Использование платформ виртуальной реальности для поддержки принятия решений в многоуровневых образовательных системах

The authors endeavor to develop an approach toward designing academic digital shadows and twins for efficient management of educational processes in training professionals in the real-time mode, as well as for strategic and immediate decisions. They suggest a model for direct management of multilevel educational processes and development of individual educational trajectories (IET) through using digital twins (DT) within the educational process in the years 3–4, master’s programs, and within the framework of continuing professional education. The general concept of DT application in educational organization is developed, i. e. student-oriented model with IET as a core. The authors also examine IET as an instrument of mobile and rapid re-engineering of educational processes scaled t o t he a ctual n eeds o f t he e conomy a nd e mployers’ c urrent d emands; as well as general approaches to IET support, in particular, through online educational technologies and virtual educational platforms and resources. The virtual reality platforms may be used in distance learning when developing IET in multilevel educational systems. The authors compare several virtual reality platforms, metauniverses, their tools and applications in educational processes.Статья посвящена разработке подхода к проектированию цифрвых теней и двойников вузов для реализации концепции рационального управления образовательным процессом при обучении специалистов в режиме реального времени и для поддержки принятия стратегических и оперативных решений. Предложена модель для непосредственного управления многоуровневыми образовательными процессами и формированием индивидуальных образовательных траекторий (ИОТ) с использованием цифрового двойника (ЦД) в образовательном процессе на 3–4 к урсах, в м агистратуре, а т акже в рамках дополнительного профессионального образования. Разработана общая концепция использования ЦД в образовательной организации: студентоцентричная модель, ядром которой является ИОТ. Рассмотрены вопросы формирования ИОТ как инструмента мобильного и оперативного реинжиниринга образовательных процессов с учётом потребности экономики и текущего заказа работодателей, а также общие подходы к обеспечению ИОТ, в том числе за счёт дистанционных образовательных технологий, с использованием виртуальных образовательных платформ и ресурсов. Освещены вопросы использования платформ виртуальной реальности как элементов дистанционного обучения при формировании ИОТ в многоуровневых образовательных системах. Приведено сравнение ряда платформ виртуальной реальности, метавселенных, их инструментария и использования в образовательном процессе. Названы элементы метавселенной и подходы к формированию её архитектуры

Bringing math to LOD: A semantic publishing platform prototype for scientific collections in mathematics

We present our work on developing a software platform for mining mathematical scholarly papers to obtain a Linked Data representation. Currently, the Linking Open Data (LOD) cloud lacks up-to-date and detailed information on professional level mathematics. To our mind, the main reason for that is the absence of appropriate tools that could analyze the underlying semantics in mathematical papers and effectively build their consolidated representation. We have developed a holistic approach to analysis of mathematical documents, including ontology based extraction, conversion of the article body as well as its metadata into RDF, integration with some existing LOD data sets, and semantic search. We argue that the platform may be helpful for enriching user experience on modern online scientific collections. © 2013 Springer-Verlag

Thomson scattering diagnostics at the Globus M2 tokamak

The paper is devoted to the Thomson scattering (TS) diagnostics recently developed for the Globus-M2 spherical tokamak and prototyping the ITER divertor TS diagnostics. The distinctive features of the system are the use of spectrometers, acquisition system and lasers that meet the base requirements for ITER TS diagnostics. The paper describes the diagnostic system that allows precise measurements of TS signals, as well as the results of the first measurements of electron temperature and density in both central region of the plasma column and scrape-off layer. The system provides measurements of electron temperature $T_{e}$ in the range of 5 eV to 5 keV and density $n_{e}$ in the range of $5{\cdot}10^{17}{\div}3.25{\cdot}10^{20} m^{-3}$. The use of two ITER-grade probing lasers of different wavelengths (Nd:YAG 1064.5 nm and Nd:YLF 1047.3 nm) allows reliable measurement of $T_{e}$ in multi-colour mode, i.e., assuming that spectral calibration is unknown

Performance of the CMS Cathode Strip Chambers with Cosmic Rays

The Cathode Strip Chambers (CSCs) constitute the primary muon tracking device in the CMS endcaps. Their performance has been evaluated using data taken during a cosmic ray run in fall 2008. Measured noise levels are low, with the number of noisy channels well below 1%. Coordinate resolution was measured for all types of chambers, and fall in the range 47 microns to 243 microns. The efficiencies for local charged track triggers, for hit and for segments reconstruction were measured, and are above 99%. The timing resolution per layer is approximately 5 ns

Performance and Operation of the CMS Electromagnetic Calorimeter

The operation and general performance of the CMS electromagnetic calorimeter using cosmic-ray muons are described. These muons were recorded after the closure of the CMS detector in late 2008. The calorimeter is made of lead tungstate crystals and the overall status of the 75848 channels corresponding to the barrel and endcap detectors is reported. The stability of crucial operational parameters, such as high voltage, temperature and electronic noise, is summarised and the performance of the light monitoring system is presented

Calibration of the CMS Drift Tube Chambers and Measurement of the Drift Velocity with Cosmic Rays

Peer reviewe

Alignment of the CMS silicon tracker during commissioning with cosmic rays

The CMS silicon tracker, consisting of 1440 silicon pixel and 15 148 silicon strip detector modules, has been aligned using more than three million cosmic ray charged particles, with additional information from optical surveys. The positions of the modules were determined with respect to cosmic ray trajectories to an average precision of 3-4 microns RMS in the barrel and 3-14 microns RMS in the endcap in the most sensitive coordinate. The results have been validated by several studies, including laser beam cross-checks, track fit self-consistency, track residuals in overlapping module regions, and track parameter resolution, and are compared with predictions obtained from simulation. Correlated systematic effects have been investigated. The track parameter resolutions obtained with this alignment are close to the design performance

Commissioning and performance of the CMS silicon strip tracker with cosmic ray muons

This is the Pre-print version of the Article. The official published version of the Paper can be accessed from the link below - Copyright @ 2010 IOPDuring autumn 2008, the Silicon Strip Tracker was operated with the full CMS experiment in a comprehensive test, in the presence of the 3.8 T magnetic field produced by the CMS superconducting solenoid. Cosmic ray muons were detected in the muon chambers and used to trigger the readout of all CMS sub-detectors. About 15 million events with a muon in the tracker were collected. The efficiency of hit and track reconstruction were measured to be higher than 99% and consistent with expectations from Monte Carlo simulation. This article details the commissioning and performance of the Silicon Strip Tracker with cosmic ray muons.This work is supported by FMSR (Austria); FNRS and FWO (Belgium); CNPq, CAPES, FAPERJ, and FAPESP (Brazil); MES (Bulgaria); CERN; CAS, MoST, and NSFC (China); COLCIENCIAS (Colombia); MSES (Croatia); RPF (Cyprus); Academy of Sciences and NICPB (Estonia); Academy of Finland, ME, and HIP (Finland); CEA and CNRS/IN2P3 (France); BMBF, DFG, and HGF (Germany); GSRT (Greece); OTKA and NKTH (Hungary); DAE and DST (India); IPM (Iran); SFI (Ireland); INFN (Italy); NRF (Korea); LAS (Lithuania); CINVESTAV, CONACYT, SEP, and UASLP-FAI (Mexico); PAEC (Pakistan); SCSR (Poland); FCT (Portugal); JINR (Armenia, Belarus, Georgia, Ukraine, Uzbekistan); MST and MAE (Russia); MSTDS (Serbia); MICINN and CPAN (Spain); Swiss Funding Agencies (Switzerland); NSC (Taipei); TUBITAK and TAEK (Turkey); STFC (United Kingdom); DOE and NSF (USA)