Problem statement. The predominance of effective innovation industries, where scientific developments are the main driving force of the economy is a distinguisher of the manufacturing process in a postindustrial society. Estimate for management efficiency of a high-tech enterprise in the conditions of active innovation activity becomes relevant.The purpose. The article consider military-industrial complex enterprises of the Russian Federation, which work in constantly changing conditions of resource, legislative or other restrictions. The manufacturing of small-scale products with a given quality and reliability with limited financial resources is one of the features of such enterprises. The article examine the methodology for analyzing the enterprise performance indicators that produces special-purpose products and works in accordance with the requirements [1] of manufacturing and usage of serial products.Results. The article considered the estimate options for complex performance indicator of the product quality and reliability management system, evaluating the effectiveness of the input control, [serial products] usage and manufacturing processes.Practical relevance. The proposed method allows identifying the maximum number of product defects, with a glance of the practical development of the technology for their creation and the manufacturing process organizational and technical features.
Военно-космическая академия имени А. Ф. Можайского, Санкт-Петербург, Россия МЕТОД ОБРАБОТКИ ГАРМОНИЧЕСКИХ СИГНАЛОВ В БОРТОВОЙ РАДИОТЕХНИЧЕСКОЙ СТАНЦИИ C СИНТЕЗИРОВАНИЕМ АПЕРТУРЫ ПУТЕМ ВРАЩЕНИЯ АНТЕННЫ, УСТАНОВЛЕННОЙ НА ЛОПАСТИ ВИНТА ВЕРТОЛЕТА Рассмотрено функционирование установленной на борту вертолета радиотехнической станции с ненаправленными антеннами в режиме приема гармонического излучения. Получены результаты расчетов основных характеристик и обработки принимаемых сигналов с использованием компьютерного имитационного моделирования. Выявлен факт возникновения дополнительных отсчетов, которые привели к появлению неоднозначности определения угловых координат цели, сдвинутых на π радиан. Отмеченную неоднозначность измерений можно устранить с помощью использования в системе центральной направленной антенны. Определены условия и параметры для формирования предпочтительных режимов применения синтеза апертуры, а также характеристики, определяющие динамику носителя антенны. Ключевые слова: метод обзора земной поверхности, вертолетная приемная станция, синтезирование апертуры, направленные свойства антенны, источник наземного радиоизлучения.
A lot of network management tasks require a description of the logical and physical computer network topology. Obtaining such a description in an automatic way is complicated due to the possibility of incompleteness and incorrectness of the initial data on the network structure. This article provides a study on the properties of incomplete initial data on network device connectivity on the link layer. Methods for generalized handling of the heterogeneous input data on the link layer are included. We describe models and methods for deriving a missing part of the data, as well as the condition in which it is possible to get a single correct network topology description. The article includes algorithms for building a link layer topology description from incomplete data when this data is possible to fulfill up to the required level. Also, we provide methods for detecting and resolving an ambiguity in the data and methods for improving incorrect initial data. The tests and evaluations provided in the article demonstrate the applicability and effectiveness of the build methods for discovering various heterogeneous real-life networks. Additionally, we show the advantages of the provided methods over the previous analogs: our methods are able to derive up to 99% data on link layer connectivity in polynomial time; able to provide a correct solution from an ambiguous data.
Представлен вариант навигационного обеспечения автономного подводного объекта системы мониторинга и управления технологическими процессами при разведке и добыче полезных ископаемых, обслуживании подводных трубопроводов и инженерных сооружений с использованием буксируемого устройства, оснащенного аппаратурой потребителя космической навигационной системы. Рассмотрен подход, ориентированный на пересчет формируемых в рекуррентном режиме координат буксира в позицию подводного аппарата, благодаря учету параметров их жесткой сцепки при использовании кабель-троса. Предпринята попытка построения методики местоопределения подводного объекта при упрощенных исходных данных. На основе допустимой геометрической интерпретации относительной динамики подводного аппарата и надводной аппаратуры потребителя разработана концепция пересчета фазового центра последнего в центр масс подводного объекта. При усложнении динамики подводного аппарата предложенная методика допускает наращивание исходной модели траектории путем введения соответствующих процедур, учитывающих изменение вектора состояния автономного средства мониторинга. Приводятся результаты статистического компьютерного моделирования процесса рекуррентного оценивания координат подводного объекта при использовании модели состояния, характеризуемой полиномом второго порядка.
The article discusses the procedure for hybrid control of microclimate parameters in a clean room intended for the production of electronics, using a combination of technologies for recurrent estimation and fuzzy regulation. On the basis of the developed procedure, a smooth assessment of the current values of the controlled parameters and compensation control adequate to disturbing influences are provided. The developed technology is designed to provide an increase in the quality indicators of overcoming transient processes, and, consequently, to improve the efficiency of controlling the climate dynamic system during the implementation of the production process for manufacturing electronics with increased requirements for its operational characteristics. Modern information systems are characterized by the rapid development of the capabilities of the used hardware. At the same time, in order to achieve maximum results, the use of artificial intelligence technologies is inevitable, the most effective implementation of which requires adequate consideration of all available information about the controlled production process. In the formulation under consideration, the complexity of the problem is determined by the need to meet mutually conflicting requirements while ensuring specified values of climatic parameters. The specificity of the control problem is determined by the fact that a change (restoration) of the values of one controlled parameter should not lead to a loss of the set values of other climatic parameters. To achieve the described target effect, it is proposed to supplement the procedure of recurrent climate monitoring with a fuzzy logic mechanism when changing values of climatic parameters.
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