Academic literature on the topic 'Синтез моделі'
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Journal articles on the topic "Синтез моделі"
МАРТИНЕНКО, Олександр. "СИНТЕЗ У СТАТИЧНОМУ Й ДИНАМІЧНОМУ АСПЕКТАХ У ГЕНОЛОГІЇ ПАРМЕНІДА ТА ГЕРАКЛІТА." Human Studies a collection of scientific articles Series of «Philosophy», no. 43 (November 29, 2021): 89–95. http://dx.doi.org/10.24919/2522-4700.43.12.
Full textБойко, А. Д., І. В. Трофименко, and О. В. Бажак. "СИНТЕЗ МОДЕЛІ ТА АЛГОРИТМІВ ПРОЦЕСУ КЕРУВАННЯ РУХОМ СУДНА." Vodnij transport, no. 1(32) (January 27, 2021): 29–35. http://dx.doi.org/10.33298/2226-8553.2021.1.32.04.
Full textSemko, O. "ЛОГІКО-СЕМАНТИЧНА МОДЕЛЬ УПРАВЛІННЯ МАРШРУТИЗАЦІЄЮ ПОТОКІВ ДАНИХ В СЕНСОРНИХ МЕРЕЖАХ." Системи управління, навігації та зв’язку. Збірник наукових праць 6, no. 52 (December 13, 2018): 135–39. http://dx.doi.org/10.26906/sunz.2018.6.135.
Full textЛорія, М. Г., О. Б. Целіщев, O. A. Купіна, and Гома Ахмед Гезеві Абдалхалех. "Математична модель вузла охолодження та конденсації метанолу." ВІСНИК СХІДНОУКРАЇНСЬКОГО НАЦІОНАЛЬНОГО УНІВЕРСИТЕТУ імені Володимира Даля, no. 7 (263) (December 10, 2020): 71–77. http://dx.doi.org/10.33216/1998-7927-2020-263-7-71-77.
Full textKuchuk, N. "СИНТЕЗ МЕРЕЖЕВОЇ МОДЕЛІ КОМП’ЮТЕРНОЇ СИСТЕМИ НА ГІПЕРКОНВЕРГЕНТНІЙ ПЛАТФОРМІ." Системи управління, навігації та зв’язку. Збірник наукових праць 1, no. 59 (February 26, 2020): 86–92. http://dx.doi.org/10.26906/sunz.2020.1.086.
Full textКупіна, О. А., М. Г. Лорія, О. Б. Целіщев, and Гезеві Абдалхалех Гома Ахмед. "Алгоритм пошуку оптимального рішення для системи керування з моделлю трьохполичним газовим реактором у виробництві аміаку." ВІСНИК СХІДНОУКРАЇНСЬКОГО НАЦІОНАЛЬНОГО УНІВЕРСИТЕТУ імені Володимира Даля, no. 2 (266) (March 13, 2021): 20–25. http://dx.doi.org/10.33216/1998-7927-2021-266-2-20-25.
Full textЮрчишена, Людмила. "Генезис підходів до понять «модель» та «економічна модель»." Фінансовий простір, no. 4(44) (December 28, 2021): 88–98. http://dx.doi.org/10.18371/fp.4(44).2021.889810.
Full textМіщенко, С. О., І. М. Глікіна, and М. А. Глікін. "Створення технологічної схеми процесу отримання етилену з біоетанолу в умовах аерозольного нанокаталізу за допомогою програми ChemCad." ВІСНИК СХІДНОУКРАЇНСЬКОГО НАЦІОНАЛЬНОГО УНІВЕРСИТЕТУ імені Володимира Даля, no. 2 (266) (March 13, 2021): 85–89. http://dx.doi.org/10.33216/1998-7927-2021-266-2-85-89.
Full textНазар, Максим Миколайович, and Дмитро Сергійович Мещеряков. "До питання розробки та застосування моделі учасника Інтернет-тренінгів." New computer technology 17 (June 25, 2019): 129–34. http://dx.doi.org/10.55056/nocote.v17i0.955.
Full textSeverin, V., and E. Nikulina. "Синтез оптимальних систем автоматичного керування енергоблока АЕС у нормальних режимах експлуатації." Nuclear and Radiation Safety, no. 3(59) (September 18, 2013): 62–68. http://dx.doi.org/10.32918/nrs.2013.3(59).11.
Full textDissertations / Theses on the topic "Синтез моделі"
Матео, Теран Гарсія Пауло. "Варіантне автоматизоване конструювання крила регіонального літака." Master's thesis, КПІ ім. Ігоря Сікорського, 2020. https://ela.kpi.ua/handle/123456789/39400.
Full textБлиндюк, Василь Степанович, Василий Степанович Блиндюк, and Vasiliy S. Blindyuk. "Методи та моделі прогнозування ефективних параметрів керування тяговим електроприводом моторвагонного рухомого складу." Thesis, Видавництво ТОВ «Енергозберігаючі технології», м. Харків, 2014. http://eadnurt.diit.edu.ua:82/jspui/handle/123456789/2155.
Full textUA: АНОТАЦІЯ Дисертація присвячена вирішенню науково-прикладної проблеми підвищення енергетичної ефективності роботи та зменшення експлуатаційних витрат тягових електроприводів моторвагонного рухомого складу. У роботі встановлено й теоретично обґрунтовано можливість оптимізації процесу руху електропоїздів за критерієм мінімальної витрати електроенергії при дотриманні діючих обмежень на керування, швидкість і прискорення. Розроблено математичні та нейромережеві моделі іскрового струму, боксовання та теплових режимів роботи тягових двигунів, що функціонують у реальному часі. Проведено моделювання пускових характеристик тягових двигунів та синтез оптимального приймача іскрової компоненти струму якоря. Загальна сума очікуваного економічного ефекту від розроблення й застосування запропонованих у роботі методів і моделей прогнозування ефективних параметрів керування тяговим електроприводом моторвагонного рухомого складу з урахуванням зміни вартості грошей у часі протягом шести років складе 29571,6 тис. грн.
RU: АННОТАЦИЯ Диссертационная работа посвящена решению научно-прикладной проблемы повышения энергетической эффективности работы и уменьшения эксплуатационных расходов тяговых электроприводов моторвагонного подвижного состава. Основываясь на принципах геометрической теории управления, в работе была установлена и теоретически обоснована возможность оптимизации процесса движения электропоездов по критерию минимального расхода электроэнергии при соблюдении действующих ограничений на управление, скорость и ускорение. В основу сформированного комплекса моделей и синтеза оптимальных управлений тяговым электроприводом постоянного тока положены системы уравнений в форме Бруновского и принцип максимума Понтрягина. На основе нейронных сетей адаптивной резонансной теории созданы научные основы управления тяговым электроприводом подвижного состава с учетом ограничений относительно коммутации, температуры двигателей и боксовання. Разработаны модели и методы управления моторвагонным подвижным составом, которые адекватно воссоздают процессы, протекающие в системах управления тяговым электроприводом и позволяют провести моделирование его контуров управления. С целью оптимизации пусковых режимов работы тяговых двигателей на модели проведены исследования разгона электропоезда при различных варьируемых (ток, профиль пути, степень загрузки вагона) параметрах движения. В процессе исследований минимизировался функционал, который представляет собой линейную взвешенную комбинацию квадрата управления и времени разгона подвижного состава. Проведено моделирования пусковых характеристик тяговых двигателей с применением прямого и обратного комплексного преобразования Фурье. Для оценки воздействия коммутационных процессов на временную структуру тягового тока разработана математическая модель искрового тока тягового двигателя и проведен синтез оптимального приемника искровой компоненты тока якоря. Разработана нейросетевая динамическая модель устройства оценки степени искрения тягового двигателя, которая позволяет путем аналитического описания искровой компоненты тока якоря обеспечить возможность последующей ее оптимальной фильтрации в условиях действия внешних и внутренних помех. При этом сформулированы функциональные требования относительно модели, сформированы принципы разработки учебной последовательности для получения запланированных результатов и выполнен анализ исходных сигналов в амплитудной, частотной и фазовой областях. На основе динамической нейронной сети типа NARX с модифицированным алгоритмом обучения методом обратного распространения погрешности разработаны тепловые нейросетевые модели тяговых двигателей, функционирующие в реальном масштабе времени. Разработанные модели позволяют контролировать как текущее тепловое состояние тяговых двигателей, так и прогнозировать их дальнейшую работу с учетом предыдущего состояния и индивидуальных особенностей. Во избежание выхода из строя тяговых двигателей и сохранения работоспособности тягового электропривода в случаях превышения допустимых значений относительно коммутации, температуры и боксовання, предложено ввести в систему его управления соответствующие ограничения. С этой целью в схему управления моторвагонным подвижным составом введено дополнительное оборудование, функционирование которого построено на использовании нейронных сетей адаптивной резонансной теории и математических моделях, основанных на таксономическом показателе и реализованных с помощью рекуррентной нейронной сети RTRN, что позволило разработать новые методы управления тяговым электроприводом, которые учитывают ограничения относительно коммутации, температуры и боксования, а также позволяют контролировать в реальном времени техническое состояние тяговых двигателей. Общая сумма ожидаемого экономического эффекта от разработки и применения предлагаемых в работе методов и моделей прогнозирования эффективных параметров управления тяговым электроприводом моторвагонного подвижного состава с учетом изменения стоимости денег во времени в течение шести лет составит 29571,6 тыс. грн.
EN: ANNOTATION The thesis deals with engineering solutions to formation of methods and models for power efficient control of electric traction drives of EMU rolling stock. Principles of the geometric control theory have made it possible to establish and theoretically substantiate the possibility to optimize the process of electric train movement with minimal electric power consumption subject to effective limitations on control, speed and acceleration. Equation systems in Brunovsky’s form and Pontryagin’s Maximum Principle are the basis of a set of models designed and synthesis of an optimal control of DC electric traction drives. It has been designed a neural network dynamic model of traction engine sparking, and made synthesis of an optimal collector for armature current in sparking. Use of neural networks of the adaptive resonance theory (ART) and mathematical models, based on the taxonomic character, and implemented with the recurrent neural network RTRN has made it possible to develop new control methods of an electric traction drive, which take into account limitations on commutation, temperature and skidding, as well as real time control over power engines’ technical condition. It has been developed the mathematical model and neural network modelling of starting characteristics of traction engines with the direct and inverse complex Fourier transform. It has been developed neural network models of thermal conditions of traction engines with NARX dynamic neural network and models of the modified error back propagation training algorithm. The total saving rate of development and implementation of the control system of electric traction drives of EMU rolling stock subject to the time value of money within a six-year period will account for UAH 29,571,600.
Українська державна академія залізничного транспорту, м. Харків
Кучук, Ніна Георгіївна. "Моделі та методи синтезу інформаційних структур для комп’ютерних систем на інтегрованих програмних платформах." Thesis, Національний технічний університет "Харківський політехнічний інститут", 2020. http://repository.kpi.kharkov.ua/handle/KhPI-Press/49174.
Full textDissertation for the degree of Doctor of Technical Sciences in the specialty of 05.13.05 – ComputerSystems and Components (123 – Computerengineering). – National Technical University "Kharkiv Polytechnic Institute", Ministry of Education and Science of Ukraine, Kharkiv, 2020. The thesis is devoted to solving actual scientific and technical problem of increasing the efficiency of the information transfer process in computer systems on integrated software platforms. It is based on the development of a mathematical apparatus (mathematical models and methods) for the synthesis of information structures. The analysis of the problem state was carried out. It was revealed that, simultaneously with the increase in the volume of transmitted information in the computer system and the increased requirements for the speed of information transmission, integrated software platforms are increasingly used. As a result, the structure and nature of information flows change qualitatively and quantitatively. This significantly affects the information structures of computer systems and leads to a decrease in efficiency indicators. An analysis of the existing requirements for modern software platforms of computer systems has been carried out. Advantages and disadvantages of centralized, distributed and combined software platforms are highlighted. Based on the analysis, general requirements for the necessary composition of platform software products are formulated. The requirements for the hardware of the core network of the computer system supporting them are also formulated. The analysis showed the feasibility of using integrated software platforms for departmental computer systems. The necessity of increasing the efficiency of transaction processing in the basic networks of computer systems has been proven. Those that use integrated software platforms can be done by using the specific properties of such platforms. This is due to the synthesis of the information structure of the computer system. A complex of interrelated models of the information structure of the computer system and the technical structure of the basic network has been developed. It takes into account the peculiarities of the integrated software platform. The complex is based on a stratified representation of the main constituents of the models. This allows you to take into account the informational relationships between the components of the computer system. It also allows increasing the degree of model adequacy. A set of methods foroperational redistribution of information flows in the basic network of a computer system on an integrated software platform has been developed. This complex takes into account the dynamics of the development of a computer system and the characteristic features of the underlying network. It is based on the operational reconfiguration of the virtual communication channel system. This helps to reduce the average packet delay. A set of methods for synchronizing the information structure of a computer system with the computing resources of the nodes of the basic network has been developed. The complex, which has been developed, takes into account information links between the tasks of a computer system and the possibility of using composite applications. This complex is based on an adaptive approach to finding a rational distribution of tasks between network nodes. The complex allows you to quickly synchronize. Synchronization is focused on reducing the cost of computing resources and increasing the efficiency of information transfer. The method of distribution of information flows along routes in the basic network of a computer system on an integrated software platform has been improved. The method differs from the known ones by using iterative load balancing of hosts. This is what makes it possible to reduce the cost of computing resources. The method of forming an information structure of increased reliability in a computer system on an integrated software platform has been improved. This method differs from the known ones by the simultaneous distribution of information flows along all the main and alternative routes of the core network. This allows, in the event of a failure of any network node, to continue processing transactions of the computer system. The computer system will operate without a significant decrease in service quality indicators and without changing the information structure. The method of optimizing the information structure of a computer system on an integrated software platform has been further developed. The method is based on the use of the mathematical apparatus of genetic algorithms. This device is used at the stage of load distribution of information nodes. This makes it possible to reduce the time spent on synthesizing the information structure and to form a balanced load on the nodes of the core network. The method of selecting an optimal plan for executing transactions of a computer system on an integrated software platform was further developed. A dynamic penalty function was introduced for exceeding time indicators. It is focused on the specifics of the integrated software platform and time scaling. This allows you to reduce the time spent on operational changes to the transaction execution plan. The complex of methods for processing requests to the data storage of a computer system on an integrated software platform has been further developed. A single disk pool was created. The peculiarities of access to the cloud components of the data warehouse were taken into account. This allows distributed heterogeneous components to be included in repositories. It also reduces the execution time of applications that access data warehouse components. The engineering methods and algorithms which has been developed on the basis of the offered models and methods allow: - simulate the information structure of the computer system on an integrated software platform and its basic computer network; - optimize the information structure of the computer system on an integrated software platform and the distribution of information flows along routes in the core network; - increase the operational efficiencyof computer system tasks on an integrated software platform by up to 10%; - reduce the costs of the computing resource of the basic network of a computer system on an integrated software platform up to 5%; - reduce the exploitational cost of a computer system on an integrated software platform by up to 10%; - expand the useful capacity of the data storage by including heterogeneous components and cloud components. Comparative assessment of developed and existing models and methods of synthesis information structures of computer systems on an integrated software platforms was carriedout. Based on the results that were obtained, the effectiveness of the proposed methods was proved. In particular, an assessment of the effectiveness of the subsystem for providing distance learning of the computer system in a technical university was carried out. The results of the integrated application of the proposed methods in the formation to the project of a computer system managing for the production structures of the airport are also presented. Where by increasing the transaction efficiency of information, the customer's requirements were achieved. They were executed relative to the limit of the probability of time bounds.This was done for operational transactions of the computer system with an increase in the load of the basic network.
Кучук, Ніна Георгіївна. "Моделі та методи синтезу інформаційних структур для комп’ютерних систем на інтегрованих програмних платформах." Thesis, Національний технічний університет "Харківський політехнічний інститут", 2020. http://repository.kpi.kharkov.ua/handle/KhPI-Press/49170.
Full textDissertation for the degree of Doctor of Technical Sciences in the specialty of 05.13.05 – Computer Systems and Components. – National Technical University "Kharkiv Polytechnic Institute", Ministry of Education and Science of Ukraine, Kharkiv, 2020. The thesis is devoted to solving actual scientific and technical problem of increasing the efficiency of the information transfer process in computer systems on integrated software platforms. It is based on the development of a mathematical apparatus (mathematical models and methods) for the synthesis of information structures. The analysis of the problem state was carried out. It was revealed that, simultaneously with the increase in the volume of transmitted information in the computer system and the increased requirements for the speed of information transmission, integrated software platforms are increasingly used. As a result, the structure and nature of information flows change qualitatively and quantitatively. This significantly affects the information structur es of computer systems and leads to a decrease in efficiency indicators. A complex of interrelated models of the information structure of the computer system and the technical structure of the basic network has been developed. It takes into account the peculiarities of the integrated software platform. The complex is based on a stratified representation of the main constituents of the models. This allows you to take into account the informational relationships between the components of the computer system. It also allows increasing the degree of model adequacy. A set of methods for operational redistribution of information flows in the basic network of a computer system on an integrated software platform has been developed. This complex takes into account the dynamics of the development of a computer system and the characteristic features of the underlying network. It is based on the operational reconfiguration of the virtual communication channel system. This helps to reduce the average packet delay. A set of methods for synchronizing the information structure of a computer system with the computing resources of the nodes of the basic network has been developed. The complex, which has been developed, takes into account information links between the tasks of a computer system and the possibility of using composite applications. This complex is based on an adaptive approach to finding a rational distribution of tasks between network nodes. The complex allows you to quickly synchronize. Synchronization is focused on reducing the cost of computing resources and increasing the efficiency of information transfer. The method of distribution of information flows along routes in the basic network of a computer system on an integrated software platform has been improved. The method differs from the known ones by using iterative load balancing of hosts. This is what makes it possible to reduce the cost of computing resources. The method of forming an information structure of increased reliability in a computer system on an integrated software platform has been improved. This method differs from the known ones by the simultaneous distribution of information flows along all the main and alternative routes of the core network. This allows, in the event of a failure of any network node, to continue processing transactions of the computer system. The computer system will operate without a significant decrease in service quality indicators and without changing the information structure. The method of optimizing the information structure of a computer system on an integrated software platform has been further developed. The method is based on the use of the mathematical apparatus of genetic algorithms. This device is used at the stage of load distribution of information nodes. This makes it possible to reduce the time spent on synthesizing the information structure and to form a balanced load on the nodes of the core network.The method of selecting an optimal plan for executing transactions of a computer system on an integrated software platform was further developed. A dynamic penalty function was introduced for exceeding time indicators. It is focused on the specifics of the integrated software platform and time scaling. This allows you to reduce the time spent on operational chang es to the transaction execution plan. The complex of methods for processing requests to the data storage of a computer system on an integrated software platform has been further developed. A single disk pool was created. The peculiarities of access to the cloud components of the data warehouse were taken into account. This allows distributed heterogeneous components to be included in repositories. It also reduces the execution time of applications that access data warehouse components.
Бриксін, Володимир Олександрович. "Моделі та методи автоматизованого керування рухом поїзда на основі адаптивної корекції швидкості." Thesis, Український державний університет залізничного транспорту, 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/20138.
Full textDissertation for the degree of candidate of technical Sciences on profession 05.13.03 – management systems and processes – National Technical University "Kharkiv Polytechnical Institute", Kharkiv, 2016. The thesis solves the scientific-and-practical tasks of providing with the required performance for train movement control process based on the adaptive adjustment of its speed with allowance for its non-stationary data and obstacles. Made was the analysis of train movement speed control systems. Defined was the minimum number of therms for a guaranteed accuracy and a required schedule of train movements, made was the analysis of approaches for automated train operation; ground was given to the necessity of using Petri nets with new functional branches for automated train speed control systems; developed was the adaptive regulator of train speed control under the interference effect. The adaptive regulator was put to a pilot study. Synthesized was the architecture of the adaptive filter and regulator ensuring the input signal x(t) to be filtered depending on the current signal/noise ratio, which results in fourfold reducing the transition delay of the control system under a semiconductor converter interference. In comparison with the known ones, this device has an extra parametric output for an identified signal extraction, which is equal to a current signal/noise ratio and usable for an additional regulator adjustment when changing the adaptation factor. While adapting, the data resetting of filter and regulator adjustment in a wide band of its change takes place.
Бриксін, Володимир Олександрович. "Моделі та методи автоматизованого керування рухом поїзда на основі адаптивної корекції швидкості." Thesis, НТУ "ХПІ", 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/20137.
Full textDissertation for the degree of candidate of technical Sciences on profession 05.13.03 – management systems and processes – National Technical University "Kharkiv Polytechnical Institute", Kharkiv, 2016. The thesis solves the scientific-and-practical tasks of providing with the required performance for train movement control process based on the adaptive adjustment of its speed with allowance for its non-stationary data and obstacles. Made was the analysis of train movement speed control systems. Defined was the minimum number of therms for a guaranteed accuracy and a required schedule of train movements, made was the analysis of approaches for automated train operation; ground was given to the necessity of using Petri nets with new functional branches for automated train speed control systems; developed was the adaptive regulator of train speed control under the interference effect. The adaptive regulator was put to a pilot study. Synthesized was the architecture of the adaptive filter and regulator ensuring the input signal x(t) to be filtered depending on the current signal/noise ratio, which results in fourfold reducing the transition delay of the control system under a semiconductor converter interference. In comparison with the known ones, this device has an extra parametric output for an identified signal extraction, which is equal to a current signal/noise ratio and usable for an additional regulator adjustment when changing the adaptation factor. While adapting, the data resetting of filter and regulator adjustment in a wide band of its change takes place.
Димко, Єгор Павлович. "Моделі та методи оптимального керування індукційним дуплекс-процесом за умов невизначеності." Thesis, Національний технічний університет "Харківський політехнічний інститут", 2018. http://repository.kpi.kharkov.ua/handle/KhPI-Press/38635.
Full textThesis for the degree of candidate of technical sciences in specialty 05.13.03 – systems and control processes. – National Technical University "Kharkov Polytechnic Institute", Kharkov, 2018. The thesis is devoted to the solution of an actual scientific and practical problem – the development of optimal control methods in conditions of uncertainty. The possibility of building an adequate mathematical model of an induction duplex melting process as a control object under the conditions of impossibility of implementing an active experiment plan under production conditions is shown. Based on this, it is proposed to use the results of the parametric description by definition of the local-optimal values of the input variables based on the implementation of the ridge analysis procedure to describe the final state in the problem of finding the optimal by the final state control. It is shown how using a combined procedure of artificial orthogonalization according to a passive experiment with an arbitrary form of the experiment plan and central orthogonal planning to obtain such a parametric description. The problem of synthesizing optimal control of induction melting in IST1 / 0.8-M5 furnaces in terms of alternative strategies was solved and it was proved that when choosing a melting strategy in the “bog” phase trajectory will constantly change due to the correction of the initial state, which is caused by the change in melting rate with the selected control method. It is shown how the optimal in terms of speed control can be obtained using the Pontryagin maximum principle in terms of taking into account the uncertainty in the description of the initial state of the control object. An optimal temperature regulator was synthesized in an induction mixer based on a multi-alternative description of the final state, a characteristic feature of which is the use of optimal solutions of ridge analysis and parametric classification of the temperature regime. It is shown how such an approach can be applied to a block of logical conditions in the logical synthesis of a combined control system of an induction duplex process.
Димко, Єгор Павлович. "Моделі та методи оптимального керування індукційним дуплекс-процесом за умов невизначеності." Thesis, НТУ "ХПІ", 2018. http://repository.kpi.kharkov.ua/handle/KhPI-Press/38290.
Full textThesis for the degree of candidate of technical sciences in specialty 05.13.03 – systems and control processes. – National Technical University "Kharkov Polytechnic Institute", Kharkov, 2018. The thesis is devoted to the solution of an actual scientific and practical problem – the development of optimal control methods in conditions of uncertainty. The possibility of building an adequate mathematical model of an induction duplex melting process as a control object under the conditions of impossibility of implementing an active experiment plan under production conditions is shown. Based on this, it is proposed to use the results of the parametric description by definition of the local-optimal values of the input variables based on the implementation of the ridge analysis procedure to describe the final state in the problem of finding the optimal by the final state control. It is shown how using a combined procedure of artificial orthogonalization according to a passive experiment with an arbitrary form of the experiment plan and central orthogonal planning to obtain such a parametric description. The problem of synthesizing optimal control of induction melting in IST1 / 0.8-M5 furnaces in terms of alternative strategies was solved and it was proved that when choosing a melting strategy in the "bog" phase trajectory will constantly change due to the correction of the initial state, which is caused by the change in melting rate with the selected control method. It is shown how the optimal in terms of speed control can be obtained using the Pontryagin maximum principle in terms of taking into account the uncertainty in the description of the initial state of the control object. An optimal temperature regulator was synthesized in an induction mixer based on a multi-alternative description of the final state, a characteristic feature of which is the use of optimal solutions of ridge analysis and parametric classification of the temperature regime. It is shown how such an approach can be applied to a block of logical conditions in the logical synthesis of a combined control system of an induction duplex process.
Туровський, Олександр Леонідович, Александр Леонидович Туровский, and Oleksandr Leonidovych Turovsky. "Моделі та методи підвищення точності роботи систем фазової синхронізації супутникових телекомунікацій в режимі стеження за несучою частотою." Thesis, Національний авіаційний університет, 2021. https://er.nau.edu.ua/handle/NAU/49647.
Full textВ диссертационной работе решается актуальная научно-техническая проблема разработки моделей и методов повышения точности работы систем фазовой синхронизации спутниковых телекоммуникаций в режиме слежения за несущей частотой. В работе разработаны модели и методы синтеза комбинированной системы фазовой синхронизации когерентных демодуляторов в режиме слежения за несущей частотой в установившемся и переходном режимах работы спутниковых телекоммуникаций. Указанные алгоритмы позволяют синтезировать комбинированные системы синхронизации с существенными преимуществами по быстродействию и точности оценки несущей частоты в отличие от существующих систем фазовой синхронизации закрытого типа. Для определения количественных значений минимальной дисперсии оценки несущей частоты входного сигнала когерентными демодуляторами спутниковых телекоммуникаций в работе обоснованно критерий нижней границы Крамер-Рао и представлена методика его расчета. Для оценки несущей частоты для когерентных демодуляторов в непрерывном режиме приема сигнала спутниковыми телекоммуникациями в работе представлена соответствующая методика. Данная методика учитывает влияние «соседних» каналов приема входных сигналов и, при значительно уменьшенном интервале наблюдения, повышает точность оценки несущей частоты по правилу максимального правдоподобия с использованием функции быстрого преобразования Фурье и метода умножения фазы входного сигнала при условии неопределенности всех параметров входного сигнала, принимаемого в непрерывном режиме В работе разработана методика двухэтапной оценки несущей частоты для когерентных демодуляторов в пакетном режиме приема сигнала спутниковыми телекоммуникациями. Данная методика обеспечивает простую процедуру расчета первого этапа приближенной оценки частоты с использованием скользящего быстрого преобразования Фурье и, благодаря итеративной процедуре дихтомического процесса, позволяет, на втором этапе, значительно повысить точность оценки несущей частоты при уменьшении интервалов наблюдения с учетом условия неопределенности всех параметров сигнала принимаемого в пакетном режиме.
In the dissertation work the actual scientific and technical problem of development of models and methods of increase of accuracy of work of systems of phase synchronization of satellite telecommunications in a mode of tracking on a carrier frequency is solved. Models and methods of synthesis of the combined system of phase synchronization of coherent demodulators in the mode of monitoring of the carrier frequency in constant and transient modes of operation of satellite telecommunications which allow to synthesize the combined systems of synchronization with essential advantages on speed and accuracy closed type synchronization. To determine the quantitative values of the minimum variance of the carrier frequency estimation of the input signal by coherent demodulators of satellite telecommunications, the criterion of the lower Kramer-Rao boundary is substantiated and the method of its calculation is presented. To estimate the carrier frequency for coherent demodulators in the continuous mode of signal reception by satellite telecommunications, the corresponding method is presented. This technique takes into account the influence of "adjacent" channels of input signals and, with a significantly reduced observation interval, increases the accuracy of carrier frequency estimation by the rule of maximum likelihood using the fast Fourier transform function and the method of phase multiplication of the input signal. taken continuously The method of two - stage carrier frequency estimation for coherent demodulators in the packet mode of signal reception by satellite telecommunications is developed in the work. This technique provides a simple procedure for calculating the first stage of approximate frequency estimation using sliding fast Fourier transform and, thanks to an iterative dichotomous procedure, allows, in the second stage, to significantly increase the accuracy of carrier frequency estimation by reducing observation intervals taking into account the uncertainty of all parameters. received in batch mode. It is shown that the application of the carrier frequency estimation method for a coherent demodulator when receiving a signal in continuous mode for modulation methods FM-2 and FM-4 provides an estimate of the carrier frequency with a variance that is not more than 3 times higher than the corresponding conditions. -Rao in the range of signal / noise from 1 to 6 dB. The proposed method of estimating the carrier frequency by a coherent demodulator when receiving a signal in batch mode provides an estimate with a certain variance at a small observation interval equal to 27 clock intervals and the variance of the frequency estimate almost coincides with the defined lower Kramer-Rao boundary. Hardware implementation of the algorithm for estimating the carrier frequency in the packet mode of signal reception is proposed to perform on modern computing devices, which together with their capabilities and capabilities of the proposed algorithm provide real-time calculations.
Копп, Андрій Михайлович. "Моделі та інформаційна технологія аналізу та підвищення якості структури бізнес-процесів складних систем." Thesis, Національний технічний університет "Харківський політехнічний інститут", 2020. http://repository.kpi.kharkov.ua/handle/KhPI-Press/47371.
Full textThesis for obtaining the philosophy doctor scientific degree on the specialty 122 “Computer sciences”. – National Technical University “Kharkiv Polytechnic Institute”, Kharkiv, 2020. Object of research is the process of synthesis and redesign of the business process structure of complex systems. Subject of research includes models and information technology of analysis and quality improvement of the business process structure based on the using of various modeling notations. The dissertation is devoted to the solution of the scientific and practical problem – development of the models and information technology of analysis and quality improvement of the business process structure of complex systems. The introduction substantiates the relevance of the topic of the dissertation, indicates the relationship with scientific topics, the purpose and objectives of the study are formulated, the object, subject and methods of research are identified, the scientific novelty and practical significance of the obtained results is shown, the information on practical use, personal contribution of the applicant, validation of the research results and their coverage in publications are provided. Information about the structure and scope of the dissertation is given. The first section analyzes the process of synthesis and redesign of the business processes structure of complex systems as a research object. Issues that have not yet been resolved and are relevant in terms of analysis and improvement of the quality of business processes are denoted. The most popular and widely used notations (BPMN, EPC, IDEF0, and DFD) that serve to describe business process structure, modern approaches to storing and analyzing business process model collections for their further reuse, business process structure representation formats (XPDL, AML, BPMN 2.0) are discussed in detail. Existing methods and tools of analysis and improvement of quality of business process structure are considered. As a result of the review, it was determined that the reviewed literature sources are not present formal methods that would allow to identify violations of the rules of structure of business processes, represented by various notations of modeling, and to generate recommendations in order to their elimination. The research problem related to those issues, which were revealed during the analysis of the process of synthesis and restructuring of the structure of business processes of complex systems as a research object, is formulated. The main of these problems are: formalization of rules of business process model design based on different modeling notations; development of the generalized quality criterion for business process models; formation of the method of analysis and improvement of a business process structure; development of the models, which are intended to form recommendations for elimination of revealed violations of business process model design rules; development of the information technology of analysis and quality improvement of the business process structure. The second section describes the theoretical foundations of the analysis and improvement of the quality of the structure of business processes. Based on the recommendations of business process model design, the rules of business process model design using different modeling notations are defined and formalized. Individual criteria have been formed, as well as the generalized quality criterion for business process models has been developed, which is based on the multi-criteria decision making method. The research presented in the second section has allowed elaborating: – the method of quantitative analysis of the business process structure is elaborated through the formation of balance coefficients, which, unlike the existing one, take into account different elements of the business process structure and features of their interrelations, which allows to apply the formed coefficients for the analysis of business process models in different notations in order to determine their compliance with the design rules; – the method of business process model quality assessment is elaborated by formalizing the design rules and generating a generic quality criterion instead of individual business process model metrics for certain notations, which allows to evaluate the business process model quality using a single quantitative metric. The third section is devoted to the development of models of analysis and improvement of the business process structure. There were considered the method of analysis and improvement of the business process structure, which allows detecting and eliminating violations of business process model design rules when using different modeling notations, and the models used to form recommendations for elimination of detected violations of business process model design rules (necessary changes in the number of certain elements of the business process structure and connections between them), which allows to improve the business process structure quality. The corresponding optimization problems are solved using the gradient descent method. The method of analyzing and improving the business process structure is based on the human-machine decision-making process, so it was proposed the procedure for formulating recommendations in the form of understandable text instructions for improving the business process structure based on the results of optimization problem solutions. In order to reuse the experience of improving the business process model quality, the procedure for grouping them by similarity in the context of fulfillment to the rules of business process structure design was developed. As the result of research, for the first time were obtained: – the method of analysis and improvement of the business process structure, which allows identifying and eliminating violations of the rules of building business models when using different modeling notations; – the models designed to formulate recommendations for eliminating identified violations of business process model design rules, which can improve the quality of the business process structure. In the fourth section on the basis of a detailed description of the process of analysis and improvement of the business process structure quality, functional capabilities and requirements for the information technology were defined. The information technology architecture is based on the use of modern technologies for extracting, processing and storing information about the business process structure. User work with the obtained results can be performed either through the web interface or through the analytical dashboard, which demonstrates generalized analysis results and provides decision support for improving the quality of the business process structure. The information technology was validated using prepared business process models provided in various notations, in which structural errors that violate certain business process structure design rules of BPMN, EPC, IDEF0, and DFD notations were intentionally injected; and using the full scale input information on the business process structure provided in different notations and domains. As the result there were improved the information technology of analysis and improvement of quality of business process structure, which is based on the developed method and models instead of existing solutions, which further allows automating detection and elimination of violations of business process models design in various notations. The analysis of the research results has shown that the formed method and the developed models, on which the information technology is based, unlike the existing formal methods and tools, allow not only to more accurately detect errors in the business process structure described using BPMN, EPC, IDEF0, and DFD notations, but also to evaluate the quality of the business process structure on the basis of a single quantitative indicator and obtain recommendations for its improvement by making necessary changes in the number of certain elements of the business process structure and the relations between them. Thesis research results were implemented at the “Scientific Park of NTU “KhPI” LLC (Kharkiv), state scientific institution “Institute for Single Crystals” of National Academy of Science of Ukraine (Kharkiv), in scientific research works and educational process of the Department of Software Engineering and Management Information Technologies of National Technical University “KhPI”.
Books on the topic "Синтез моделі"
Бычков, Ю. А. Расчет систем управления на основе кусочно-степенных моделей: Анализ, синтез, оптимизация. Ленинград: Энергоатомиздат, 1991.
Find full textМодели синтеза систем баз данных. Москва, 1987.
Find full textКесс, Ю. Ю. Анализ и синтез фреймовых моделей АСУ. М., 1986.
Find full textКесс, Ю. Ю. Анализ и синтез фреймовых моделей АСУ. М., 1986.
Find full textМетоды и модели синтеза иерархических систем. Барнаул, 1989.
Find full textМатематические модели динамики и синтез устройств управления источников ионов. Днепропетровск: Издательство Днепропетровского университета, 1989.
Find full textГрешилов, А. А. Анализ и синтез стохастических систем: параметр. модели и конфлюент. анализ. М., 1990.
Find full textГрешилов, А. А. Анализ и синтез стохастических систем: параметр. модели и конфлюент. анализ. М., 1990.
Find full textАлександр Николаевич, Королев. Функциональная устойчивость навигационно-информационных систем. Publishing House Triumph, 2022. http://dx.doi.org/10.32986/978-5-94472-081-8-192-02-2022.
Full textBook chapters on the topic "Синтез моделі"
Чудик, Андрій, and Дар'я Ванюк. "УНІФІКАЦІЯ МОДЕЛІ ФОРМУВАННЯ ГОТОВНОСТІ МАЙБУТНІХ ОФІЦЕРІВ-ПРАВООХОРОНЦІВ ДО ЗАСТОСУВАННЯ ЗАХОДІВ ФІЗИЧНОГО ВПЛИВУ (СИЛИ) У РІЗНИХ УМОВАХ СЛУЖБОВО-ОПЕРАТИВНОЇ ДІЯЛЬНОСТІ ІЗ УРАХУВАННЯМ КАРАНТИННИХ ОБМЕЖЕНЬ." In Імплементація нововведень до правових та воєнних наук та підвищення ролі спорту на державному рівні (1st ed.). Європейська наукова платформа, 2020. http://dx.doi.org/10.36074/indpvnprsdr.ed-1.04.
Full textMospan, D. V., and O. V. Fomovskaya. "ОЦІНКА ЕФЕКТИВНОСТІ МОДЕЛІ ПАРАМЕТРИЧНОГО СИНТЕЗУ ДЛЯ ВИБОРУ ЕЛЕМЕНТНОЇ БАЗИ СИСТЕМ УПРАВЛІННЯ ТЕХНОЛОГІЧНИМИ ПРОЦЕСАМИ ВИРОБНИЦТВА РЕА." In MODERN ENGINEERING RESEARCH: TOPICAL PROBLEMS, CHALLENGES AND MODERNITY, 266–98. Izdevnieciba “Baltija Publishing”, 2020. http://dx.doi.org/10.30525/978-9934-588-47-1.12.
Full textРусин, Людмила. "ПРОГРАМА ФОРМУВАННЯ ГОТОВНОСТІ ТРЕНЕРІВ З ОДНОБОРСТВ ДО ЗАСТОСУВАННЯ ЗАСОБІВ ФІЗИЧНОЇ ТЕРАПІЇ В СИСТЕМІ САМООСВІТИ." In Імплементація нововведень до правових та воєнних наук та підвищення ролі спорту на державному рівні (1st ed.). Європейська наукова платформа, 2020. http://dx.doi.org/10.36074/indpvnprsdr.ed-1.05.
Full textConference papers on the topic "Синтез моделі"
Маслобоев, А. В. "Модель процесса конфигурирования мультиагентных систем сетецентрического управления региональной безопасностью." In Информационные технологии и математическое моделирование систем 2020. Crossref, 2021. http://dx.doi.org/10.36581/citp.2020.87.67.012.
Full textMasloboev, A. V. "Матричная модель и метод оценки интегрального показателя региональной безопасности." In INFORMACIONNYE TEHNOLOGII I MATEMATICHESKOE MODELIROVANIE SISTEM 2019. Центр информационных технологий в проектировании Российской академии наук, 2019. http://dx.doi.org/10.36581/citp.2019.70.11.015.
Full textKolosov, O. S. "Simulation models of parallel operation of powerful dynamic objects on the total load." In FIT-M 2020. Знание-М, 2020. http://dx.doi.org/10.38006/907345-75-1.2020.293.299.
Full textЕникеев, Б. Н. "Отбор и синтез петрофизических знаний на основе построения семиотической модели профессиональной работы." In Geomodel 2015 - 17th science and applied research conference on oil and gas geological exploration and development. Netherlands: EAGE Publications BV, 2015. http://dx.doi.org/10.3997/2214-4609.201413941.
Full textMakarov, M. V. "Researching the fundamental principles of decision synthesis within technical systems of intelligent information processing." In FIT-M 2020. Знание-М, 2020. http://dx.doi.org/10.38006/907345-75-1.2020.299.304.
Full textKorchagin, A. V. "SOLVING PROBLEMS OF IMPROVING DEVICES FOR PROTECTING LARGE-SIZED OBJECTS FROM VIBRATION AND SHOCK." In Manufacture and operation of rocket and space technology and training of engineering personnel for the aerospace industry development issues. Federal State Budgetary Educational Institution of Higher Education «Omsk State Technical University», 2021. http://dx.doi.org/10.25206/978-5-8149-3279-2-2021-12-15.
Full text"МОДЕЛЬ СИНТЕЗА КОМПОЗИТА В РЕЖИМЕ ТЕПЛОВОГО ВЗРЫВА ПОРОШКОВОЙ ПРЕССОВКИ В УСЛОВИЯХ КОНТРОЛИРУЕМОГО НАГРЕВА." In Физическая мезомеханика. Материалы с многоуровневой иерархически организованной структурой и интеллектуальные производственные технологии. Издательство ТГУ, 2021. http://dx.doi.org/10.17223/978-5-907442-03-0-2021-328.
Full textМоскалев, Владимир Борисович. "PREDICTION OF THE CONDITIONS OF CHEMICAL ORGANIC REACTIONS USING THE EDGE ATTENTION GRAPH CONVOLUTION NETWORK." In Наука. Исследования. Практика: сборник избранных статей по материалам Международной научной конференции (Санкт-Петербург, Апрель 2020). Crossref, 2020. http://dx.doi.org/10.37539/srp290.2020.84.35.019.
Full textПржиленская, И. Б. "The Role of Social and Humanitarian Knowledge in the Training of Transprofessionals in the Field of Culture and Education." In Современное образование: векторы развития. Роль социально-гуманитарного знания в подготовке педагога: материалы V международной конференции (г. Москва, МПГУ, 27 апреля – 25 мая 2020 г.). Crossref, 2020. http://dx.doi.org/10.37492/etno.2020.94.83.049.
Full textЯшин, Б. Л. "Mathematical ideas in Russian philosophy of the XIX–XX centuries." In Современное социально-гуманитарное образование: векторы развития в год науки и технологий: материалы VI международной конференции (г. Москва, МПГУ, 22–23 апреля 2021 г.). Crossref, 2021. http://dx.doi.org/10.37492/etno.2021.79.38.059.
Full textReports on the topic "Синтез моделі"
Рейзенкінд, Тетяна Йосипівна. Моделювання поліхудожніх технологій у професійній підготовці майбутнього вчителя музики. КДПУ, 2009. http://dx.doi.org/10.31812/123456789/5005.
Full textРейзенкінд, Тетяна Йосипівна. Категорія інтеграції як методологічна передумова класифікації принципів навчання та виховання в професійній підготовці вчителя музики. КДПУ, 2006. http://dx.doi.org/10.31812/123456789/4998.
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