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Study of the measurements placement problem for planning of the optimal experiment

Grebneva O.A. Study of the measurements placement problem for planning of the optimal experiment // E3S Web of Conferences. Vol.102. ID: 03006. 2019. DOI: 10.1051/e3sconf/201910203006 Both in Russia and abroad, there are works that are devoted to the problem of optimal placement of measuring devices, which are evidenced by the current literature. The proposed methods are not universal, that does not allow them to be directly used for different types of pipeline systems. In addition, the developed...

Теги: hydraulic equipment , numerical methods , pipelines , piping systems , water pipelines , finite number , global solutions , mathematical formulation , measuring device , optimal experiments , optimal placements
Раздел: ИСЭМ СО РАН
Problems and technologies of remote access to unified information space of urban pipeline systems

Alekseev A., Mikhailovsky E. Problems and technologies of remote access to unified information space of urban pipeline systems // E3S Web of Conferences. Vol.102. ID: 04002. 2019. DOI: 10.1051/e3sconf/201910204002 The paper presents the experience of applying modern information technologies while operating the urban pipeline systems. Consideration is given to the main problems interfering with ensuring the efficient modes of pipeline systems operation that are caused by uncertainty and inconsistency...

Теги: digital devices , hydraulic equipment , mobile telecommunication systems , pipelines , piping systems , problem solving , scada systems , water pipelines , information spaces , mobile communication devices , mo
Раздел: ИСЭМ СО РАН
Research of the problems and development of the indicators of controllability analysis of pipeline systems

Novitsky N. Research of the problems and development of the indicators of controllability analysis of pipeline systems // E3S Web of Conferences. Vol.102. ID: 03009. 2019. DOI: 10.1051/e3sconf/201910203009 The article is devoted to the problem of analyzing the controllability of pipeline systems (PLS) of the power industry (heat, water, gas, etc.). Controllability for the first time is considered as a complex property that includes such private properties as permissibility, reliability, and efficiency...

Теги: controllability , hydraulic equipment , piping systems , water pipelines , complex properties , controllability analysis , external influences , intelligent automation , operation conditions , pipe-line system
Раздел: ИСЭМ СО РАН
Modelling hydraulic regimes of pipeline systems using the theory of hydraulic circuits in the Internet

Mikhailovsky Y. Modelling hydraulic regimes of pipeline systems using the theory of hydraulic circuits in the Internet // MATEC Web of Conferences. Vol.212. ID: 06006. 2018. DOI: 10.1051/matecconf/201821206006 Along with a brief description of the main problems of pipeline systems (water, gas, heat, fire extinguishing), it is claimed that the energy and resource saving reserves available here can, to a large extent, be implemented through the rational organization of hydraulic operating modes using...

Теги: computation theory , computer operating systems , fire extinguishers , hydraulic equipment , hydraulic machinery , pipelines , piping systems , proven reserves , students , timing circuits , water pipelines , co
Раздел: ИСЭМ СО РАН
Information and computing spaces integration for operating enterprises of pipeline systems using ""ANGARA"" computer technology

Alekseev A.V., Novitsky N.N. Information and computing spaces integration for operating enterprises of pipeline systems using ""ANGARA"" computer technology // E3S Web of Conferences. Vol.39. ID: 04001. 2018. DOI: 10.1051/e3sconf/20183904001 The article describes the informatization level of enterprises operating pipeline networks. Existing problems are presented. These problems are related to the fragmentation of information systems and the inability to provide information support...

Теги: computer operating systems , decision making , hydraulic equipment , pipelines , piping systems , water pipelines , common information spaces , computer environments , computer technology , development and ope
Раздел: ИСЭМ СО РАН
Internet system for hydraulic calculations of pipeline systems by the methods of the theory of hydraulic circuits

Mikhailovsky E.A. Internet system for hydraulic calculations of pipeline systems by the methods of the theory of hydraulic circuits // E3S Web of Conferences. Vol.39. ID: 04002. 2018. DOI: 10.1051/e3sconf/20183904002 The paper is focused on a characteristic of an innovative technology for remote application of methods of the theory of hydraulic circuits for modeling the operation of multi-loop water and gas pipeline systems, using the Internet browser. The aims, objectives and implementation principles...

Теги: hydraulic machinery , object oriented programming , pipelines , piping systems , timing circuits , water pipelines , client-server architectures , distributed software , hydraulic calculations , hydraulic circ
Раздел: ИСЭМ СО РАН
Planning of thermal-hydraulic tests of pipeline systems with the methods of active identification

Grebneva O.A. Planning of thermal-hydraulic tests of pipeline systems with the methods of active identification // E3S Web of Conferences. Vol.39. ID: 03002. 2018. DOI: 10.1051/e3sconf/20183903002 The lack of reliable information about actual characteristics and parameters is the main deterrent to the effective application of mathematical and computer-modelling methods for solving problems of optimal reconstruction, adjustment, development of operational condition, dispatching control of pipeline...

Теги: computer control systems , hydraulic equipment , pipelines , piping systems , problem solving , water pipelines , arbitrary structures , computer modelling , dispatching controls , operational conditions , pote
Раздел: ИСЭМ СО РАН
Quantitative assessment of the identifiability of pipeline systems

Novitsky N.N., Grebneva O.A. Quantitative assessment of the identifiability of pipeline systems // E3S Web of Conferences. Vol.39. ID: 03004. 2018. DOI: 10.1051/e3sconf/20183903004 The article is devoted to the issues of quantitative assessment of the identifiability of the pipeline systems (heat, water, gas supply systems etc.). Identifiability is first considered as a complex property, including such particular properties as observability and parametric identifiability. A brief description of...

Теги: covariance matrix , hydraulic equipment , observability , piping systems , water pipelines , analytic expressions , analytical expressions , covariance matrices , estimated parameter , identifiability analysis
Раздел: ИСЭМ СО РАН
Optimizing the composition of measurements for identifying pipeline systems

Grebneva O.A., Novitskii N.N. Optimizing the composition of measurements for identifying pipeline systems // Thermal Engineering (English translation of Teploenergetika). Vol.61. No.9. 2014. P.685-690. DOI: 10.1134/S0040601514090067 The task considered in the article is a constituent part of the problem of identifying pipeline systems, central to which is exerting an active effect on the conditions determining the accuracy with which the actual parameters of real systems are estimated, the knowledge...

Теги: mathematical models , piping systems , economic criteria , global solutions , measurement instruments , optimal planning , pipe-line systems , problem statement , real systems , water pipelines
Раздел: ИСЭМ СО РАН


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