Resultados de búsqueda - optimization algorithm
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1021
Analyzing cryptographic algorithm efficiency with in graph-based encryption models
Publicado 2025-07-01“…This research paper investigates the efficiency of cryptographic algorithms within graph-based encryption models such as star graph, focusing on their computational performance and security robustness. …”This research paper investigates the efficiency of cryptographic algorithms within graph-based encryption models such as star graph, focusing on their computational performance and security robustness. In this study, we analyze the performance of RSA and ElGamal cryptographic algorithms by evaluatin...
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1022
Planning trajectory for UAVs using the self-organizing migrating algorithm.
Publicado 2025-01-01“…We introduce a new cost function designed to minimize the distance to the target while maximizing the distance from obstacles, effectively balancing these competing objectives to ensure safety and efficiency. To optimize this cost function, we employ the self-organizing migrating algorithm, a swarm intelligence algorithm inspired by the cooperative and competitive behaviors observed in natural organisms. …”Ensuring efficient and safe trajectory planning for UAVs in complex and dynamic environments is a critical challenge, especially for UAVs that are increasingly deployed in applications like environmental monitoring, disaster management, and surveillance. The primary complications in the safe control...
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1023
Algorithms for Automatic Detection and Location of Infrasound Events in the PSDL System
Publicado 2024-12-01“…The implemented algorithm is optimized for working with arrays consisting of a large number of sensors, which allows minimizing the computational load on the monitoring system in near-real time mode. …”The paper presents a description of an automated system and the algorithms implemented in it for detection, association and location of low-frequency acoustic events based on infrasound array data. An algorithm for detecting infrasound signals by calculating the cross-correlation function between re...
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1024
Methods and Algorithms for Predictive Analytics of Time Series in Energy Consumption
Publicado 2024-03-01“…Most of them should be viewed as early exploratory work demonstrating the potential of using machine learning algorithms to solve applied problems in energy consumption.…”In the face of the climate crisis caused by global warming and large fluctuations in energy costs, urgent and proactive action on energy consumption is needed. States must minimize carbon dioxide emissions and businesses must optimize their energy costs. In this regard, improving energy efficiency p...
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1025
Bioresource collections: algorithms for development and functioning; basic and applied significance
Publicado 2023-12-01Enlace del recursoBioresource collection of the N. N. Blokhin National Medical Research Center of Oncology is a unique structured biobank that combines different types of primary and subsidiary samples and ensures its comprehensive characterization, including both generally accepted indicators and specific types of r...
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1026
Perioperative Management of Patients Receiving Antithrombotic Therapy in Schemes and Algorithms
Publicado 2023-01-01“…The algorithms and schemes presented in the article for the perioperative management of patients with non-cardiac interventions are aimed at standardizing the management of patients before non-cardiac surgical interventions, which will reduce hemorrhagic risks in the presence of the necessary antithrombotic therapy.…”Currently, antithrombotic therapy is the basis of the pathogenetic treatment of many cardiovascular diseases, such as coronary heart disease, stroke, peripheral vascular disease, as well as mechanical heart valves, heart rhythm disturbances, venous thromboembolism. At the same time, chronic use of a...
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1027
Pig Detection Algorithm Based on Sliding Windows and PCA Convolution
Publicado 2019-01-01“…By calculating the omission detection rate, the misdetection rate, and the average detection time, it can be seen that in the detection methods of the proposed algorithm, BING + PCANet, faster rcnn and yolo, the performance of the proposed algorithm was optimal.…”An accurate and rapid pig detection algorithm based on video image processing technology can be helpful to identify abnormal pigs and take timely measures to reduce the incidence of diseases. In order to solve the problems of low computational efficiency and low precision in pig detection algorithm...
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1028
Diagnostic Algorithm for Joint Pain in Patients with Inflammatory Bowel Disorders
Publicado 2022-01-01“…A clinically verified algorithm coupled with laboratory tests and instrumental imaging facilitates diagnosis and optimal therapy selection in IBD patients with complaints of joint pain.…”Aim. An algorithm development for joint pain differential diagnosis in patients with inflammatory bowel disorders (IBD) and its validation in clinical practice.Materials and methods. A total of 349 IBD patients hospitalised for gastroenterological complaints at the Chelyabinsk Regional Clinical Hosp...
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1029
ALGORITHM OF PSYCHOLOGICAL AND PSYCHOTHERAPEUTIC SUPPORT OF PATIENTS WITH CHRONIC CEREBRAL ISCHEMIA
Publicado 2018-06-01“…The indicators of the effectiveness of psychological and psychotherapeutic correction in patients with ES CCI were: positive dynamics of the Scale of quality of life SF-36 and regression of integrative indicators of the Scale of psychopathological manifestations of SCL-90-R – «Index of overall severity of symptoms» and «Total number of affirmative answers». Thus, the algorithm described above is suitable for use in practical healthcare for optimizing individual therapeutic strategies.…”Introduction. Nowadays, it is important to study the mechanisms of psychological adaptation in patients with early stage of chronic cerebral ischemia (ES CCI) from the standpoint of biopsychosocial approach. The objective of the study was to develop the algorithm for identifying psychosocial charact...
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1030
The clinical and laboratory algorithm for the diagnosis of acute cytomegalovirus infection in children
Publicado 2019-12-01Enlace del recursoThe aim. of the study is to optimize the Iaboratory diagnosis of cytomegaIovirus infection in chiIdren by finding cIinicaI and Iaboratory predictors corresponding to the acute stage of infection.MateriaIs and methods. The resuIts of 65 chiIdren age from 1 to 3 years outpatient of with cytomegaIoviru...
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1031
Combined approximation algorithms for interactive design of road routes in CAD
Publicado 2023-08-01“…The aim of the work is to create algorithms for approximating a sequence of points on a plane by arcs of clothoids and circles. …”Objectives. The aim of the work is to create algorithms for approximating a sequence of points on a plane by arcs of clothoids and circles. Such a problem typically arises in the design of railroad and highway routes. The plan (projection onto a horizontal plane) of the road route is a curve (spline...
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1032
Energy Optimization in Hotels: Strategies for Efficiency in Hot Water Systems
Publicado 2025-05-01“…The optimization is implemented using genetic algorithms (GA), which enable the identification of the most efficient flow configurations under variable thermal demand conditions. …”This paper presents a procedure for the energy optimization of domestic hot water (DHW) systems in hotels located in tropical climates that use centralized air conditioning systems. The study aims to maximize heat recovery from chillers and reduce the fuel consumption of auxiliary heaters by optimiz...
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1033
Hybrid Adaptive Sheep Flock Optimization and Gradient Descent Optimization for Energy Management in a Grid-Connected Microgrid
Publicado 2025-05-01“…Results demonstrate the efficiency of the proposed hybrid algorithm, achieving substantial improvements in energy efficiency and cost reduction compared to traditional methods like interior point optimization, gradient descent, branch and bound, and a population-based algorithm named Golden Jackal optimization. …”Distributed generation has emerged as a viable solution to supplement traditional grid problems and lessen their negative effects on the environment worldwide. Nevertheless, distributed generation issues are unpredictable and intermittent and impede the power system’s ability to operate effectively....
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1034
A Software Defined Network of Video Surveillance System Based on Enhanced Routing Algorithms
Publicado 2020-03-01“…Then, because the limitation of Bellman ford algorithm, the Dijkstra algorithm is used to change the path when a congestion occurs. …”Software Defined Network (SDN) is a new technology that separate the control plane from the data plane. SDN provides a choice in automation and programmability faster than traditional network. It supports the Quality of Service (QoS) for video surveillance application. One of most significant is...
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1035
Event-Triggered Fault-Tolerant ADRC for Variable-Load Quadrotor with Prescribed Performance
Publicado 2025-06-01Materias: Enlace del recursoThis study proposes an event-triggered fault-tolerant active disturbance rejection control (ADRC) method for variable-load quadrotors with prescribed performance. The quadrotor, as a nonlinear and underactuated system, faces challenges such as payload variations, actuator faults, and external distur...
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1036
A de-noising method for photoplethysmographic signals based on CoatiOA-VMD-WT
Publicado 2025-05-01Materias: Enlace del recursoIn the process of collecting photoplethysmographic (PPG) signals, it is particularly susceptible to noise from the environment and the object being collected, which can cause a large gap between the collected signal and the true value. In response to this problem, a method for denoising PPG signals...
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1037
Assessing and Reducing Energy Consumption of Grain Cleaning and Drying Equipment
Publicado 2019-12-01Materias: Enlace del recursoReducing energy costs of using grain cleaning and drying equipment is an urgent, but difficult task for agricultural producers. When organizing the operation of grain drying equipment, the problem arises of forming optimal configuration options for production lines from the standpoint of energy savi...
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1038
Prediction of Thyroid Classes Using Feature Selection of AEHOA Based CNN Model for Healthy Lifestyle
Publicado 2024-05-01Materias: “…Adaptive Elephant Herd Optimization Algorithm, Convolutional Neural Network, Hyperthyroidism Imbalanced data, Machine Learning, Synthetic Minority Over-sampling Technique…”People with underactive thyroids frequently endure severe symptoms. Correct classification and machine learning substantially improve thyroid disease diagnosis. This precise classification will impact the timely delivery of care to the patients. Although diagnostic techniques exist, they frequently...
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1039
SELECTIVE-PERMUTATIONAL METHOD FOR SOLVING PROBLEMS ON PARALLEL DISTRIBUTION OF TASKS AMONG PERFORMERS: SINGLE PERMUTATIONS
Publicado 2011-09-01Materias: Enlace del recursoA new for the classical scheduling theory approach to solving distribution problems is offered. The approach is based on the introduction of the concepts of distribution matrices, estimate criteria of their properties and a developed algorithm of their enhancing transformations. The method named ‘se...
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1040
Prediction Analysis of Pre-Camber for Continuous Girder Bridge Cantilever Casting Construction Based on DBO-CNN-BiLSTM-Attention Neural Network
Publicado 2025-06-01Materias: Enlace del recursoDuring the cantilever casting construction process of continuous girder bridges, it is crucial to accurately predict the pre-camber of each cantilever segment to ensure smooth closure of the bridge, structural safety, and construction quality. However, traditional methods for predicting pre-camber h...
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