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Wyszukujesz frazę "dynamic system simulation" wg kryterium: Temat

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    Tytuł:
    Basic solutions for a program system for dynamic systems simulation
    Autorzy:
    Timofeev, A. O.
    Powiązania:
    https://bibliotekanauki.pl/articles/92971.pdf
    Data publikacji:
    2006
    Wydawca:
    Uniwersytet Przyrodniczo-Humanistyczny w Siedlcach
    Tematy:
    dynamic system simulation
    creating interactive applications
    Amethyst program system
    calculating the component state
    decentralized processing the signal delays
    filtering
    analog objects simulating
    Opis:
    The article presents basic solutions of the Amethyst program system. The system generates interactive applications for simulating complex dynamic systems. The method of presenting the information about the state of the simulated objects and method of calculating the component state are proposed. Method of decentralized processing the signal delays and filtering is discussed. Method of analog objects simulating is proposed. The article presents examples of projects produced for C++ Builder, Visual C++ and Visual Basic 2005 environment projects. The executable times of simulation are compared for the above mentioned environment applications.
    Źródło:
    Studia Informatica : systems and information technology; 2006, 1(7); 255-263
    1731-2264
    Pojawia się w:
    Studia Informatica : systems and information technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Design and Dynamics Modeling for Electric Vehicle
    Autorzy:
    Tomasikova, M.
    Brumerčík, F.
    Nieoczym, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/117709.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Promocji Wiedzy
    Tematy:
    mathematical model of vehicle
    multibody system simulation
    dynamic simulation
    Opis:
    This paper descript software for vehicle simulation and mathematical models that describe the motion of the vehicle. A dynamic simulation model of vehicle was developed using Matlab/Simulink and SimDriveline toolbox. The model has a configurable structure that is suitable to simulation with multiple levels. The powertrain system model developed using Simulink and SimDrivline could also be used as a generic, modular and flexible vehicle modeling platform to support the integration of powertrain design and control system optimization.
    Źródło:
    Applied Computer Science; 2017, 13, 3; 19-31
    1895-3735
    Pojawia się w:
    Applied Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Remarks on the gluing algorithm for multibody systems co-simulation
    Autorzy:
    Tomulik, P.
    Frączek, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/115845.pdf
    Data publikacji:
    2012
    Wydawca:
    Fundacja na Rzecz Młodych Naukowców
    Tematy:
    simulator coupling
    co-simulation
    waveform relaxation
    dynamic iteration
    multibody system dynamics
    Opis:
    This paper briefs a part of authors’ study on co-simulation techniques and their application to multibody system dynamics. The main concern of the study is on construction and properties of algorithms that are suitable for such purpose. One of the proposed methods from literature is so-called “gluing-algorithm” by Wang et al. These authors proposed Newton iteration to couple several simulators of mechanical subsystems through constraints/reactions, and provided numerical examples to suggest efficiency of the method. Here we re-investigate the method in order to underline some problems that one might meet when using the “gluingalgorithm”.
    Źródło:
    Challenges of Modern Technology; 2012, 3, 1; 19-32
    2082-2863
    2353-4419
    Pojawia się w:
    Challenges of Modern Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Transient Energy Models of Housing Facilities Operation
    Autorzy:
    Deshko, Valerii
    Bilous, Inna
    Biriukov, Dmytro
    Yatsenko, Olena
    Powiązania:
    https://bibliotekanauki.pl/articles/2069893.pdf
    Data publikacji:
    2021
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    dynamic modelling
    simulation
    temperature
    heating system load
    controller
    Matlab
    Simscape
    Simulink
    EnergyPlus
    Opis:
    Buildings are the main consumer of energy resources in the total energy balance of the countries in Central and Eastern Europe, the main energy consumption is allocated for heating. Efficient use of energy resources for heating needs to a large extent depends on the efficiency of regulation of heating systems. In the article, dynamic mathematical models of a two-room typical apartment in Ukraine, built in 2016, were developed in Matlab and EnergyPlus software environment. The simulations were carried out using IWEC hourly climate data for the city of Kyiv. The results of simulations of thermal energy consumption in Matlab are characterized by a larger range of fluctuations of the heating system load, which is typical for the real operating conditions of the system with the controller of ON/OFF type. In EnergyPlus it is assumed that the gas boiler operates continuously in the ON mode. In the research, the change of load on the apartment heating system was studied at different numbers and locations of air temperature control sensors installation, according to which the controller of the autonomous gas boiler operates.
    Źródło:
    Rocznik Ochrona Środowiska; 2021, 23; 539--551
    1506-218X
    Pojawia się w:
    Rocznik Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An influence of track stiffness discontinuity on pantograph base vibrations and catenary–pantograph dynamic interaction
    Autorzy:
    Bryja, Danuta
    Hyliński, Adam
    Powiązania:
    https://bibliotekanauki.pl/articles/178448.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    catenary–train–track system
    track stiffness discontinuity
    railway vehicle suspension
    vibration simulation
    catenary–pantograph dynamic interaction
    Opis:
    In this article, the computational methodology of the catenary–train–track system vibration analysis is presented and used to estimate the influence of vehicle body vibrations on the pantograph–catenary dynamic interaction. This issue is rarely referred in the literature, although any perturbations appearing at the pantograph–catenary interface are of great importance for high-speed railways. Vehicle body vibrations considered in this article are induced by the passage of train through the track stiffness discontinuity, being a frequent cause of significant dynamic effects. First, the most important assumptions of the computational model are presented, including the general idea of decomposing catenary–train–track dynamic system into two main subsystems and the concept of one-way coupling between them. Then, the pantograph base vibrations calculated for two train speeds (60 m/s, 100 m/s) and two cases of track discontinuity (a sudden increase and a sudden decrease in the stiffness of track substrate) are analyzed. Two cases of the railway vehicle suspension are considered – a typical two-stage suspension and a primary suspension alone. To evaluate catenary–pantograph dynamic interaction, the dynamic uplift of the contact wire at steady arm and the pantograph contact force is computed. It is demonstrated that an efficiency of the two-stage suspension grows with the train speed; hence, such vehicle suspension effectively suppresses strong sudden shocks of vehicle body, appearing while the train passes through the track stiffness discontinuity at a high speed. In a hypothetical case when the one-stage vehicle suspension is used, the pantograph base vibrations may increase the number of contact loss events at the catenary–pantograph interface.
    Źródło:
    Studia Geotechnica et Mechanica; 2020, 42, 2; 111-124
    0137-6365
    2083-831X
    Pojawia się w:
    Studia Geotechnica et Mechanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Drive simulation tests for electric drilling rig
    Autorzy:
    Kotwica, Krzysztof
    Stopka, Grzegorz
    Powiązania:
    https://bibliotekanauki.pl/articles/2064424.pdf
    Data publikacji:
    2019
    Wydawca:
    STE GROUP
    Tematy:
    drilling rig
    bolting rig
    electric drive system
    dynamic simulation
    wiertnica
    wóz kotwiący
    elektryczny układ napędowy
    symulacja dynamiczna
    Opis:
    The article presents methodology and selected results of simulation tests of diesel and electric dive system for drilling rig. Research in this field were conducted under the project no. POIR.01.01.01-00-D011/16 entitled „New generation of modular rigs, drilling and bolting, with battery drives, designated to work in underground cooper ore and raw rock material mines”. The project is funded by the National Center of Research and Development (NCBiR). The aim of the project is to design and implementation of innovation drilling and bolting rig with electric drive system. Due to the complexity of the structure of the drive system (mechanical, hydraulic and electrical elements), it was necessary to use advanced simulation software dedicated to multiphysics analysis. Data presented in the article can be used as guidelines in design process of drilling and bolting rigs as well as in optimization their driving system and mechanical construction.
    Źródło:
    New Trends in Production Engineering; 2019, 2, 1; 96--103
    2545-2843
    Pojawia się w:
    New Trends in Production Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Modelling the suspended monorail route stresses and deflections during the transport of heavy loads with use of diesel locomotives
    Autorzy:
    Shyrin, Leonid
    Herasymenko, Andrii
    Inyutkin, Ivan
    Powiązania:
    https://bibliotekanauki.pl/articles/27324384.pdf
    Data publikacji:
    2023
    Wydawca:
    Instytut Techniki Górniczej KOMAG
    Tematy:
    arch support
    heavy loads
    dynamic loads
    auxiliary transport
    lifting and transport system
    transport and technological system
    solidworks simulation
    transport
    kopalnie
    diesel
    Opis:
    Based on the results of tests of the monorail transport system using suspended diesel locomotives with traditional transport beams and with the use of an innovative system of transport beams for the delivery of heavy loads, it was found that to reduce the dynamics of the load to the elements of the suspended route segments fastened to the arches of the arch support, it is beneficial to use the proposed an innovative technical solution that increases the reliability of the route catches to the support arches, which is important when transporting heavy loads. The new solution significantly reduces the dynamic loads to the route catches to the support arches by redistributing the load over a greater number of sections of the suspended monorail route. It has been proven that during the period of intensification of preparatory work, these technical solutions make it possible to keep to the timely preparation of new mining pillars and are perceived as a promising direction for improving the existing transport system for the mines of the region and ensuring the operational parameters of mining transport equipment at a high technical level in the specific conditions of the mines of Western Donbass.
    Źródło:
    Mining Machines; 2023, 41, 2; 132--142
    2719-3306
    Pojawia się w:
    Mining Machines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Dynamic reliability assessment of a complex recovery system using fault tree, fuzzy inference and discrete event simulation
    Autorzy:
    Nobakhti, Abolghasem
    Raissi, Sadigh
    Damghani, Kaveh Khalili
    Soltani, Roya
    Powiązania:
    https://bibliotekanauki.pl/articles/2038031.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
    Tematy:
    dynamic reliability assessment
    Fault Tree Analysis (FTA)
    Mamdani Fuzzy Inference Method
    discrete event simulation
    flare gas recovery system
    Opis:
    Any failure on the recovery system will cause a lot of environmental damage as well as energy loss. Hereof two types of alternatives; fast opening valve system (FOVS) and seal drum system (SDS) may be installed. The focus of this article is on the decision stage to choose the most preferred option in terms of reliability assessment. The major challenge in the research problem is on changing the pressure and temperature during operational cycles, which significantly affect the reliability. In addition, the lack of historical data complicates the reliability assessment method. Hence, we proposed a hybrid approach using fault tree analysis (FTA) and the Mamdani fuzzy inference to estimate reliability response as a function of a few frequently operating pressure and temperature. Also, discrete-event simulation helped us to evaluate the system reliability at different operating conditions. The comparisons reveals that the FOVs outperforms on average of 22.4% than the SDS and it is recommended for putting into practice for purchasing.
    Źródło:
    Eksploatacja i Niezawodność; 2021, 23, 4; 593-604
    1507-2711
    Pojawia się w:
    Eksploatacja i Niezawodność
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Directional dynamics problems of an articulated frame steer wheeled vehicles
    Autorzy:
    Dudziński, P.
    Skurjat, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/248101.pdf
    Data publikacji:
    2012
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    articulated frame steer vehicles
    snaking
    experimental and simulation tests
    steering system stiffness
    dynamic properties of multi-dimensional tyres
    Opis:
    One of the current trends in industrial wheeled vehicles is to increase their mobility, i.e. the ability to travel at speeds ranging from 50 even up to 100 km/h, e.g. military engineering machines. As a result of the high demands put on such vehicles several previously unknown problems with their dynamics have come to light. The paper presents the results of experimental and MSC Adams view simulation tests for snaking movement of an articulated frame steer vehicle such as bucket loader. The model precisely accounts for machine units’ mass and geometry along with their inertia. Additionally, the model includes hydrostatic steering gear submodel and its geometry and the submodel of a drive train with dynamic properties of multi-dimensional tyres as well. Experimental and virtual tests demonstrated that directional dynamics of articulated frame steer wheeled vehicles are largely affected by total (equivalent) steering gear torsional stiffness, dynamic properties of largesize tyres and type of vehicle’s wheel drive. Simulation studies used the results of experimental studies whereby the simulation outcome provides interesting and original guidelines for articulated frame steer vehicles manufacturers.
    Źródło:
    Journal of KONES; 2012, 19, 1; 89-98
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The H2 and Robust Hinf Regulators Applied to Multivariable Ship Steering
    Autorzy:
    Gierusz, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/116961.pdf
    Data publikacji:
    2009
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Dynamic Ship Positioning (DSP)
    Multivariable Ship Steering
    Ship Steering
    Multivariable Regulators
    Simulation Model
    Open-Loop System
    Ship Handling Research and Training Centre at Ilawa
    Polska
    Manoeuvring
    Opis:
    The main goal of this task was a calculation of the two multivariable regulators for precise steering of a real, floating, training ship. The first one minimized the H2 norm of the closed-loop system. The second one was related to the Hinf norm. The robust control approach was applied in this controller with the usage of the structured singular value concept. Both controllers are described in the first part of the paper. Details of the training vessel and its simulation model then are presented. The state model of the control object obtained via identification process is described in the next section. This model with matrices weighting functions was the base for creation of ’the augmented state model’ for the open-loop system. The calculation results of the multivariable controllers is also shown in this section. Several simulations were performed in order to verify the control quality of both regulators. Exemplary results are presented at the end of this paper together with final remarks.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2009, 3, 4; 431-440
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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