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Model of Process Synchronization in Through Analysis 贯通分析中的过程同步模型
Pub Date : 2021-01-23 DOI: 10.23939/acps2021.01.033
Oleksandr Martynyuk
Synchronization of parallel processes of distributed information systems (DIS) has been largely determined by decisions taken at the stages of their design. Having already been in structural and functional models, when determining cause- and-effect relationships for events and actions in DIS components, it becomes necessary to coordinate them. In the proposed multilevel systemic, structural and functional synchronization model, a hierarchy of such causal relationships with interlevel mappings, inheritance and encapsulation of events and actions have been formed. The model has been also based on hierarchical extended Petri nets, which make it possible to represent various aspects of a special analysis of technical diagnostics, in particular, analysis of correctness, verification, testing, for the adopted display of the asynchronous-behavioral nature of the multilevel interaction of DIS processes. Features of the synchronization model include mapping operations for cross- level inheritance and encapsulations that synchronize events and actions, as well as end-to-end synchronized quasi-order relationships and compatibility for them. The synchronization model is also distinguished by the possibility of specializing its objects, operations and relations for the tasks of check and recognition of behavioral properties set for analysis and verification, basic in technical diagnostics, including in online and offline testing. The synchronization model has allowed one to determine the formal conditions for methods of end-to-end asynchronous coordination of events and actions of multi-level models, that represent design solutions for DIS, in particular, for technical diagnostics methods, and also to reduce the computational complexity of a special synchronization analysis due to an end-to-end decomposition approach. The dimension of the synchronization model has been estimated using the representation of Petri net graphs and special graphs of reachable states using list structures. The above estimates determine the limits of applicability of the formal synchronization model.
分布式信息系统(DIS)的并行进程的同步在很大程度上取决于其设计阶段所采取的决策。在已经使用了结构和功能模型之后,在确定DIS组件中事件和动作的因果关系时,有必要对它们进行协调。在提出的多层系统、结构和功能同步模型中,形成了具有层间映射、事件和动作的继承和封装的因果关系层次结构。该模型还基于分层扩展Petri网,这使得有可能表示技术诊断的特殊分析的各个方面,特别是正确性、验证、测试的分析,用于显示DIS过程的多层交互的异步行为性质。同步模型的特性包括用于跨层继承的映射操作和用于同步事件和操作的封装,以及端到端的同步准顺序关系及其兼容性。同步模型的另一个特点是,它可以将对象、操作和关系专门化,用于检查和识别为分析和验证而设置的行为属性,这是技术诊断(包括在线和离线测试)的基础。同步模型允许人们确定事件和多级模型动作的端到端异步协调方法的形式条件,这些方法代表了DIS的设计解决方案,特别是技术诊断方法,并且还减少了由于端到端分解方法而导致的特殊同步分析的计算复杂性。利用Petri网图的表示和表结构的可达状态的特殊图来估计同步模型的维数。上述估计决定了正式同步模型的适用范围。
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引用次数: 1
Investigation of Greenhouse Monitoring and Control System 温室监控系统的研究
Pub Date : 2021-01-23 DOI: 10.23939/acps2021.01.054
T. Sahaidak, Nataliia Huzynets
Unsuitable climatic conditions, various natural disasters and instability and unpredictability of the weather significantly complicate cultivation, and sometimes make it even impossible. To ensure the best conditions for cultivation and the highest yields, farmers began to use greenhouses. However, in our hectic lives, people are constantly busy with something and there is no enough time. Long trips, business trips, vacations are also possible. It is becoming increasingly difficult to provide the necessary conditions for plants to grow on their own. That is why the Internet of Things has been so successfully integrated with agriculture that it has led to the emergence of automated or intelligent greenhouses. The article attempts to analyze the types of greenhouse monitoring and control system, their technical characteristics, principles of operation and basic requirements for these systems. According to the results of the study, the best smart greenhouses have been selected. The main functions of automated greenhouses have been described. Selection criteria have been determined and a comparative analysis of the most popular products available on the market.
不适宜的气候条件、各种自然灾害以及不稳定和不可预测的天气使种植变得非常复杂,有时甚至使种植成为不可能。为了确保最佳的种植条件和最高的产量,农民们开始使用温室。然而,在我们忙碌的生活中,人们总是忙于一些事情,没有足够的时间。长途旅行,商务旅行,度假也是可能的。为植物自己生长提供必要的条件变得越来越困难。这就是为什么物联网与农业如此成功地结合在一起,导致了自动化或智能温室的出现。本文试图分析温室监控系统的类型、技术特点、工作原理以及对这些系统的基本要求。根据研究结果,选出了最佳智能温室。介绍了自动化温室的主要功能。选择标准已经确定,并对市场上最受欢迎的产品进行了比较分析。
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引用次数: 1
Online Video Platform with Context-aware Content-based Recommender System 基于上下文感知内容推荐系统的在线视频平台
Pub Date : 2021-01-23 DOI: 10.23939/acps2021.01.046
Marian Pisotskyi, A. Botchkaryov
The problem of developing an online video platform with a context-aware content-based recommender system has been considered. Approaches to developing online video platforms have been considered. A comparison of popular online video platforms has been presented. A method of context-aware content-based recommendation of videos has been proposed. A method involves saving information about user interaction with video, obtaining and storing information about which videos the user liked, determining user context, composing a profile of user preferences, composing a profile of user preferences depending on context, determining the similarity between the video profile and a profile of user preferences (with and without context consideration), determining the relevance of the video to the context, the conclusive estimation of the relevance of the video to the user’s preferences based on the proposed composite relevance indicator. The developed structure of online video platform has been presented. The algorithm of its work has been considered. The structure of the online video platform database has been proposed. Features of designing the user interface of the online video platform have been considered. The issue of testing the developed online video platform has been considered.
研究了基于上下文感知的在线视频平台内容推荐系统的开发问题。已经考虑了开发在线视频平台的方法。比较了一些流行的网络视频平台。提出了一种基于上下文感知的视频内容推荐方法。一种方法包括保存关于用户与视频交互的信息,获取并存储关于用户喜欢的视频的信息,确定用户上下文,构成用户偏好的配置文件,根据上下文构成用户偏好的配置文件,确定视频配置文件与用户偏好的配置文件之间的相似性(考虑和不考虑上下文),确定视频与上下文的相关性,基于所提出的复合相关性指标对视频与用户偏好的相关性的结论性估计。提出了网络视频平台的开发结构。对其工作算法进行了研究。提出了在线视频平台数据库的结构。考虑了在线视频平台用户界面设计的特点。对已开发的在线视频平台的测试问题进行了研究。
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引用次数: 1
Implementation of Fpga-based Pseudo-random Words Generator 基于fpga的伪随机字生成器的实现
Pub Date : 2020-10-03 DOI: 10.23939/ACPS2020.02.085
V. Opanasenko, S. Zavyalov, Olexander Sofiyuk
A hardware implementation of pseudo-random bit generator based on FPGA chips, which use the principle of reconfigurability that allows the modernization of their algorithms and on-line replacement of the internal structure (reconfiguration) in the process of functioning have been considered in the paper. Available DSP blocks embedded into the structure of FPGA chips allow efficient hardware implementation of the pseudorandom bit generator through the implementation of the basic operations of multiplication with accumulation on the gate level. Using CAD ISE 14.02 Foundation and VHDL language three types of pseudo-random bit generators have been implemented on Spartan series chip 6SLX4CSG225-3, for which time and hardware expenses are represented. Using the simulating system ModelSim SE 10.1c, timing diagrams of simulation for these structures have been obtained.
本文考虑了一种基于FPGA芯片的伪随机位发生器的硬件实现,该芯片利用可重构原理,允许其算法的现代化和内部结构的在线替换(可重构)。可用的DSP块嵌入到FPGA芯片的结构中,通过在门级上实现乘法累加的基本操作,可以有效地硬件实现伪随机位生成器。利用CAD ISE 14.02 Foundation和VHDL语言,在Spartan系列芯片6SLX4CSG225-3上实现了三种伪随机位发生器,并给出了时间和硬件开销。利用仿真系统ModelSim SE 10.1c,得到了这些结构的仿真时序图。
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引用次数: 0
Algorithmic and Software of Migration of Databases in Hypermarket Network 大卖场网络中数据库迁移的算法与软件
Pub Date : 2020-10-03 DOI: 10.23939/ACPS2020.02.077
Volodymyr Mruts, M. Mashevska
Possible ways and options of migrating data from existing database management systems to new ones have been analyzed in the article. Also, the main advantages and disadvantages of these methods have been considered, the common problems that may arise during migration and the standard requirements for this type of system have been given. In the practical part, the Exact Transform Load (ETL) system has been developed with the implementation of all its functional and non-functional requirements, migrating data from the old system to the new one.
本文分析了将数据从现有数据库管理系统迁移到新数据库管理系统的可能方法和选项。此外,还考虑了这些方法的主要优点和缺点,给出了在迁移过程中可能出现的常见问题以及此类系统的标准要求。在实践部分,开发了精确转换负载(ETL)系统,并实现了其所有功能和非功能需求,将数据从旧系统迁移到新系统。
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引用次数: 0
Cyber-physical System to Help Moor a Ship 帮助船舶停泊的网络物理系统
Pub Date : 2020-10-03 DOI: 10.23939/ACPS2020.02.063
Andrii Grebeniak
A method of organizing an information cyber- physical system to assist in the mooring process has been considered in the article. It describes ways to organize the mooring of ships to the berth. The problems that occur during this operation have been listed. As the mooring process is labor- intensive and depends on the human factor, a system that will provide up-to-date real-time information to facilitate the mooring operation has been regarded. The structure and stages of development of the proposed solution have been described. The features of the selected elements have been indicated. Obtaining preliminary sensory results from two ports makes it possible to begin the next stage of system development.
本文考虑了一种组织信息网络物理系统来辅助系泊过程的方法。它描述了组织船舶系泊到泊位的方法。在此操作过程中出现的问题已列出。由于系泊过程是劳动密集型的,并且依赖于人为因素,因此一种能够提供最新的实时信息以方便系泊操作的系统已被考虑。描述了所提出的解决方案的结构和开发阶段。已指出所选元素的特征。从两个端口获得初步的感官结果,可以开始下一阶段的系统开发。
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引用次数: 0
Design and Implementation of an Information System for Self-Control of Bronchial Asthma by Patients 支气管哮喘患者自我控制信息系统的设计与实现
Pub Date : 2020-10-03 DOI: 10.23939/ACPS2020.02.056
Konrad Glinka, A. Melnyk
The aim of this article is to develop information system for people with bronchial asthma. The main function of the information system described in the article is enabling self- control of bronchial asthma by patients. By controlling asthma correctly, patients can reduce the symptoms of asthma. The most important task solved before the information system design was a selection of the asthma parameters which can be monitored and implemented in it. The information system consists of two main elements: a database and an application. The article describes the technologies used to create these elements. Moreover, the article provides information about connection between the database and the application. The article also includes basic information about asthma and describes the information system work.
本文的目的是为支气管哮喘患者开发信息系统。本文描述的信息系统的主要功能是使支气管哮喘患者能够自我控制。通过正确控制哮喘,患者可以减轻哮喘的症状。在信息系统设计之前要解决的最重要的任务是选择可监测的哮喘参数并在其中实现。信息系统由两个主要元素组成:数据库和应用程序。本文描述了用于创建这些元素的技术。此外,本文还提供了有关数据库和应用程序之间连接的信息。文章还介绍了哮喘的基本信息,并介绍了信息系统的工作。
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引用次数: 0
Easy Universal Translator as an Alternative Compiler-Compiler 简易通用翻译器作为一种可选的编译器
Pub Date : 2019-09-23 DOI: 10.23939/acps2019.02.105
A. Melnyk, Nazar Kozak
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引用次数: 0
The Methods of Choosing the Wavelets for One Dimensional Signal Processing 一维信号处理中小波的选择方法
Pub Date : 2019-09-23 DOI: 10.23939/acps2019.02.084
I. Lagun
: The paper describes the problems of the effectiveness increasing in the selection of base functions for the processing of different types of one-dimensional signals in the wavelet domain. The efficiency of representing signals in the wavelet domain has been shown; their analysis and processing are related to the choice of base functions. The basic methods and algorithms for selecting base functions are defined, in which the choice of optimal wavelets has been carried out according to a particular criterion for certain types of signals. Methods have been presented for assessing the efficiency of the choice of base wavelets by the criterion for the ratio of the energy of the wavelet coefficients to the entropy of energy distribution of wavelet coefficients, the criterion for estimating the correlation coefficient, and the information criterion. The universal index of quality of the signal has been proposed and substantiated for the first time as a new criterion for choosing a wavelet and the method has been improved for the choice of base wavelets using a genetic algorithm according to the universal signal quality index criterion. The method of multi-criteria optimization of the choice of base wavelet for the processing one-dimensional non-periodic signals based on the tools of fuzzy logic has been proposed and developed, which made it possible to improve the efficiency of signal processing.
本文讨论了在小波域处理不同类型的一维信号时,基函数选择的有效性提高问题。证明了在小波域表示信号的有效性;它们的分析和处理与基函数的选择有关。定义了选择基函数的基本方法和算法,其中根据特定类型信号的特定准则选择最优小波。提出了基于小波系数能量与小波系数能量分布熵之比准则、相关系数估计准则和信息准则来评价基小波选择效率的方法。首次提出并证实了信号质量通用指标作为小波选择的新准则,并根据信号质量通用指标准则采用遗传算法对基小波选择方法进行了改进。提出并发展了基于模糊逻辑工具的一维非周期信号基小波选择多准则优化方法,为提高信号处理效率提供了可能。
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引用次数: 0
Method for Time Minimization of Api Requests Service From Cyber-Physical System to Cloud Database Management System 网络物理系统到云数据库管理系统Api请求服务的时间最小化方法
Pub Date : 2019-09-23 DOI: 10.23939/acps2019.02.125
Nataliia Pavych, Tetyana Pavych
Authors have analyzed the current state of cloud calculations and discovered the necessity of Application Programming Interface (API) usage in some of the cyberphysical systems (CPhS). The expediency of creating tools to reduce service time of Application Programming Interface requests and effective synchronization of the local and cloud database has been established. The authors clarified one of the main features of data replication. The expediency of using counter generations in the replication process instead of using system timer has been justified. The authors proposed the asynchronous method of accelerated service time for API requests to cloud database management systems using a synchronization accumulative table and registering changes in database with two-step sets of generations. Library that provides implementation of asynchronous API requests for Salesforce cloud management systems has been developed. Any Ruby on Rails application can use this library. Authors have evaluated and carried out benefits for the proposed solutions in test cases. Results of the test cases confirm service time minimization of API requests to the cloud database management system based on the proposed asynchronous method.
作者分析了云计算的现状,发现了在某些网络物理系统中使用应用程序编程接口(API)的必要性。通过创建工具来减少应用程序编程接口请求的服务时间,实现本地数据库和云数据库的有效同步。作者阐明了数据复制的一个主要特性。在复制过程中使用计数器代而不是使用系统计时器的便利性已得到证明。作者提出了一种异步方法,利用同步累加表和两步生成集在数据库中注册更改,加快了对云数据库管理系统的API请求的服务时间。为Salesforce云管理系统提供异步API请求实现的库已经开发完成。任何Ruby on Rails应用程序都可以使用这个库。作者已经在测试用例中评估并实现了所建议的解决方案的好处。测试用例的结果证实了基于所提出的异步方法对云数据库管理系统的API请求的服务时间最小化。
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引用次数: 2
期刊
Advances in Cyber-Physical Systems
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