Suggested Topics within your search.
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- Mathematical models 3
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2501
Optimizing cut order planning: A comparative study of heuristics, metaheuristics, and MILP algorithms
Published 2025-01-01“…The first approach uses conventional metaheuristic algorithms, while the second transforms the nonlinear COP mathematical model into a Mixed Integer Linear Programming (MILP) problem and uses commercial solvers for solution. …”
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2502
Hydrodynamic Characteristics and Riverbed Evolution Analysis of the Bazizui Straight Branching Channel in Xinjiang River Based on MIKE21
Published 2023-01-01“…To clarify the hydrodynamic characteristics and riverbed evolution trend of the branching channel bank in the Bazizui shipping section of Xinjiang River,this paper builds the two-dimensional mathematical model of the research water area by MIKE21 hydrodynamic module.It employs the hydrological data of Meigang Station to calibrate the model and verify the accuracy.On this basis,the hydrodynamic characteristics in different hydrological periods of the straight branching channel of Xinjiang River are analyzed,and the evolution trend of the branching channel section is clarified.The results show that the left branch is the main water branch,and the diversion ratio of the diversion channel decreases with the increase in flow.The velocity of flow is irregularly distributed and varies significantly between regions.The main stream appears in the left branch of the diversion section,and the maximum flow velocity is confirmed in the narrow part.The water level decreases uniformly from the diverging area to the confluence area.The overall stability of river pattern development and evolution is good,and the evolution of the water channel is mainly reflected in the local changes of riverbed scouring and silting in branching channels.The model can effectively simulate the diversion ratio and water level variation of the branching channel,which can provide a scientific basis for the study of river safety protection and navigation stability.…”
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2503
Contribution to the Detection of Poor Quality Sildenafil Drugs in Burkina Faso Using High-Performance Thin-Layer Chromatography
Published 2021-01-01“…The establishment of the response function curves allowed the choice of the polynomial function applied to the peak areas. This mathematical model provides a validity range between 0.4 and 0.6 mg/mL. …”
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2504
Predictive Modeling of Tool Life in Turning Using ANN-Taguchi Hybridization
Published 2024-01-01“…There are established mathematical models for estimating the tool’s lifespan, particularly for CBN tools when performing turning operations. …”
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2505
First true blood pressure measurement with micropulse detection of arterial opening achieved
Published 2025-01-01“…Our solution avoids estimates, mathematical modelling, oscillometric algorithms, and inadequate calibration against numerous private clinical data sets. …”
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2506
State Estimation Based on Sigma Point Kalman Filter for Suspension System in Presence of Road Excitation Influenced by Velocity of the Car
Published 2019-01-01“…This paper presents the method using the sigma point Kalman filter to estimate the suspension system’s states including the road excitation, the deflections, and the velocities of the sprung mass and unsprung mass. The mathematical model of the suspension system is rewritten for the state estimation problem, and the stochastic load profile is supposed the main noise input. …”
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2507
Qualitative Stability Analysis of an Obesity Epidemic Model with Social Contagion
Published 2017-01-01“…We study an epidemiological mathematical model formulated in terms of an ODE system taking into account both social and nonsocial contagion risks of obesity. …”
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2508
Modeling some properties of circadian rhythms
Published 2013-09-01“…Mathematical models have been very useful in biological research. …”
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2509
A Hybrid Constraints Handling Strategy for Multiconstrained Multiobjective Optimization Problem of Microgrid Economical/Environmental Dispatch
Published 2017-01-01“…In this paper, the mathematical model of a typical MG system applied in northwest China is established. …”
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2510
Modeling and Parameter Analysis of the OC3-Hywind Floating Wind Turbine with a Tuned Mass Damper in Nacelle
Published 2013-01-01“…First of all, a mathematical model for the platform surge-heave-pitch motion and TMD-nacelle interaction is established based on D’Alembert’s principle. …”
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2511
Credit Index Screening Model of Family Farms and Family Ranches Based on Fuzzy Bayesian Theory of Depth Weighting
Published 2022-01-01“…In this paper, the characteristics of the first one is based on fuzzy set theory, the definition of fuzzy linguistic assessment of different default set, family ranches characteristic is converted to the corresponding index of pasting with triangular fuzzy mathematical model, and then through the inner method converting triangular fuzzy number into accurate output data to deal with the blur and uncertainty about the state of the fuzzy default transformation is realized. …”
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2512
A review on challenges and future of green charging networks for zero emission electric transportation
Published 2025-01-01“…Using independent and interlinked mathematical models, authors examine contemporary computational approaches that manage corporate architectural challenges in novel manners. …”
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2513
A Decision-Making Model for Deterring Food Vendors from Selling Harmless Low-Quality Foods as High-Quality Foods to Consumers
Published 2017-01-01“…Adopting the standpoint of the public sector in food safety management, this study developed a mathematical model that facilitates discussion on the aforementioned problems. …”
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2514
Modeling and Analysis of HIV and Cholera Direct Transmission with Optimal Control
Published 2022-01-01“…In this study, a mathematical model of the human immunodeficiency virus (HIV) and cholera co infection is constructed and analyzed. …”
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2515
Prediction of Epileptic Seizure by Analysing Time Series EEG Signal Using k-NN Classifier
Published 2017-01-01“…Using the statistical parameters and regression analysis, a prototype mathematical model is proposed which helps to find the epileptic randomness with respect to the age of different subjects. …”
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2516
A Novel Numerical Algorithm for Optimal Sizing of a Photovoltaic/Wind/Diesel Generator/Battery Microgrid Using Loss of Load Probability Index
Published 2013-01-01“…The objective of the proposed optimization is to design the system that can supply a building load demand at minimum cost and maximum availability. The mathematical models for the system components as well as meteorological variables such as solar energy, temperature, and wind speed are employed for this purpose. …”
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2517
Research on Tooth Surface Design of Curved Tooth Face Gear based on Cylindrical Gear Addendum Modified
Published 2021-05-01“…Cross-section fillet equation, fillet surface equation, and modified curved tooth surface transition surface equation are deduced, and the mathematical model of the two kinds of tooth tip cylindrical gears is established by Matlab. …”
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2518
Pre-Service Teachers’ Cognitive and Metacognitive Processes in Integrated STEM Modeling Activity
Published 2021-02-01“…Pre-service teachers were asked to solve a complex problem that requires mathematical model eliciting activities and report their solution. …”
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2519
On the Investigation of State Space Reconstruction of Nonlinear Aeroelastic Response Time Series
Published 2006-01-01“…Stall-induced aeroelastic motion may present severe non-linear behavior. Mathematical models for predicting such phenomena are still not available for practical applications and they are not enough reliable to capture physical effects. …”
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2520
Experimental Study on Expansion Characteristics of Core-Shell and Polymeric Microspheres
Published 2018-01-01“…Based on the experimental results, the core-shell microsphere is suitable for injection in the early stage to block the near-wellbore zone, and the polymeric microsphere is suitable for subsequent injection to block the formation away from the well. A simple mathematical model is proposed for size evolution of the polymeric and core-shell microspheres.…”
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