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Personal data storage and management using error correction codes and elliptic curves proxy signature algorithm 个人数据的存储和管理采用纠错码和椭圆曲线代理签名算法
Pub Date : 2019-11-05 DOI: 10.31713/mcit.2019.23
Aditya Joshi
Recently personal data storage and management have become one of the most important issues in the field of information technologies. 2018 was the year when well-known GDPR was issued which stated general personal data protection regulations. It’s very important to study methods and tools which can enhance the security of information systems processing personal data. Distributed data storages are widely used for fault tolerance as well as cryptography is used for access control.
近年来,个人数据的存储和管理已成为信息技术领域的重要问题之一。2018年是著名的GDPR发布的一年,它规定了一般的个人数据保护规定。研究可以增强处理个人数据的信息系统安全性的方法和工具是非常重要的。分布式数据存储被广泛用于容错,加密技术被用于访问控制。
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引用次数: 0
Nonlinear Mathematical Model of Contaminant Distribution in Unsaturated Catalytic Porous Media 不饱和催化多孔介质中污染物分布的非线性数学模型
Pub Date : 2019-11-05 DOI: 10.31713/mcit.2019.43
V. Zhukovskyy, A. Vlasyuk, N. Zhukovska, Rajab Hesham
The nonlinear mathematical model of contaminant distribution in unsaturated catalytic porous media to the filter-trap in isothermal conditions is presented. The mathematical model takes into account the micro and the meso/macro scale factors of the heat and mass transfer processes. The numerical solution of the respective boundary value problem was obtained by the method of finite differences. The analytical solution for mass transfer in nanoparticles was presented as well.
提出了等温条件下污染物在不饱和催化多孔介质中向过滤器-捕集器分布的非线性数学模型。该数学模型考虑了传热传质过程的微观和中观/宏观尺度因素。利用有限差分法得到了各边值问题的数值解。并给出了纳米颗粒传质的解析解。
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引用次数: 0
The influence of the electroneutrality of the metal layer on the plasmon spectrum in "dielectric-metal-dielectric" structures “介电-金属-介电”结构中金属层的电子中性对等离子体谱的影响
Pub Date : 2019-11-05 DOI: 10.31713/mcit.2019.19
V. Polovyi, Kostrobiy Petro
This paper proposes a model that takes into account the discretization of the Fermi wave vector and energy levels, as well as the condition of electroneutrality when investigating the influence of metal thickness on the spectrum of SPPs waves in heterogeneous dielectric-metal-dielectric structures.
本文在研究非均质介质-金属-介电结构中金属厚度对SPPs波谱的影响时,提出了一个考虑费米波矢量和能级离散化以及电子中性条件的模型。
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引用次数: 0
Modelling of the process of sewage treatment by electrocoagulation method in the temperature conditions 在一定温度条件下电絮凝法处理污水的过程建模
Pub Date : 2019-11-05 DOI: 10.31713/mcit.2019.63
I. Hrytsiuk, Andrii Safonyk, P. Lakus, V. Pasichnyk
The paper suggests an approach to modelling the electrocoagulation process taking into account the ratio between the values of the parameters which characterize the domination of convective and mass-exchange components of the process over diffusion. Computer simulation of the distribution of iron concentration inside the electrocoagulator that allows predicting various hydrodynamic phenomena such as internal recirculation that affects the formation of a coagulant was conducted
本文提出了一种模拟电凝过程的方法,考虑到表征该过程中对流和质量交换成分占主导地位的参数值之间的比率。对电絮凝器内的铁浓度分布进行了计算机模拟,以预测各种流体动力学现象,如影响絮凝剂形成的内部再循环
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引用次数: 0
Application of quasiconformal mapping methods to the investigation of the explosive processes impact on the environment 拟共形映射方法在爆炸过程对环境影响研究中的应用
Pub Date : 2019-11-05 DOI: 10.31713/mcit.2019.34
Kateryna Malash, A. Bomba
The mathematical models used to study explosive processes are given. A class of problems investigating the influence of explosive processes on the environment by the quasiconformal mappings numerical methods are outlined and their practical application are described
给出了用于研究爆炸过程的数学模型。概述了一类用拟共形映射数值方法研究爆炸过程对环境影响的问题,并描述了它们的实际应用
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引用次数: 0
ANALYSIS OF STABILITY OF ONE CLASS OF NUMERICAL METHODS OF SECOND ORDER 一类二阶数值方法的稳定性分析
Pub Date : 2019-11-05 DOI: 10.31713/mcit.2019.42
V. Zaiats
The paper deals with the analysis of the stability of a class of second order combined numerical methods based on the trapezoid method and the difference formula, what obtained by the author. The stability conditions for this class of methods are obtained by the example of conservative systems.
本文在梯形法和差分公式的基础上,分析了一类二阶组合数值方法的稳定性。通过一个保守系统的实例,得到了该类方法的稳定性条件。
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引用次数: 0
One Control Problem for a Set-valued Object 一类集值对象的控制问题
Pub Date : 2019-11-05 DOI: 10.31713/mcit.2019.01
T. A. Komleva, L. Plotnikova, N. Skripnik, A. Plotnikov
The article presents some definitions of derivatives for set-valued mappings and their properties. A linear set-valued differential equation is considered and conditions for the existence of basic solutions are given. Subsequently, one optimal control problem is considered, when the system behavior is described by linear set-valued differential equations.
本文给出集值映射的导数的一些定义及其性质。考虑一类线性集值微分方程,给出了基本解存在的条件。然后,考虑了用线性集值微分方程描述系统行为时的最优控制问题。
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引用次数: 0
Analysis of Automation Processes of Printed Circuit Boards Manufacturing Equipment 印刷电路板制造设备自动化过程分析
Pub Date : 2019-11-05 DOI: 10.31713/mcit.2019.36
M. Klepach, M. Klepach, L. Kozak
In this article, the authors present a process of the printed circuit boards manufacturing equipment simulation model design. The model was used to create, optimize and test the movement control subsystem of the device.
本文介绍了印制电路板制造设备仿真模型的设计过程。利用该模型对该装置的运动控制子系统进行了创建、优化和测试。
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引用次数: 0
Modeling and automation processes of water purification from multicomponent pollution 多组分污染水净化的建模和自动化过程
Pub Date : 2019-11-05 DOI: 10.31713/mcit.2019.53
Andrii Safonyk, Olga Safonyk, Victoria Zhabchyk
Mathematical models of the processes of cleaning liquids from multicomponent contamination by filtration, as well as diffusion-mass transfer perturbations and the development of numerical-asymptotic methods for solving the corresponding nonlinear regularly and singularly perturbed boundary value problems are shown. The construction of automation systems of corresponding treatment systems and complexes on the basis of solving model problems is presented.
本文给出了多组分过滤净化液过程的数学模型,以及扩散-传质摄动和求解相应非线性正则和奇异摄动边值问题的数值-渐近方法的发展。在求解模型问题的基础上,提出了相应处理系统和综合体自动化系统的构建方法。
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引用次数: 0
Edge computing in Building automation system - pros and cons 楼宇自动化系统中的边缘计算——利与弊
Pub Date : 2019-11-05 DOI: 10.31713/mcit.2019.31
A. Zakharchenko, O. Stepanets
This article examines the use of Building automation system to give comfortable conditions for users to provide improving energy efficiency. We found out the impact of the Internet of Things concept on BAS development, and how the use of modern wireless technologies, edge and cloud computing is determining the way of the following progress. Also, their advantages and disadvantages were considered. A separate section focuses on the state of BAS in Ukraine and the key factors that influence it
本文探讨了楼宇自动化系统的使用,为用户提供舒适的环境,以提高能源效率。我们了解了物联网概念对BAS发展的影响,以及现代无线技术、边缘和云计算的使用如何决定后续发展的方式。此外,他们的优点和缺点进行了考虑。另一节侧重于乌克兰BAS的状况和影响它的关键因素
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引用次数: 1
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