Informacionno-technologicheskij vestnik最新文献

Assessment of the Readiness of the Equipment of the Launch Space Complex at the Early Stages of its Creation 发射空间综合设施在其创建的早期阶段的设备准备情况评估

Informacionno-technologicheskij vestnik Pub Date : 2021-12-15 DOI: 10.21499/2409-1650-30-4-74-82

Л.В. Эртман, В.Б. Рудаков

{"title":"Assessment of the Readiness of the Equipment of the Launch Space Complex at the Early Stages of its Creation","authors":"Л.В. Эртман, В.Б. Рудаков","doi":"10.21499/2409-1650-30-4-74-82","DOIUrl":"https://doi.org/10.21499/2409-1650-30-4-74-82","url":null,"abstract":"Оценивание готовности оборудования стартового космического комплекса (СКК) на этапе его создания вызывает существенные затруднения вследствие отсутствия или недостаточного объема экспериментальных данных о характеристиках его надежности. В настоящей статье предлагается осуществлять оценивание готовности СКК на основе таких характеристик как: характеристики надежности его элементов, структурная схема надежности на уровне элементов, алгоритм его функционирования в период дежурства, проектные значения показателей восстановления работоспособного состояния при возникновении отказа, проектные характеристики системы диагностики. Предлагаются математические зависимости и способы имитационного моделирования, которые используют данные характеристики СКК для расчета коэффициента готовности СКК.\u0000 Assessing the readiness of the equipment of the launch space complex (LSC) at the stage of its creation causes significant difficulties due to the lack or insufficient amount of experimental data on the characteristics of its reliability. In the article, we propose to evaluate the readiness of the LSC based on such characteristics as: reliability characteristics of its elements, a structural diagram of reliability at the level of elements, an algorithm for its operating during duty, project values of indicators for restoring the operational state in the event of a failure, project characteristics of the diagnostic system. In addition, we propose mathematical dependencies and simulation methods used these LSC characteristics for calculating of the LSC readiness coefficient.","PeriodicalId":424160,"journal":{"name":"Informacionno-technologicheskij vestnik","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114550076","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The accuracy of measuring the information parameter of the signal by a tracking meter in aviation and rocket and space technology against the background of additive and multiplicative interference. Measurement of arrival time. Part III 在加性和乘性干扰背景下，航空、火箭和航天技术中跟踪仪测量信号信息参数的精度。到达时间的测量。第三部分

Informacionno-technologicheskij vestnik Pub Date : 2021-12-15 DOI: 10.21499/2409-1650-30-4-3-15

Владимир Артюшенко, В.И. Воловач

{"title":"The accuracy of measuring the information parameter of the signal by a tracking meter in aviation and rocket and space technology against the background of additive and multiplicative interference. Measurement of arrival time. Part III","authors":"Владимир Артюшенко, В.И. Воловач","doi":"10.21499/2409-1650-30-4-3-15","DOIUrl":"https://doi.org/10.21499/2409-1650-30-4-3-15","url":null,"abstract":"Рассмотрено и проанализировано влияние мультипликативных помех, действующих одновременного с аддитивными помехами, на точность измерения времени прихода информационного сигнала следящим измерителем. Проанализированы зависимости отношения дисперсии измерения времени прихода при наличии мультипликативных и аддитивных помех к дисперсии измерения времени прихода при наличии только аддитивных помех.\u0000 The influence of multiplicative interference acting simultaneously with additive interference on the accuracy of measuring the time of arrival of the information signal by the tracking meter is considered and analyzed. The dependences of the ratio of the variance of the arrival time measurement in the presence of multiplicative and additive interference to the variance of the arrival time measurement in the presence of only additive interference are analyzed.","PeriodicalId":424160,"journal":{"name":"Informacionno-technologicheskij vestnik","volume":"28 11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115171578","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Study of neural network approach application in face detection problem 神经网络方法在人脸检测问题中的应用研究

Informacionno-technologicheskij vestnik Pub Date : 2021-12-15 DOI: 10.21499/2409-1650-30-4-111-117

И.А. Крысин, К.А. Гаврилов

{"title":"Study of neural network approach application in face detection problem","authors":"И.А. Крысин, К.А. Гаврилов","doi":"10.21499/2409-1650-30-4-111-117","DOIUrl":"https://doi.org/10.21499/2409-1650-30-4-111-117","url":null,"abstract":"В статье приводится исследование применения сверточных нейронных сетей с разными структурами при решении задачи обнаружения лиц. Приводятся тесты и сравнение эффективности в сравнении с алгоритмом Viola-Jones по оценкам точности и скорости обработки. Проверяется точность при обнаружении лиц с очками. Результаты доказали возможность применения нейросетевого подхода. В статье описываются возможные варианты применения нейронных сетей в гибриде с алгоритмом Viola-Jones для более эффективного решения.\u0000 The article brings study of convolutional neural network with various structures application in face detection problem. Tests and effectiveness comparison to Viola-Jones algorithm are carried out in terms of accuracy and speed of processing. Accuracy on face detection with glasses is tested. Results proved the ability of neural network approach application. The article describes possible options of using neural networks with Viola-Jones algorithm to improve performance on the solution.","PeriodicalId":424160,"journal":{"name":"Informacionno-technologicheskij vestnik","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128151954","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Application of clustering and machine learning for building of a recommendation system for determining of scientific articles relevance 应用聚类和机器学习建立一个科学文章相关性的推荐系统

Informacionno-technologicheskij vestnik Pub Date : 2021-12-15 DOI: 10.21499/2409-1650-30-4-89-102

О.П. Мосалов, И.А. Иванов, М.А. Першин

引用次数: 0

Conceptual foundations of the numerical expert method of synergetic optimization of complex rocket and space objects during their research advance design 研究推进设计中复杂火箭与空间物体协同优化数值专家法的概念基础

Informacionno-technologicheskij vestnik Pub Date : 2021-12-15 DOI: 10.21499/2409-1650-30-4-42-48

Г.Г. Вокин, О.В. Егоров

{"title":"Conceptual foundations of the numerical expert method of synergetic optimization of complex rocket and space objects during their research advance design","authors":"Г.Г. Вокин, О.В. Егоров","doi":"10.21499/2409-1650-30-4-42-48","DOIUrl":"https://doi.org/10.21499/2409-1650-30-4-42-48","url":null,"abstract":"В статье излагаются основы предлагаемого метода выбора параметров сложных проектируемых объектов в заданных диапазонах их значений, которые отыскиваются, исходя из условия, что ведущие показатели эффективности будут достигать максимальных значений, а сопутствующие показатели будут находиться в заданных диапазонах ограничений. Метод является, по существу, инструментом компьютерной поддержки проектантов при поисковом исследовательском аванпроектировании сложных технических объектов, нацелен в конечном итоге на выбор синергетически оптимальных конструкторских решений и сокращение трудозатрат на этапе поиска и формирования предпочтительных вариантов технических обликов проектируемых изделий ракетно-космической техники.\u0000 The article outlines the basics of the proposed method for selecting the parameters of complex projected objects in the specified ranges of their values, which are found based on the condition that the leading performance indicators will reach the maximum values, and the accompanying indicators will be in the specified ranges of values. The method is, in essence, a tool for computer support of designers in the search and research design of complex technical objects, aimed ultimately at choosing synergistically optimal design solutions and reducing labor costs at the stage of searching and forming preferred variants of the technical appearance of the designed products of rocket and space technology.","PeriodicalId":424160,"journal":{"name":"Informacionno-technologicheskij vestnik","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126763479","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Statistical Control of the Reliability of Rocket and Space Technology Systems with a Consistent Structure at the Stage of Ground Testing 具有一致结构的火箭和空间技术系统在地面试验阶段可靠性的统计控制

Informacionno-technologicheskij vestnik Pub Date : 2021-12-15 DOI: 10.21499/2409-1650-30-4-49-61

В.Б. Рудаков

{"title":"Statistical Control of the Reliability of Rocket and Space Technology Systems with a Consistent Structure at the Stage of Ground Testing","authors":"В.Б. Рудаков","doi":"10.21499/2409-1650-30-4-49-61","DOIUrl":"https://doi.org/10.21499/2409-1650-30-4-49-61","url":null,"abstract":"Рассматривается статистический контроль надежности сложных систем ракетно-космической техники (РКТ), состоящих из независимых последовательно соединенных компонент. При этом для компонент и системы в целом проводится контроль совокупностей заданных значений их технических параметров, предшествующий контролю заданного значения показателя надежности системы в целом. Впервые получены математические зависимости для определения достоверности контроля надежности систем с последовательной структурой, которые учитывают результаты предшествующего структурно-иерархического контроля их технических параметров. Практическое использование этих зависимостей приводит к повышению достоверности контроля заданных требований к надежности систем с последовательной структурой, снижению рисков принятия ошибочных решений и сокращению экономических затрат на наземную отработку.\u0000 In the article it is considered the statistical control of reliability of complex systems of rocket and space technology (RST) consisting of independent sequentially connected components. At the same time, it is carried out the control of the sets of set values of the technical parameters for the components and the system as a whole preceding the control of the set value of the reliability indicator of the system. For the first time, mathematical dependences were obtained to determine the reliability of reliability control of systems with a sequential structure, which take into account the results of the previous structural and hierarchical control of their technical parameters. The practical use of these dependencies leads to an increase in the reliability of the control of the specified requirements for the reliability of systems with a consistent structure, reducing the risks of making erroneous decisions and reducing the economic costs of ground testing.","PeriodicalId":424160,"journal":{"name":"Informacionno-technologicheskij vestnik","volume":"95 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126465362","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Prospects for the use of composite flame-retardant materials for fire-fighting purposes 复合阻燃材料在消防中的应用前景

Informacionno-technologicheskij vestnik Pub Date : 2021-12-15 DOI: 10.21499/2409-1650-30-4-137-147

В.В. Абразумов, С.В. Фролов, О.В. Токарева

{"title":"Prospects for the use of composite flame-retardant materials for fire-fighting purposes","authors":"В.В. Абразумов, С.В. Фролов, О.В. Токарева","doi":"10.21499/2409-1650-30-4-137-147","DOIUrl":"https://doi.org/10.21499/2409-1650-30-4-137-147","url":null,"abstract":"В статье представлен обзор существующих огнезащитных материалов и покрытий для целей противопожарной защиты конструкций и личного состава пожарных формирований. Рассмотрены механизмы действия компонентов огнезащитных покрытий в условиях действия конвективных потоков тепловой энергии. Выполнен обзор современных огнестойких экранов для защиты пожарных при тушении техногенных пожаров. Предложены пути разработки огнестойких материалов для создания защитных укрытий при тушении лесных пожаров в экстремальных условиях.\u0000 The article presents an overview of existing fire-retardant materials and coatings for the purposes of fire protection of structures and personnel of fire brigades. The mechanisms of action of the components of flame-retardant coatings under the action of convective heat energy flows are considered. A review of modern fire-resistant screens for the protection of firefighters in extinguishing man-made fires has been carried out. The ways of developing fire-resistant materials for creating protective shelters for extinguishing forest fires are proposed in extreme conditions.","PeriodicalId":424160,"journal":{"name":"Informacionno-technologicheskij vestnik","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128804031","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Mechanical activation of zirconium with a degradable polymer in various atmospheres 可降解聚合物在不同环境下对锆的机械活化

Informacionno-technologicheskij vestnik Pub Date : 2021-12-15 DOI: 10.21499/2409-1650-30-4-148-154

Вера Алексеевна Титова, Виктор Петрович Рева

引用次数: 0

Numerical and expert-oriented method of choosing the parameters of Sun-synchronous orbits for wide-scale monitoring Northern Russia regions 俄罗斯北部地区大尺度监测太阳同步轨道参数选择的数值和专家导向方法

Informacionno-technologicheskij vestnik Pub Date : 2021-12-15 DOI: 10.21499/2409-1650-30-4-62-73

Г.Н. Степанов

{"title":"Numerical and expert-oriented method of choosing the parameters of Sun-synchronous orbits for wide-scale monitoring Northern Russia regions","authors":"Г.Н. Степанов","doi":"10.21499/2409-1650-30-4-62-73","DOIUrl":"https://doi.org/10.21499/2409-1650-30-4-62-73","url":null,"abstract":"Среди многообразия различных типов орбит выделяется класс солнечно-синхронных (ССО). Традиционно они используются космическими аппаратами дистанционного зондирования Земли (ДЗЗ). В статье приводятся результаты оценки и анализа параметров солнечно-синхронных круговых орбит с целью обеспечения оптимальных режимов освещённости трассы КА, характеристик обзора поверхности Земли, видимости КА с наземных пунктов с учетом требований и ограничений.\u0000 Among the variety of orbits, sun synchronous orbit holds a special place. They are traditionally employed by Earth surveying spacecraft. Article covers evaluation results and parameters analysis for circular sun synchronous orbits - to ensure optimal illumination along satellite ground track, Earth surface observational conditions, satellite visibility from ground stations with related requirements and limitations.","PeriodicalId":424160,"journal":{"name":"Informacionno-technologicheskij vestnik","volume":"10 4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116931998","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Quality assessment of digital processing of images obtained by aerial photography with unmanned aerial vehicles 无人机航拍图像数字处理质量评价

Informacionno-technologicheskij vestnik Pub Date : 2021-12-15 DOI: 10.21499/2409-1650-30-4-83-88

Д.С. Арешев

{"title":"Quality assessment of digital processing of images obtained by aerial photography with unmanned aerial vehicles","authors":"Д.С. Арешев","doi":"10.21499/2409-1650-30-4-83-88","DOIUrl":"https://doi.org/10.21499/2409-1650-30-4-83-88","url":null,"abstract":"Аэрофотосъемка и воздушная фотограмметрия с использованием беспилотных летательных аппаратов обеспечивают качество фотографий, не уступающее качеству, достигаемому при наземной фотосъемке, вместе с тем, использование беспилотных летательных аппаратов предоставляет более широкие возможности для формирования трехмерных изображений различных объектов, по сравнению с наземной фотосъемкой. Цифровая обработка видеоинформации, полученной при помощи фотокамеры, установленной на беспилотном летательном аппарате, требует проведения большого объема вычислений, поэтому актуальной задачей является оценка качества получаемого изображения для оптимизации алгоритмов обработки.\u0000 Aerial photography and aerial photogrammetry with unmanned aerial vehicles provides photo quality not worse than the quality оf ground photography, however unmanned aerial vehicles provides more potential for getting 3D images of various objects than ground photography. Digital processing of video information obtained with a camera mounted on an unmanned aerial vehicle requires a great amount of calculations therefore quality assessment of the resulting images is an actual task to optimize processing algorithms.","PeriodicalId":424160,"journal":{"name":"Informacionno-technologicheskij vestnik","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132875770","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0