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Position Observation for Proportional Solenoid Valves by Signal Injection

IFAC-PapersOnLine 2016年第21期49卷 74-79页

作者： Braun, Tristan Reuter, Johannes Rudolph, Joachim Institute of System Dynamics Konstanz University of Applied Sciences Konstanz78462 Germany Chair of Systems Theory and Control Engineering Saarland University Campus A5 1 Saarbrücken66123 Germany

The method of signal injection is investigated for position estimation of proportional solenoid valves. A simple observer is proposed to estimate a position-dependent parameter, i.e. the eddy current resistance, from which the position is calculated analytically. Therefore, the relationship of position and impedance in the case of sinusoidal excitation is accurately described by consideration of classical electrodynamics. The observer approach is compared with a standard identification method, and evaluated by practical experiments on an off-the-shelf proportional solenoid valve. © 2016

关键词： Solenoid valves Electromagnets Hydraulic actuators Magnetic actuators Magnetic fields Parameter estimation Solenoids Classical electrodynamics Electromagnetic devices Identification method Observers Position dependents Position estimation Proportional solenoid valves Sinusoidal excitations

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On exact solutions of a heat-wave type with logarithmic front for the porous medium equation

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Journal of Physics: Conference Series 2017年第1期894卷

作者： A L Kazakov A A Lempert S S Orlov Matrosov Institute for System Dynamics and Control Theory SB RAS Irkutsk Russia Irkutsk State University Irkutsk Russia

The paper deals with a nonlinear second-order parabolic equation with partial derivatives, which is usually called 'the porous medium equation'. It describes the processes of heat and mass transfer as well as filtration of liquids and gases in porous media. In addition, it is used for mathematical modeling of growth and migration of population. Usually this equation is studied numerically like most other nonlinear equations of mathematical physics. So, the construction of exact solution in an explicit form is important to verify the numerical algorithms. The authors deal with a special solutions which are usually called 'heat waves'. A new class of heat-wave type solutions of one-dimensional (plane-symmetric) porous medium equation is proposed and analyzed. A logarithmic heat wave front is studied in details. Considered equation has a singularity at the heat wave front, because the factor of the highest (second) derivative vanishes. The construction of these exact solutions reduces to the integration of a nonlinear second-order ordinary differential equation (ODE). Moreover, the Cauchy conditions lead us to the fact that this equation has a singularity at the initial point. In other words, the ODE inherits the singularity of the original problem. The qualitative analysis of the solutions of the ODE is carried out. The obtained results are interpreted from the point of view of the corresponding heat waves' behavior. The most interesting is a damped solitary wave, the length of which is constant, and the amplitude decreases.

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Simulation modeling in heterogeneous distributed computing environments to support decisions making in warehouse logistics

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Procedia Engineering 2017年 201卷 524-533页

作者： I. Bychkov G. Oparin A. Tchernykh A. Feoktistov V. Bogdanova Yu. Dyadkin V. Andrukhova O. Basharina Matrosov Institute for System Dynamics and Control Theory of SB RAS 134 Lermontov st. Irkutsk 664033 Russia CICESE Research Center Carretera Ensenada-Tijuana No. 3918 Zona Playitas Ensenada B.C. 22860 Mexico Irkutsk State University 1 KarlMarks St. Irkutsk 664003 Russia Irkutsk National Research Technical University 83 Lermontov St. Irkutsk 664074 Russia

We address an important problem of automation in simulation modeling of logistics warehouses. An effective solution for such a large-scale problem is difficult to obtain without high-performance computing. To this end, we propose a new approach for adjusting management system parameters of the warehouse in its production use. It is based on the integration of conceptual, wireframe, and service-oriented programming used to develop parameter sweep applications and data analysis in simulation modeling in heterogeneous distributed computing environments. We design a toolkit to support modeling of warehouse logistics. Using this toolkit, we develop a parameter sweep application and solve three optimization tasks for adjusting parameters of a warehouse management system. The practical experiments are focused on the refrigerated warehouse. The developed applications demonstrate high efficiency and scalability capabilities to optimize nine criteria to cope with different production demands.

关键词： simulation modeling queue systems toolkit distributed computing parameter sweep applications

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Mott dissociation of pions and kaons in hot, dense quark matter

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Physical Review D 2017年第9期96卷 094008-094008页

作者： D. Blaschke A. Dubinin A. Radzhabov A. Wergieluk Institute for Theoretical Physics University of Wroclaw 50-204 Wroclaw Poland Bogoliubov Laboratory for Theoretical Physics JINR Dubna 141980 Dubna Russia National Research Nuclear University (MEPhI) 115409 Moscow Russia Marian Smoluchowski Institute of Physics Jagellonian University Cracow 30-348 Cracow Poland Matrosov Institute for System Dynamics and Control Theory Irkutsk 664033 Russia Department of Physics and Astronomy University of California Los Angeles California 90095-1547 USA

We describe the Mott dissociation of pions and kaons within a Beth-Uhlenbeck approach based on the Polyakov-loop improved Nambu–Jona-Lasinio model, which allows for a unified description of bound, resonant and scattering states. Within this model we evaluate the temperature and chemical potential dependent modification of the phase shifts both in the pseudoscalar and scalar isovector meson channels for Nf=2+1 quark flavors. We show that the character change of the pseudoscalar bound states to resonances in the continuum at the Mott transition temperature is signaled by a jump of the phase shift at the threshold from π to zero, in accordance with the Levinson theorem. In particular, we demonstrate the importance of accounting for the scattering continuum states, which ensures that the total phase shift in each of the meson channels vanishes at high energies, thus eliminating mesonic correlations from the thermodynamics at high temperatures. In this way, we prove that the present approach provides a unified description of the transition from a meson gas to a quark-gluon plasma. We discuss the occurrence of an anomalous mode for mesons composed of quarks with unequal masses which is particularly pronounced for K+ and κ+ states at finite densities a a possible mechanism to explain the “horn” effect for the K+/π+ ratio in heavy-ion collisions.

关键词： Bound states Finite temperature field theory Nonperturbative effects in field theory Quark-gluon plasma Relativistic heavy-ion collisions

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Automation of multi-agent control for complex dynamic systems in heterogeneous computational network

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AIP Conference Proceedings 2017年第1期1798卷

作者： Gennady Oparin Alexander Feoktistov Vera Bogdanova Ivan Sidorov Matrosov Institute for System Dynamics and Control Theory Siberian Branch of Russian Academy of Sciences 134 Lermontov str. Irkutsk 664033 Russia

The rapid progress of high-performance computing entails new challenges related to solving large scientific problems for various subject domains in a heterogeneous distributed computing environment (e.g., a network, Grid system, or Cloud infrastructure). The specialists in the field of parallel and distributed computing give the special attention to a scalability of applications for problem solving. An effective management of the scalable application in the heterogeneous distributed computing environment is still a non-trivial issue. control systems that operate in networks, especially relate to this issue. We propose a new approach to the multi-agent management for the scalable applications in the heterogeneous computational network. The fundamentals of our approach are the integrated use of conceptual programming, simulation modeling, network monitoring, multi-agent management, and service-oriented programming. We developed a special framework for an automation of the problem solving. Advantages of the proposed approach are demonstrated on the parametric synthesis example of the static linear regulator for complex dynamic systems. Benefits of the scalable application for solving this problem include automation of the multi-agent control for the systems in a parallel mode with various degrees of its detailed elaboration.

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The contribution of axial-vector mesons to hyperfine structure of muonic hydrogen

arXiv

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arXiv 2017年

作者： Dorokhov, A.E. Kochelev, N.I. Martynenko, A.P. Martynenko, F.A. Radzhabov, A.E. Joint Institute of Nuclear Research BLTP Moscow region Dubna141980 Russia Institute of Modern Physics of Chinese Academy of Sciences Lanzhou730000 China Joint Institute of Nuclear Research BLTP Moscow region Dubna141980 Russia Samara University Samara443086 Russia Institute of Modern Physics Chinese Academy of Sciences Lanzhou730000 China Matrosov Institute for System Dynamics and Control Theory SB RAS Irkutsk664033 Russia

The contribution from the axial-vector meson exchange to the potential of the muon-proton interaction in muonic hydrogen induced by anomalous axial-vector meson coupling to two photon state is calculated. It is shown that such contribution to the hyperfine splitting in muonic hydrogen is large and important for a comparison with precise experimental data. In the light of our result, the proton radius"puzzle" is discussed. Copyright © 2017, The Authors. All rights reserved.

关键词： Bosons

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Bounds on rare decays of η and η0 mesons from the neutron EDM

arXiv

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arXiv 2018年

作者： Zhevlakov, Alexey S. Gorchtein, Mikhail Hiller Blin, Astrid N. Gutsche, Thomas Lyubovitskij, Valery E. Department of Physics Tomsk State University Tomsk634050 Russia Matrosov Institute for System Dynamics and Control Theory SB RAS Lermontov str. 134 Irkutsk664033 Russia Institut für Kernphysik Johannes Gutenberg-Universität Mainz Germany PRISMA Cluster of Excellence Johannes Gutenberg-Universität Mainz Germany Institut für Theoretische Physik Universität Tübingen Kepler Center for Astro and Particle Physics Auf der Morgenstelle 14 TübingenD-72076 Germany Departamento de Física y Centro Científico Tecnológico de Valparaíso-CCTVal Universidad Técnica Federico Santa María Casilla 110-V Valparaíso Chile Laboratory of Particle Physics Tomsk Polytechnic University Tomsk634050 Russia

We provide model-independent bounds on the rates of rare decays η(η0) → ππ based on experimental limits on the neutron electric dipole moment (nEDM). Starting from phenomenological η(η0)ππ couplings, the nEDM arises at two loop level. The leading-order relativistic ChPT calculation with the minimal photon coupling to charged pions and a proton inside the loops leads to a finite, counter term-free result. This is an improvement upon previous estimates which used approximations in evaluating the two loop contribution and were plagued by divergences. While constraints on the η(η0)ππ couplings in our phenomenological approach are somewhat milder than in the picture with the QCD θ-term, our calculation means that whatever the origin of these couplings, The decays η(η0) → 2π will remain unobservable in the near future. Copyright © 2018, The Authors. All rights reserved.

关键词： Bosons

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Impulse position control for differential inclusions

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AIP Conference Proceedings 2018年第1期2048卷

作者： I. A. Finogenko A. N. Sesekin 1Matrosov Institute for System Dynamics and Control Theory Siberian Branch of Russian Academy of Sciences 134 S. Lermontov Irkutsk 664033 Russia 2Ural Federal University 19 S. Mira Ekaterinburg 620002 Russia 3N. N. Krasovskii Institute of Mathematics and Mechanics Ural Division of Russian Academy of Sciences 16 S. Kovalevskaya Ekaterinburg 620990 Russia

For a nonlinear control system, presented in the form of a differential inclusion with impulse control, the concept of the impulse-sliding regime generated by the positional impulse control is defined. The basis of formalization is a discrete scheme. It is shown that the impulse-sliding regime satisfies some differential inclusion. Illustrative examples are given.

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Air pollution and population morbidity forecasting with artificial neural networks

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IOP Conference Series: Earth and Environmental Science 2018年第1期211卷

作者： A Yu Gornov T S Zarodnyuk N V Efimova Institute for System Dynamics and Control Theory Siberian Branch of Russian Academy of Sciences Lermontov str. 134 Post Box 64033 Irkutsk Russia East-Siberian Institute of Medical and Ecological Research 12a District 3 665827 Angarsk Russia

Incidence prediction models for urban population have not yielded consistent or highly accurate results. The complex nature of the interrelationship between 'environmental factors and incidence' has many nonlinear associations with outcomes. We explore artificial neural networks (ANNs) to predict the complex interactions between the risk factors of incidence among the urban population. ANN modeling using a standard feed-forward, back-propagation neural network with three layers (i.e., an input layer, a hidden layer, and an output layer) is used to predict the incidences of diseases of children and adults. A receiver-operating characteristic (ROC) analysis is used to assess the model accuracy. We develop a mathematical model taking into account factors of natural, anthropogenic, and social environments. The model effectiveness is proved by computing experiments for the Bratsk industrial centre (Irkutsk region, Russia). Optimal air pollution levels are offered to achieve a background morbidity level among different age groups of the population. The prediction of incidence is most accurate when using the ANN model with several univariate influences on the outcome. An incorporation of some computerized learning systems might improve decision making and outcome prediction.

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Logical-Algebraic Equations Application in Discrete-Event systems Studying

Logical-Algebraic Equations Application in Discrete-Event Sy...

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International Convention on Information and Communication Technology, Electronics and Microelectronics

作者： Nadezhda Nagul Matrosov Institute for System Dynamics and Control Theory Siberian Branch of the Russian Academy of Science Lermontov str. 134 664033 Irkutsk Russia

ISBN: (纸本)9781509025435

Discrete-event systems (DESs) are a wide range of models used primarily to deal with complex technological objects, e.g. communication networks and computer systems. To regulate DES behavior, Ramadge-Wonham supervisory control theory is often used. As usual, only a part of DES's event set is available for supervisor to obtain control pattern. However, sometimes information about the system state is provided by sensors. The issue of correlation between one essential property of supervisors for a DES with state and event observation and for a DES with event observation only is studied using the method of logical-algebraic equations, proved to be very useful in studying various dynamical systems.

关键词： Mathematical model Supervisory control Discrete-event systems Observability system dynamics Communication networks Sensors discrete event systems networks(communications) Supervisory control Observability system dynamics Sensors Mathematical Model DES gene Diethylstilbestrol Telecommunications Supervisors DYNAMICAL systemS

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