“…One of the major obstacles in building an accurate prediction model is optimising the input variables. Therefore, developing an efficient algorithm to select the optimal input parameters that have the highest information content to represent the target and minimise redundant data is very important. …”
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Research Progress on Technology Parameter Optimization of High-speed Dry Gear Hobbing
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Investigation of Error Probability for Grid and Random Uniform Topologies in a Variable Noise Environment
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The Constraint Function Response Shifting Scalar-Based Optimization Method for the Reliability-Based Dynamic Optimization Problem
Published 2025-02-01“…Specifically, the shift scalar CFRSS is calculated by the probability density function of the constraint function response and deducted for probabilistic constraints in the constraint function response space to move the violated constraints toward the reliable region, avoiding solving large-scale optimization problems in the control variable space. …”
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A novel analytical treatment for the Ambartsumian delay differential equation with a variable coefficient
Published 2024-12-01“…The Ambartsumian delay differential equation with a variable coefficient is considered in this paper. An effective transformation is produced to convert the extended Ambartsumian equation to the pantograph model. …”
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Upstream open reading frames buffer translational variability during Drosophila evolution and development
Published 2025-06-01Get full text
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Multiobjective Approach to the Transit Network Design Problem with Variable Demand considering Transit Equity
Published 2022-01-01“…This paper adopts a multiobjective approach that considers system efficiency, user inconvenience, and transit equity without the use of weights in order to design a more realistic and efficient transit network. …”
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