Scientific Journal of Astana IT University最新文献

{"title":"MODELS, METHODS, AND MEANS OF REPRODUCTION OF EXPERT KNOWLEDGE IN INTELLIGENT SUPPORT SYSTEM BUILDING-TECHNICAL EXPERTISE","authors":"S. Terenchuk, R. Pasko, O. Panko, V. Zaprivoda","doi":"10.37943/aitu.2021.43.51.007","DOIUrl":"https://doi.org/10.37943/aitu.2021.43.51.007","url":null,"abstract":"The paper is devoted to solving such a scientific and practical problem as the creation of computerized infocommunication systems for support building-technical expertise to determine the causes of destruction and deformation of buildings and structures. The analysis of the current state of expert activity within the framework of building-technical expertise is carried out. Perspective directions of the introduction of intelligent infocommunication systems in the course of performance of building-technical expertise and expert researches are outlined. The architecture of Intelligent Support System Building-Technical Expertise and the communication scheme of experts with the system are shown. To mapping expert knowledge formalized in the form of fuzzy associative rules to the memory card of the Cascade ARTMAP category fuzzy artificial neural network, it is proposed to use a fuzzy Mamdani-type inference system. The main input data, on the basis of which a fuzzy conclusion is realized to establish the degree of influence of various environmental factors on the technical condition of buildings and structures, are systematized and presented in a form acceptable for processing by computerized systems. At the same time, the main focus is on the study of facilities that are built and operated on subsidence loess soils. The process of formalization of heuristics, which is based on the formation of associations related to information on the position of signs of deterioration of the technical condition of the objects of expertise and the position of the changed soil, is described. Examples of interpretation and fuzzification of input information on soil properties, characteristics of the soil base of the object of building-technical expertise, and the surrounding area are given. The described approach provides an opportunity to reduce the risks of making wrong decisions by using the system as an intelligent database. The use of an artificial fuzzy neural network of the Cascade ARTMAP category gives the system the ability to form an expert conclusion on the degree of influence of various environmental factors on the technical condition of objects in the fuzzy conditions of a partially observed environment.","PeriodicalId":112618,"journal":{"name":"Scientific Journal of Astana IT University","volume":"135 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116625238","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}

{"title":"NEURAL NETWORK MODELING AND OPTIMISING OF THE AGGLOMERATION PROCESS OF SULPHIDE POLYMETALLIC ORES","authors":"G. Abitova, V. Nikulin, T. Zadenova","doi":"10.37943/aitu.2021.76.49.001","DOIUrl":"https://doi.org/10.37943/aitu.2021.76.49.001","url":null,"abstract":"During the operation of the lead-zinc production while processing of polymetallic ores, problems arose related to the quality of products and the efficient use of equipment – agglomeration furnace and crushing apparatus. Previously, such issues were resolved due to the experiences and based on mathematical modeling of processes. The mathematical model for optimizing unnecessary such operating mode is a difficult program. Performing calculations is required a fairly large investment of time and resources. Therefore, the program of the mathematical model for optimizing the operating mode of the agglomeration furnace and the crushing device for sinter firing was replaced with a neural network by implementing the process of training the network based on the results of calculations on a mathematical model. The results obtained showed that neural network models were more accurate than mathematical models, which made it possible to solve production optimization problems of great complexity. The use of neural networks for modeling technological processes has made it possible to increase the efficiency of product quality control systems and automatic control systems for the roasting of sulfide polymetallic ores.","PeriodicalId":112618,"journal":{"name":"Scientific Journal of Astana IT University","volume":"272 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127548780","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}

{"title":"DEVICE FOR DETERMINING THE VALUE OF THE STEADY-STATE ELECTRICITY IN THE PRIMARY CIRCUIT USING A REED SWITCH AND A MICROPROCESSOR","authors":"A. Neftisov, O. Talipov, O. Andreeva","doi":"10.37943/aitu.2021.75.95.005","DOIUrl":"https://doi.org/10.37943/aitu.2021.75.95.005","url":null,"abstract":"This article discusses an innovative device designed to determine the value of the steady-state current in the primary circuit of electrical installations using reed switches and a microprocessor without the use of current transformers. The typical structure of relay protection devices is considered. The main elements are presented. When choosing a primary converter, a reed switch was taken, because it has certain advantages over current transformers. As part of the research, experimental installations for measurements were assembled. They made it possible to emulate the real conditions in which the relay protection devices have to function, unnecessary and to depict the characteristics of future devices. The code is presented that allows the microprocessor device to function according to the laid down algorithm. A device on a reed switch and a microprocessor is presented, which allows transmitting a certain amount of current in the primary circuit in digital form (binary code) to the microprocessor protection. The presented measuring device made it possible to implement a method for determining the magnitude of the steady-state short-circuit current.","PeriodicalId":112618,"journal":{"name":"Scientific Journal of Astana IT University","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124392802","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}

{"title":"DYNAMICS AND IMPACT OF DIGITAL FOOTPRINT ON PROJECT SUCCESS","authors":"S. Bushuyev, S. Onyshchenko, D. Bushuiev, V. Bushuieva, N. Bushuyeva","doi":"10.37943/aitu.2021.38.94.002","DOIUrl":"https://doi.org/10.37943/aitu.2021.38.94.002","url":null,"abstract":"The digital footprint of the project is its integral characteristic, reflecting both the “official” information on the project, unnecessary and any mention of the project including social networks and other Internet resources. An entropy model for assessing the success of a project is proposed. The model covers the content (semantic part), its environment, and the dynamics of implementation. The increase in informational entropy (uncertainty) of the project cannot be estimated as the sum of the increase in entropy associated with each element of the digital footprint. The main reason for this is the synergy inherent in the digital footprint. Separately insignificant elements of a digital footprint of a project of a negative nature, with their significant number and periodic appearance, cause a “snowball” effect, which leads to an increase and exaggeration of small destructive effects of individual digital footprints. Therefore, it makes no sense to consider the increase in information entropy for each element of the digital footprint of the project, but it is necessary to consider the impact of each new element of the digital footprint on the information entropy of the project. Each element of an active digital footprint is formed on time and meets the necessary requirements. The organized formation of a digital footprint promotes order in documentation, timely awareness of risks, the formation of the required level of demand for a project product, and a proactive assessment of success. The digital footprint should also help attract new stakeholders to create a favorable project image and promote the project’s product. The fulfillment of this set of conditions ensures a decrease in entropy and, as a result, the success of the project. Conversely, if active and passive digital traces of a project increase entropy, then the likelihood of project success is reduced.","PeriodicalId":112618,"journal":{"name":"Scientific Journal of Astana IT University","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126658532","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}

{"title":"PROJECT MANAGEMENT IN THE GLOBAL OIL AND GAS INDUSTRY BY CO-CREATING STRATEGIC VALUE FOR THE INDUSTRY","authors":"H. Tanaka, S. Bushuyev","doi":"10.37943/aitu.2021.16.52.006","DOIUrl":"https://doi.org/10.37943/aitu.2021.16.52.006","url":null,"abstract":"Project development and marketing on large oil and gas projects (LOGPs) by engineering-procurement-construction (EPC) contractors respond to massive capital investment (CAPEX) undertakings by oil and gas industry owners and takes on multi-lateral interactions carried out by a dozen actors proactively participating in the EPC contractors’ business ecosystem created to remain competitive toward owner companies, which form of project marketing is different from a straight forward contractor – owner interaction found in the other branches of contracting industry. Most of such interactions are based on strategic trust among the relevant members built over decades of heavy win-win transactions. This study has found the actors that compose the project development and marketing cycle in LOGPs, explored dominant logics of EPC contractor’s project development and marketing, and analysed how primary actors in LOGP development and implementation co-create strategic values for both the respective corporations and sustainable overall industry growth. The business ecosystem theory posits that a business ecosystem is an economic community supported by interacting organizations; the company holding a leadership role is valued by the community because it enables members to move toward shared visions to align their investments – this refers to the platform services theory and to find mutually supportive roles.","PeriodicalId":112618,"journal":{"name":"Scientific Journal of Astana IT University","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121632049","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}

{"title":"МОДЕЛЬ МИГРАЦИИ НАСЕЛЕНИЯ В АГЛОМЕРАЦИЯХ В РАМКАХ ПАРАДИГМЫ «УМНОГО ГОРОДА»","authors":"Е Ю Казанцева, Гульмира Тулендиевна Даненова","doi":"10.37943/aitu.2020.26.65.009","DOIUrl":"https://doi.org/10.37943/aitu.2020.26.65.009","url":null,"abstract":"Городская агломерация представляет собой множество поселений, которые объединены согласно хозяйственным, трудовым, культурно-бытовым и рекреационным характеристикам. Агломерация воспринимается как целостное территориальное объединение, поэтому очень важно рассматривать именно его в рамках парадигмы «умного города». Все передвижения населения внутри агломерации, несмотря на кажущуюся хаотичность, можно представить систематически и выделить определенные закономерности. Эти закономерности позволят оптимизировать инфраструктуру города, сформировав его транспортную систему таким образом, что станет возможным исключить потенциально аварийные участки на дорогах и снизить транспортную нагрузку на магистрали. С целью оптимизации инфраструктуры агломерации рассматривается существующая модель транспортных сетей и перемещение населения (миграция) внутри нее. В статье представлен анализ парадигмы «умного города», описана ее многомерная структура и уровни, на которых строится городская инфраструктура, и приведены математические модели, на основе которых формируется транспортная система агломерации. Для описания модели перемещения населения в рамках агломерации рассматривается хранилище данных, в котором содержится информация о городской транспортной сети, содержащей набор пунктов и проложенных между ними коммуникаций. На основе данной транспортной сети формируется маршрутная сеть, которая представляет собой совокупность всех транспортных маршрутов. В работе приведено описание модели транспортно-распределительной системы с учетом временных и пространственных характеристик и модель интеллектуальной транспортной системы города на основе гиперсети. Описаны модели транспортных систем, применяемые в опыте зарубежных стран, где на данный момент сохраняется тенденция к улучшению систем навигации и мониторинга в рамках транспортной интеллектуальной системы города.","PeriodicalId":112618,"journal":{"name":"Scientific Journal of Astana IT University","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122409542","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}

{"title":"DESIGNING DIGITAL CONTROLLERS FOR A CONTROLLED PLANT","authors":"A. Khaimuldin, T. Mukatayev, N. Assanova, N. Khaimuldin","doi":"10.37943/aitu.2020.56.15.003","DOIUrl":"https://doi.org/10.37943/aitu.2020.56.15.003","url":null,"abstract":"This paper report contains an explanation of how to design a digital controller \u0000using the Laplace Transform to z-Transform conversion method. The objectives are that the \u0000controlled system should track step input with a reasonably small steady-state error and a \u0000settling time faster than the open-loop settling time. Furthermore, it should do so with the \u0000minimum overshoot that is reasonably possible. The main contribution is to establish the \u0000feasibility and ease of the systematic design procedure and future work will focus in more \u0000detail on applying the Sampling Theorem and deadbeat controller.\u0000There are several objectives that the controlled system should reach:\u00001. Track step input with a reasonably small steady-state error and a settling time which \u0000should be faster than the open-loop settling time.\u00002. Gain a small overshoot that is sufficiently possible.\u00003. Have a systematic design procedure.\u0000A method for finding the parameters of the deadbeat controller in the MatLab environment \u0000is presented. Based on the results obtained the simulation reveals that even when the control \u0000grows by one-step, the settling time of the system response could be less than that of the \u0000deadbeat controller. The work shows that deadbeat could be a powerful analysis tool since it \u0000is possible to grab the entire dynamic easily using several samples.","PeriodicalId":112618,"journal":{"name":"Scientific Journal of Astana IT University","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114740074","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}

{"title":"Централизованный сбор и анализ результатов лабораторных исследований на COVID-19","authors":"К.К. Кадиркулов, А.А. Исмаилова","doi":"10.37943/aitu.2020.28.52.008","DOIUrl":"https://doi.org/10.37943/aitu.2020.28.52.008","url":null,"abstract":"В данной статье описывается процесс централизованного сбора результатов лабораторных исследований на COVID-19, и их дальнейшего анализа с применением технологии веб-сервисов, так как распространение COVID-19 отразилась на экономической и социальной жизни во всех странах мира, в том числе и Республику Казахстан, которое привело к ускорению внедрения цифровых технологий в самых разных сферах. Цифровизация способствует переходу в онлайн-среду здравоохранение, трудовой деятельности, образования, и получать больше данных о распространении вируса и обмениваться информацией о результатах лабораторных исследований. Представленное решение является аналитическим модулем, и базируется на платформе ЛИС SmartLAB [1], который производит комплексную автоматизацию лаборатории, в частности ПЦР (полимеразная цепная реакция) [2] лаборатории, соблюдая все рабочие процессы для получения достоверных результатов путем непосредственного взаимодействия с лабораторным оборудованием по международным стандартам HL7 (англ. Health Level 7 — «Седьмой уровень») [3], ASTM (англ. American Society for Testing and Materials – «Американское общество по испытанию материалов») [4] и автоматическому выявлению отклонении от нормативных данных. При реализации решения использовалась собственная платформа ЛИС SmartLAB, в качестве языка разработки API (англ. application programming interface - программный интерфейс приложения) применялся язык PHP 7.3, в качестве СУБД использовался MariaDB 10.3. В настоящий период времени аналитический модуль апробирован в 4-х ПЦР лабораториях для передачи результатов лабораторных исследований на портал РГП на ПХВ «Национальный центр экспертизы» Комитета контроля качества и безопасности товаров и услуг Министерства здравоохранения Республики Казахстан.","PeriodicalId":112618,"journal":{"name":"Scientific Journal of Astana IT University","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115648928","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}

{"title":"РАЦИОНАЛЬНОЕ ИСПОЛЬЗОВАНИЕ ВЫЧИСЛИТЕЛЬНЫХ МОЩНОСТЕЙ В СОВРЕМЕННЫХ ТЕНДЕНЦИЯХ РАЗВИТИЯ ЭЛЕКТРОНИКИ","authors":"И.О. Лазарев, Надежда Ивановна Томилова","doi":"10.37943/aitu.2020.46.64.010","DOIUrl":"https://doi.org/10.37943/aitu.2020.46.64.010","url":null,"abstract":"В рамках данной статьи рассматриваются методы и способы автоматизации оптимизации программного обеспечения при помощи их программ. Проанализируем алгоритмы и принцип действия. Так как на фоне быстрого роста вычислительных мощностей возникает вопрос о рациональном использовании данных ресурсов. С развитием технологий разработка ПО встречается с проблемой деградации качества создаваемых приложений и отсутствия поиска новых методов оптимизации. Первоначально разработка программного обеспечения столкнулась с непреодолимой стеной в виде жестокого лимита ресурсов, что стимулировало разработчиков искать новые методы и ухищрения для реализации задуманного проекта. В данный момент, из-за колоссально быстрых темпов развития вычислительных мощностей, разработчики потеряли данную стену как стимул в поисках новых методов реализации и оптимизации. Разработчики столкнулись с новой проблемой – рациональное использование вычислительных мощностей. Для многих приложений следующего поколения ограничения, налагаемые вводом-выводом, ограничивают уровень достижимой производительности. Большой и важный класс ресурсоемких приложений является нерегулярным, содержит сложное, зависящее от данных поведение выполнения, и динамический, с меняющимися потребностями в ресурсах, которые со временем меняются. Поскольку взаимодействия между приложением и системным программным обеспечением меняются между приложениями и во время выполнения одного приложения, аналитикам, стремящимся оптимизировать производительность, требуются библиотеки времени выполнения и инструменты анализа, которые могут выявить поведение ввода-вывода приложения. Для достижения поставленной цели можно использовать как ручные методы оптимизации, так и оптимизирующее стороннее ПО или оптимизирующие компиляторы. Оптимизирующее стороннее ПО и компиляторы помогут сократить время, затрачиваемое на этап оптимизации.","PeriodicalId":112618,"journal":{"name":"Scientific Journal of Astana IT University","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129559550","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}

{"title":"MATHEMATICAL SIMULATION AND STUDY OF CONTROL STABILITY OF THE CHEMICAL-ENGINEERING PROCESSES IN INDUSTRY","authors":"G. Abitova","doi":"10.37943/aitu.2020.70.60.001","DOIUrl":"https://doi.org/10.37943/aitu.2020.70.60.001","url":null,"abstract":"In this work is consider study and analysis of dynamic system for simulation of the technological process under uncertainty and complexity. To study and simulate a complicated technology process we carry out for consideration the technology of the process of roasting in fluidized bed furnaces of polymetallic sulphide ores. The choice is justified by the fact that, operation line producing of polymetallic sulphide ores represents a complex process, is characterized by a big number of transient processes, presence of process variables and deviations from technical regimes. To study process characteristics of any system functioning by means of mathematical methods the process should be formalized. This means, that adequate mathematical model needs to be developed. The choice of mathematical model depends a lot upon the features of the object and its controllability as well as of technological scheme and complexity of processes. Chemical engineering processes are complicated physical and chemical systems. Substance flows, which are part of these systems, are, as a rule, multicomponent. Therefore, for the purpose of study and qualitative control over chemical-engineering processes it is essential to apply the method of mathematic simulation, based on system analysis strategy, analysis of its structure, mathematical formulation development and evaluation of unknown parameters. Controllability means that such system attribute as having control actions, which make it possible to transfer the system from a pre-set initial state to the required condition during finite quantum of time. Therefore, the developed mathematical model of the process or control object should be controllable and stability.","PeriodicalId":112618,"journal":{"name":"Scientific Journal of Astana IT University","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125623482","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}