Pub Date : 2020-09-28DOI: 10.1109/MLSD49919.2020.9247807
R. Asratian
The principles of the implementation of the new network service - Protected Message Service (PMS) - intended for protected queries processing in the distributed information systems are considered. The essence of the approach consists in using Cryptographic Message Syntax (CMS) standard as a basis of protected data representation in the network.
{"title":"Secure Interactions in Distributed Systems on the Basis of Cryptographic Message Syntax","authors":"R. Asratian","doi":"10.1109/MLSD49919.2020.9247807","DOIUrl":"https://doi.org/10.1109/MLSD49919.2020.9247807","url":null,"abstract":"The principles of the implementation of the new network service - Protected Message Service (PMS) - intended for protected queries processing in the distributed information systems are considered. The essence of the approach consists in using Cryptographic Message Syntax (CMS) standard as a basis of protected data representation in the network.","PeriodicalId":103344,"journal":{"name":"2020 13th International Conference \"Management of large-scale system development\" (MLSD)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121682546","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}
Pub Date : 2020-09-28DOI: 10.1109/MLSD49919.2020.9247742
Anna Samoshina, V. Promyslov, S. Kamesheva, R. Galin
This paper describes the development of a module for calculating security zones in the cloud service of APCS modeling. A mathematical model based on graph theory is used. This allows you to describe access relationships between objects and security policy subjects. A comparative analysis of algorithms for traversing graph vertices is performed in order to select a suitable method for allocating security zones. The implemented algorithm for calculating security zones was added to the cloud service omole.ws.
{"title":"Application of Cloud Modeling Technologies in Ensuring Cyber Security of APCS","authors":"Anna Samoshina, V. Promyslov, S. Kamesheva, R. Galin","doi":"10.1109/MLSD49919.2020.9247742","DOIUrl":"https://doi.org/10.1109/MLSD49919.2020.9247742","url":null,"abstract":"This paper describes the development of a module for calculating security zones in the cloud service of APCS modeling. A mathematical model based on graph theory is used. This allows you to describe access relationships between objects and security policy subjects. A comparative analysis of algorithms for traversing graph vertices is performed in order to select a suitable method for allocating security zones. The implemented algorithm for calculating security zones was added to the cloud service omole.ws.","PeriodicalId":103344,"journal":{"name":"2020 13th International Conference \"Management of large-scale system development\" (MLSD)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126478263","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}
Pub Date : 2020-09-28DOI: 10.1109/MLSD49919.2020.9247731
D. Krasnov
For an all-wheel drive electromechanical system, a discontinuous control law has been developed within the framework of the block approach. It provides tracking of given signals of generalized coordinates and invariance with respect to external and parametric disturbances. For the case when the sensors are located only on the drives, a dual-circuit information system is design. It includes two observers with piecewise linear corrective actions for estimating generalized coordinates and mixed variables necessary for feedback design.
{"title":"Tracking Electromechanical Systems Design with Sensorless Manipulators","authors":"D. Krasnov","doi":"10.1109/MLSD49919.2020.9247731","DOIUrl":"https://doi.org/10.1109/MLSD49919.2020.9247731","url":null,"abstract":"For an all-wheel drive electromechanical system, a discontinuous control law has been developed within the framework of the block approach. It provides tracking of given signals of generalized coordinates and invariance with respect to external and parametric disturbances. For the case when the sensors are located only on the drives, a dual-circuit information system is design. It includes two observers with piecewise linear corrective actions for estimating generalized coordinates and mixed variables necessary for feedback design.","PeriodicalId":103344,"journal":{"name":"2020 13th International Conference \"Management of large-scale system development\" (MLSD)","volume":"92 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122283067","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}
Pub Date : 2020-09-28DOI: 10.1109/MLSD49919.2020.9247755
V. Orlov, E. Kurako
A multiple functional structure consists of a large number of databases of the same type but contains different content. These databases are not connected in principle but are managed from a single center. The issues of managing such systems using a management database are considered. It offers the possibility of using service-browser technology for this purpose.
{"title":"Organization and Management of a Multiple Functional Structure for Large-Scale Informational Processing Systems","authors":"V. Orlov, E. Kurako","doi":"10.1109/MLSD49919.2020.9247755","DOIUrl":"https://doi.org/10.1109/MLSD49919.2020.9247755","url":null,"abstract":"A multiple functional structure consists of a large number of databases of the same type but contains different content. These databases are not connected in principle but are managed from a single center. The issues of managing such systems using a management database are considered. It offers the possibility of using service-browser technology for this purpose.","PeriodicalId":103344,"journal":{"name":"2020 13th International Conference \"Management of large-scale system development\" (MLSD)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127072648","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}
Pub Date : 2020-09-28DOI: 10.1109/MLSD49919.2020.9247806
A. Skiba, N. Skiba
A continuous aggregated dynamic model of gas production at a gas field is under construction. Several issues related to gas extraction modeling are under discussion. Two possible options for developing a gas field with certain conditions are under consideration. The first strategy concerns the development of one gas field at two consecutive time stages: at a constant rate of wells drilling and in the absence of drilling. The second strategy concerns maintaining an unaltered level of gas production by commissioning new wells. We study each option in detail and draw appropriate conclusions. We also pose and solve optimization problems for maximum overall extraction and maximum profit. The issues proposed for the study belong to the class of optimal control problems with a free right end and a fixed time. The necessary mathematical apparatus is the Pontryagin maximum principle.
{"title":"Research of a Gas Deposit Development Model","authors":"A. Skiba, N. Skiba","doi":"10.1109/MLSD49919.2020.9247806","DOIUrl":"https://doi.org/10.1109/MLSD49919.2020.9247806","url":null,"abstract":"A continuous aggregated dynamic model of gas production at a gas field is under construction. Several issues related to gas extraction modeling are under discussion. Two possible options for developing a gas field with certain conditions are under consideration. The first strategy concerns the development of one gas field at two consecutive time stages: at a constant rate of wells drilling and in the absence of drilling. The second strategy concerns maintaining an unaltered level of gas production by commissioning new wells. We study each option in detail and draw appropriate conclusions. We also pose and solve optimization problems for maximum overall extraction and maximum profit. The issues proposed for the study belong to the class of optimal control problems with a free right end and a fixed time. The necessary mathematical apparatus is the Pontryagin maximum principle.","PeriodicalId":103344,"journal":{"name":"2020 13th International Conference \"Management of large-scale system development\" (MLSD)","volume":"160 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127272943","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}
Pub Date : 2020-09-28DOI: 10.1109/MLSD49919.2020.9247697
Smaglichenko Tatyana, Jacoby Wolfgang, Smaglichenko Alexander
The use of 3D tomography methods helps to the better understanding of complex structures peculiar to elements of a large-scale system, for instance, to buildings, engineering constructions, hydroelectric power plants, mines ets. Seismic tomography is important tool that the oil and gas industry applies to map the sub-surface geological structures. The LSQR algorithm by Paige and Saunders is the well-known conjugate gradient solver for the inversion tomography problem. Nevertheless, previous studies have shown that the algorithm has limitation in reconstruction of synthetic models of the large-size structure. Here two alternatives are given to resolve the complex structure: a new algorithm of the method of coordinate descent and the modification of Gaussian elimination. Both of these methods aim at constructing of the solution, which might be free from influence of determined types of error in the data. A structure with certain similar properties has been revealed for the layer from 0 to 5 km of depth by applying both methods to seismic data collected in the area around the hydrothermal gas field However, for the deeper layer the modification of Gaussian elimination produces the structure that is more realistic compared the method of coordinate descent. The reason might be in more accurate determination of the location of those seismic sources that are close to a surface. We conclude that simultaneous application of different inversion methods is useful in the presence of unclear level of errors in the data. Tomography images presented here for the area of natural concentration of gases can be applied for understanding of conditions to keep underground gases in a safe area.
{"title":"Alternative 3D Tomography Methods and Their Applications to Identify Seismic Structure Around the Hydrothermal Gas Field","authors":"Smaglichenko Tatyana, Jacoby Wolfgang, Smaglichenko Alexander","doi":"10.1109/MLSD49919.2020.9247697","DOIUrl":"https://doi.org/10.1109/MLSD49919.2020.9247697","url":null,"abstract":"The use of 3D tomography methods helps to the better understanding of complex structures peculiar to elements of a large-scale system, for instance, to buildings, engineering constructions, hydroelectric power plants, mines ets. Seismic tomography is important tool that the oil and gas industry applies to map the sub-surface geological structures. The LSQR algorithm by Paige and Saunders is the well-known conjugate gradient solver for the inversion tomography problem. Nevertheless, previous studies have shown that the algorithm has limitation in reconstruction of synthetic models of the large-size structure. Here two alternatives are given to resolve the complex structure: a new algorithm of the method of coordinate descent and the modification of Gaussian elimination. Both of these methods aim at constructing of the solution, which might be free from influence of determined types of error in the data. A structure with certain similar properties has been revealed for the layer from 0 to 5 km of depth by applying both methods to seismic data collected in the area around the hydrothermal gas field However, for the deeper layer the modification of Gaussian elimination produces the structure that is more realistic compared the method of coordinate descent. The reason might be in more accurate determination of the location of those seismic sources that are close to a surface. We conclude that simultaneous application of different inversion methods is useful in the presence of unclear level of errors in the data. Tomography images presented here for the area of natural concentration of gases can be applied for understanding of conditions to keep underground gases in a safe area.","PeriodicalId":103344,"journal":{"name":"2020 13th International Conference \"Management of large-scale system development\" (MLSD)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130414453","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}
Pub Date : 2020-09-28DOI: 10.1109/MLSD49919.2020.9247671
V. Kulba, S. Somov
The problem of dynamic fragment allocation in a distributed data processing system is considered in the article. The model of dynamic redistribution of table fragments is described. A heuristic algorithm for placing fragments depending on the current parameters of a distributed system is presented.
{"title":"Dynamic Fragment Allocation in Distributed System with Time-Varying Parameters of its Operation","authors":"V. Kulba, S. Somov","doi":"10.1109/MLSD49919.2020.9247671","DOIUrl":"https://doi.org/10.1109/MLSD49919.2020.9247671","url":null,"abstract":"The problem of dynamic fragment allocation in a distributed data processing system is considered in the article. The model of dynamic redistribution of table fragments is described. A heuristic algorithm for placing fragments depending on the current parameters of a distributed system is presented.","PeriodicalId":103344,"journal":{"name":"2020 13th International Conference \"Management of large-scale system development\" (MLSD)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130538936","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}
Pub Date : 2020-09-28DOI: 10.1109/MLSD49919.2020.9247661
G. Grebenuk, S. Nikishov, A. Roshchin, L. Sereda
In order to provide safety of high-rise buildings, trade centers that are maintained by complex engineering systems of heating and water supply, electricity, ventilation, IT and so on, mathematical models and algorithms of mutually interacting systems suffering from failures or deliberate harmful action were reviewed. Special emphasis is put on a failure consequence distribution in an infrastructure and location of the objects that are most important for proper functionality of both separate engineering systems and the infrastructure as a whole. These models are tested on the example of heterogeneous engineering infrastructure of a science and research building, consisting of three engineering systems. During the simulation, the impact indicator of each node's vulnerability is calculated for each scenario. As a result of the calculations, a critical object was found for the considered engineering infrastructure.
{"title":"Mathematical Support for Improving the Safety of High-Tech Buildings","authors":"G. Grebenuk, S. Nikishov, A. Roshchin, L. Sereda","doi":"10.1109/MLSD49919.2020.9247661","DOIUrl":"https://doi.org/10.1109/MLSD49919.2020.9247661","url":null,"abstract":"In order to provide safety of high-rise buildings, trade centers that are maintained by complex engineering systems of heating and water supply, electricity, ventilation, IT and so on, mathematical models and algorithms of mutually interacting systems suffering from failures or deliberate harmful action were reviewed. Special emphasis is put on a failure consequence distribution in an infrastructure and location of the objects that are most important for proper functionality of both separate engineering systems and the infrastructure as a whole. These models are tested on the example of heterogeneous engineering infrastructure of a science and research building, consisting of three engineering systems. During the simulation, the impact indicator of each node's vulnerability is calculated for each scenario. As a result of the calculations, a critical object was found for the considered engineering infrastructure.","PeriodicalId":103344,"journal":{"name":"2020 13th International Conference \"Management of large-scale system development\" (MLSD)","volume":"156 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122249996","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}
Pub Date : 2020-09-28DOI: 10.1109/MLSD49919.2020.9247716
A. Kushner, E. N. Kushner
This article proposes an approach to constructing exact solutions of a third-order nonlinear evolutionary differential equation based on the theory of finite-dimensional dynamics. This theory, in turn, is based on the theory of shuffling symmetries of ordinary differential equations and it is a natural extension of the theory of dynamical systems to evolutionary partial differential equations. theory of finite-dimensional dynamics makes it possible to find families of solutions of evolution equations, depending on a finite number of parameters, among all solutions of such equations.
{"title":"Dynamics and Exact Solutions of Third-order Nonlinear Evolutionary Differential Equations","authors":"A. Kushner, E. N. Kushner","doi":"10.1109/MLSD49919.2020.9247716","DOIUrl":"https://doi.org/10.1109/MLSD49919.2020.9247716","url":null,"abstract":"This article proposes an approach to constructing exact solutions of a third-order nonlinear evolutionary differential equation based on the theory of finite-dimensional dynamics. This theory, in turn, is based on the theory of shuffling symmetries of ordinary differential equations and it is a natural extension of the theory of dynamical systems to evolutionary partial differential equations. theory of finite-dimensional dynamics makes it possible to find families of solutions of evolution equations, depending on a finite number of parameters, among all solutions of such equations.","PeriodicalId":103344,"journal":{"name":"2020 13th International Conference \"Management of large-scale system development\" (MLSD)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124579478","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}
Pub Date : 2020-09-28DOI: 10.1109/mlsd49919.2020.9247739
{"title":"MLSD 2020 TOC","authors":"","doi":"10.1109/mlsd49919.2020.9247739","DOIUrl":"https://doi.org/10.1109/mlsd49919.2020.9247739","url":null,"abstract":"","PeriodicalId":103344,"journal":{"name":"2020 13th International Conference \"Management of large-scale system development\" (MLSD)","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124210429","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}
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