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Wyświetlanie 1-15 z 108
Tytuł:
Model of vehicle electric drive system
Autorzy:
Pawelski, Z.
Zdziennicki, Z.
Powiązania:
https://bibliotekanauki.pl/articles/245296.pdf
Data publikacji:
2017
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
transport
electric vehicle
energy storage
electric drive
driving cycle
battery model
Opis:
Models of electrical energy storage devices – a battery and a supercapacitor – as well as models of motor and a control system, were used to feature the work of a hybrid electric drive system. The models were adapted to simulate driving with a given driving cycle, in a quasi-static method, with the use of MATLAB-Simulink software. The advantage of this method is that calculations can be done quickly and results can be easily compared. A battery model enables determining voltage and charge level in relation to load current and temperature. The basic parameter of a battery is a nominal capacity. It is a measure of energy stored in the battery, which can be absorbed within discharge time, in conditions of temperature and current. The energy can be absorbed until the minimal voltage is reached in the clips. The article presents simulation of calculations lead that the described electric drive model. The model makes it possible to analyse different concepts of steering the whole system already in the initial phase. In particular, the article presents PMSM model and trajectories of selected parameters during a trapezoidal driving cycle.
Źródło:
Journal of KONES; 2017, 24, 3; 211-220
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Energy characteristics of asynchronous electric drive
Autorzy:
German-Galkin, Sergiej
Sakharov, Vladimir
Tarnapowicz, Dariusz
Powiązania:
https://bibliotekanauki.pl/articles/409690.pdf
Data publikacji:
2019
Wydawca:
STE GROUP
Tematy:
energy characteristics
asynchronous electric drive
scalar control methods
vector control methods
Opis:
Energy aspects are fundamental to the design of electric drive systems. This article describes energy performance for asynchronous electric drives based on various control methods. These electric drives comparison shows that vector control methods have a significant advantage over scalar control methods. The asynchronous electric drive mathematical description is based on vector control theory and main component method. Equations, obtained by mathematical description, allow calculating of the currents, voltages and electric power at the output when the electromagnetic torque and speed machine are set. Energy characteristics of the asynchronous drive were obtained with the use of the MATLAB-SIMULINK simulation program.
Źródło:
Management Systems in Production Engineering; 2019, 1 (27); s. 51-54
2299-0461
Pojawia się w:
Management Systems in Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Control of electric drive tugboat autonomous formation
Autorzy:
Koznowski, W.
Łebkowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/24201460.pdf
Data publikacji:
2023
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
autonomous tugboat
electric tugboat
electric drive
multiagent system
tugboat formation
ship formation
passage route
maritime autonomous surface ship
Opis:
The automation of maritime transport is an indispensable trend towards full autonomy of maritime vessels. In this paper, an attempt was made to present the control system for port autonomous vessels using an agent system. On the basis of the conducted research, in order to optimize the energy consumption related to the movement of tugboats, the shape of the hull and the shape of the formation in which 4 tugboats are moving were selected. Several scenarios of navigational situations that may take place in port waters have been recognized. The conducted analysis have shown that the optimal shape of the hull of tugboats, the shape of the formation in which they move, as well as the determination of the passage route for the implementation of a specific task, can contribute to reducing both the carbon footprint and the energy consumption of the propulsion systems of tugboats. This is of significant importance in terms of reducing exhaust gas emissions in and around ports.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2023, 17, 2; 391--396
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Technological developments in vehicles with electric drive
Autorzy:
Szumska, Emilia M.
Jurecki, Rafał
Powiązania:
https://bibliotekanauki.pl/articles/24202469.pdf
Data publikacji:
2023
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
electric drive
electric vehicle
plug-in hybrid vehicle
hybrid electric vehicle
napęd elektryczny
pojazd elektryczny
pojazd hybrydowy typu plug-in
hybrydowy pojazd elektryczny
Opis:
The fleet of electric vehicles is systematically growing. Many passenger car manufacturers are already reporting that after 2030, vehicles equipped with electric propulsion will account for half of the models produced. Vehicles equipped with an electric drive include: battery-powered electric vehicles, hybrid electric vehicles and fuel cell electric vehicles. Over the years, these vehicles have undergone constant change. The aim of this paper was to review trends in the development of pure electric vehicles and plug-in hybrid vehicles.
Źródło:
Combustion Engines; 2023, 62, 3; 38--47
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Studies of electric drive with hydrostatic support
Autorzy:
Grzesikiewicz, W.
Makowski, M.
Knap, L.
Pokorski, J.
Powiązania:
https://bibliotekanauki.pl/articles/243753.pdf
Data publikacji:
2018
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
hybrid drive
energy consumption
energy efficiency
regenerative braking
city traffic
napęd hybrydowy
zużycie energii
efektywność energetyczna
hamowanie regeneracyjne
ruch miejski
Opis:
In this article, results of experimental studies concerning the relief of a city car electric drive by means of hydrostatic drive support are presented. Experimental studies were performed using a laboratory station built for this particular purpose. Studies of basic properties of elements of hydraulic system and resistances in the mechanical system were performed. The results of experimental studies of a chosen sub-assembly of hydrostatic drive (i.e. hydro-pneumatic battery) are given. The resistances within mechanical system (flywheel) were determined. In the considered hybrid drive, electric drive is cyclically supported by hydrostatic drive during acceleration or regenerative braking of the vehicle. The results of experimental studies presented in this article were obtained on a designed and built laboratory station representing a model of a lightweight delivery van for city traffic and equipped with the studied hybrid drive. The obtained results suggest that there is a possibility considerably to increase the effectiveness of energy conversion in the electric drive of the vehicle by means of hydrostatic support. By applying the hydrostatic support in the electric drive, the load on the electric battery decreased, which positively influences the length of operation time.
Źródło:
Journal of KONES; 2018, 25, 1; 265-274
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Synthesis of adaptive electric drive control system of horizontal looper
Autorzy:
Breido, Iosif
Kuntush, Yelena
Powiązania:
https://bibliotekanauki.pl/articles/141026.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
electromechanical system
horizontal looper
synthesis of damping system
variable inertia moment
Opis:
The article presents studies on the electromechanical system of a metallurgical horizontal looper in the steelmaking industry. During the operation of this unit, parameters in the system changes due to variations of length and mass of the steel strip, these variations significantly change elastic properties and reduce moments of inertia. Various methods of combating elastic vibrations in electromechanical systems are analyzed in this article. The article presents a description of experiments with a horizontal looper. A mathematical model for two extreme positions of the unit was developed based on experimental results. Simulation experiments were made and their results are presented. A new control system structure is proposed to reduce vibrations in the electromechanical system of a horizontal looper. A power-up sensor, adjuster and velocity derivative feedback were added into the model structure. The proposed feedback link structure takes into account the change of steel strip length. From the experimental data it follows that the proposed system provides effective damping of mechanical vibrations in the steel strip if its length during operation is changed.
Źródło:
Archives of Electrical Engineering; 2020, 69, 3; 679-694
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Conversion of energy in electric drive supported by the hydrostatic drive
Autorzy:
Grzesikiewicz, W.
Makowski, M.
Knap, L.
Pokorski, J.
Powiązania:
https://bibliotekanauki.pl/articles/247488.pdf
Data publikacji:
2018
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
numerical simulation
hybrid drive
electric drive
hydrostatic drive
energy conversion
city traffic
symulacja numeryczna
napęd hybrydowy
napęd elektryczny
napęd hydrostatyczny
konwersja energii
ruch miejski
Opis:
In the article, a study of conversion of energy in a hybrid (electro-hydrostatic) drive of a utility van intended for city traffic is described. In this hybrid drive, the electric drive is periodically accompanied by hydrostatic drive, especially during acceleration and regenerative braking of the vehicle. We present a mathematical model of the hybrid drive as a set of dynamics and regulation equations of the van traveling at a given speed. On this basis, we construct a computer program, which we use to simulate the processes of energy conversion in electro-hydrostatic hybrid drive. The main goal of the numerical simulation is to assess the possibility of reducing energy intensity of the electric drive through such a support of the hydrostatic drive. Our results indicate that it is possible to significantly increase the efficiency of energy conversion in the electric drive by support of the hydrostatic drive. In the article, chosen results of simulation studies for multiple starting and braking the car are given, and they show a 30% decrease for energy drawn by the hybrid drive, compared to solely electric drive.
Źródło:
Journal of KONES; 2018, 25, 1; 143-150
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Energy management system of the hybrid ultracapacitor-battery electric drive vehicles
Autorzy:
Pielecha, Ireneusz
Powiązania:
https://bibliotekanauki.pl/articles/1832900.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
electric vehicle
battery
ultracapacitor
energy flow modeling
pojazd elektryczny
bateria
ultrakondensator
Opis:
The search for new, alternative propulsion and energy sources in transport is one of the economic and technological priorities of the current decade. The modern development of hybrid drives and electric means of transport makes it possible to at least partially diversify conventional drive systems. The study discusses the use of a battery and ultracapacitor in electric vehicles. Simulation analyzes of energy flow were performed using the solutions of electric drive systems and various energy storage control algorithms. The research was carried out in relation to the use of braking energy, its con-version into electricity and its storage in a battery or ultracapacitor. The operating conditions of the battery and the ultra-capacitor were assessed in terms of specific energy consumption while driving. The article proposed the use of a drive system connected in series, the last link of which was an ultracapacitor. Such a solution significantly reduced the use of the battery as well as its regular charging-discharging. At the same time, it required the use of a high-capacity ultracapacitor, which contributed to increasing its charging time. The analyzes were carried out using standardized research tests as well as tests in real traffic conditions. The research was carried out with the use of the AVL Cruise software for the analysis of energy flow in vehicles; a middle class passenger vehicle was selected for the tests, equipped with an electrochemical battery and – in the next stage of the research – an ultracapacitor. Three research models were used: I) typical electric drive system; II) a system with the use of ultracapacitors ran by a simple control algorithm; III) a system with the use of ultracapacitors with an advanced control algorithm (the algorithm took into account the change of driving conditions to the ultracapacitor charging conditions). The advantages of using ultracapacitors in the electric drive of a vehicle were demonstrated, especially for results obtained in real traffic conditions. Analyzing the simulation tests results allowed to determine the most advantageous options of utilizing these systems, in particular in the aspect of increased possibilities of algorithms controlling the flow of electricity in the drive system.
Źródło:
Archives of Transport; 2021, 58, 2; 47-62
0866-9546
2300-8830
Pojawia się w:
Archives of Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Adaptive controller design for electric drive with variable parameters by Reinforcement Learning method
Autorzy:
Pajchrowski, T.
Siwek, P.
Wójcik, A.
Powiązania:
https://bibliotekanauki.pl/articles/201068.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Reinforcement Learning
adaptive control
electric drive
machine learning
Opis:
The paper presents a method for designing a neural speed controller with use of Reinforcement Learning method. The controlled object is an electric drive with a synchronous motor with permanent magnets, having a complex mechanical structure and changeable parameters. Several research cases of the control system with a neural controller are presented, focusing on the change of object parameters. Also, the influence of the system critic behaviour is researched, where the critic is a function of control error and energy cost. It ensures long term performance stability without the need of switching off the adaptation algorithm. Numerous simulation tests were carried out and confirmed on a real stand.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2020, 68, 5; 1019-1030
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
New rail-road tractor with a combustion engine and an alternative electric drive
Autorzy:
Tomaszewski, Sylwin
Medwid, Marian
Andrzejewski, Maciej
Cierniewski, Maksymilian
Jakuszko, Wojciech
Powiązania:
https://bibliotekanauki.pl/articles/2097468.pdf
Data publikacji:
2020
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
rail-road tractor
combustion engine
electric drive system
ciągnik szynowo-drogowy
silnik spalinowy
elektryczny układ napędowy
Opis:
The paper presents the general concept of an innovative rail-road tractor solution. The innovation of the solution is characterized by equipping the combustion engine tractor with an additional electric drive for the wheels of the rail drive system. The options of using the tractor in operation along with rolling stock were presented. The results of preliminary conceptual work on the selection of electric propulsion and energy storage devices to power electric motors has been illustrated. Directions for further conceptual and design research were also determined. The aim of the paper is to popularize the results of the performed research work carried out at the Institute in the field of rail-road vehicle development.
Źródło:
Combustion Engines; 2020, 59, 3; 47--53
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of electric - drive applicability in mechanical brake for the commuter class airplane
Autorzy:
Grygorcewicz, P.
Powiązania:
https://bibliotekanauki.pl/articles/246340.pdf
Data publikacji:
2013
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
transport
airplanes
brakes
landing gear
construction process
Opis:
This article presents selected issues related to the design methodology of the electric brakes during the construction process as well as other factors which are important in the design process. It is a very important issue due to affect on the airplane and automotive brake design. Nowadays when new solution of brakes is being designed there is a need to take into account various factors influencing the design such as: weight, compatibility and flexibility of use in various aircraft, reliability and durability, ease of installation and maintenance, low-cost operation and low cost components, braking efficiency, short braking distance. All of these factors are taken into account when designing a prototype of the electric brake as well as economical factor of the design. It is also necessary to verify the design during its creation using experimental and laboratory test data from other similar designs. The aim of the paper is to discuss design process from the very beginning (i.e. by comparing features of the electric brakes with other types of brakes in order to show advantages and disadvantages of chosen solution) to the creation of a working demonstrator in future. Author of the paper in his electric brake design bases on the experience of the Warsaw’s Institute of Aviation Landing Gear Department.
Źródło:
Journal of KONES; 2013, 20, 2; 143-148
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Investigation of electric drive of the gantry tractor
Badania elektryczne sterowanego ciągnika bramowego
Autorzy:
Viselga, G.
Ilgakojis, P.
Powiązania:
https://bibliotekanauki.pl/articles/804888.pdf
Data publikacji:
2006
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
agricultural machine
agricultural vehicle
farm tractor
gantry tractor
machine control
automatic control
electric control
laser
Opis:
In order to integrate the chief potentials in the shuttle mowing gantry module one has to study the methods of improving precision by the use of automatically controlled more straightforward means that do not require direct hand operation by a man. Precision of the course of both chassis and frequency of its corrections depends on the place of laser catcher’s mounting along or across the spar. Precision and correction frequency increase when photodiodes are distanced transversely from the spar (length 18 m) and when the distance between photodiodes is reduced.
W celu zwiększenia integracji przemieszczeń ruchomego modułu urządzenia pozycjonowania i ruchomego podwozia, przeprowadzono badania różnych metod służących poprawie precyzji, przy użyciu automatycznych elementów sterująco-kontrolnych, pozwalających wyeliminować sterowanie ręczne. Precyzja przebiegu procesu przestawiania ruchomego modułu względem podłoża zależy od sposobu zamocowania urządzenia laserowego - wzdłuż lub w poprzek belki nośnej. Precyzja i częstotliwość zwiększają się, kiedy fotodiody znajdują się w położeniu poprzecznym daleko od belki nośnej (o długości 18 m) i kiedy odległość pomiędzy fotodiodami jest mała.
Źródło:
Zeszyty Problemowe Postępów Nauk Rolniczych; 2006, 508
0084-5477
Pojawia się w:
Zeszyty Problemowe Postępów Nauk Rolniczych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Computationally efficient method of simulation of an electric drive impact on the power grid
Autorzy:
Beniak, R.
Gardecki, A.
Powiązania:
https://bibliotekanauki.pl/articles/141226.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
electric drive
converter system model
power grid
Opis:
This paper presents a computationally efficient method for modelling an impact of the converter drive on the power grid. The formalized variable structure method (FVSM) allows for comprehensive studies of the effect on the power grid and examining the relation between this effect and the number of drive and feeding line parameters. In order to obtain a comprehensive model along with the model of the power grid, the parameters that are applied originate from a drive of a coal-fired power station. These parameters have been determined based on assessment and estimation. The estimation process was conducted with the aid of a model that allows for the commutation of power electronic elements. The authors confirmed that the model was correct by comparing empirical and theoretical voltage and current waveforms. Harmonic content of the voltage and current in the power grid which feeds the drive are considered to be the measure of the converter drive impact on the power grid. The standard method for the reduction of a harmonic content in the voltage and current involves the application of line reactors and distribution or converter transformers. As an example, the authors determine the impact of the drive on the power grid with respect to the adopted parameters of the line reactor. This example presents FVSM abilities with regard to simulation of complex systems that contain power grid components and converter drives.
Źródło:
Archives of Electrical Engineering; 2013, 62, 1; 77-90
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Innovative, complete, electric drive system, ready to be integrated for various types of platforms
Autorzy:
Chmieliński, Mirosław
Bielawski, Krzysztof
Kreft, Oskar
Wiśniewski, Gerard
Powiązania:
https://bibliotekanauki.pl/articles/24201298.pdf
Data publikacji:
2023
Wydawca:
Centrum Rzeczoznawstwa Budowlanego Sp. z o.o.
Tematy:
electric drive system
electromobility
energy storage system
elektryczny układ napędowy
elektromobilność
system magazynowania energii
Opis:
The article presents the issues regarding the possibility of using innovative, complete electric drive systems designed by ZAiUP AREX Sp. z o.o. for various types of electric vehicle. The enduring activity and a number of various projects have allowed us to gain invaluable experience and deepen our unique skills in the projects dedicated to electromobility. This publication presents proprietary technological solutions developed by ZAiUP AREX Sp. z o. o. an electric drive system that can be used in passenger, delivery and purpose-built vehicles. This article introduces the basic parameters and advantages of the main components of electric vehicles, such as: energy storage system with an advanced POWER management system supervising its operation and ensuring energy supply, inverters, engines and devices supporting the drive control system. ZAiUP AREX Sp. z o.o. specializes in the design and production of technologies and innovative solutions dedicated to both the civil and military markets. Over 34 years of experience have built a solid and reliable brand.
Źródło:
Inżynieria Bezpieczeństwa Obiektów Antropogenicznych; 2023, 3; 43--52
2450-1859
2450-8721
Pojawia się w:
Inżynieria Bezpieczeństwa Obiektów Antropogenicznych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The fuel cell-electric drive system is an economical and attractive technology for mobility
Autorzy:
Bekar, Abdur
Fekete, Milan
Powiązania:
https://bibliotekanauki.pl/articles/2050937.pdf
Data publikacji:
2021
Wydawca:
Instytut Studiów Międzynarodowych i Edukacji Humanum
Tematy:
Electric vehicles
hydrogen
technology
engine
mobility
Opis:
The Fuel cell electric drive framework is a conservative and appealing innovation for portability with zero nearby emanations. A power device electric vehicle is an electrically determined vehicle created by a Fuel cell utilizing hydrogen as a fuel source. The electric drive changes over the Fuel into movement. On the other hand, this Fuel can be briefly put away by the footing battery. This sort of drive framework isn’t just utilized for downtown driving; indeed, it is most excellent when concealing longer distances to a scope of a few hundred kilometers. Power device electric vehicles likewise gain favor with their short topping off occasions of only a couple of minutes. Power device electric drives contain different segments that prepare creation through fitting innovative work.
Źródło:
Humanum. Międzynarodowe Studia Społeczno-Humanistyczne; 2021, 1(40); 57-64
1898-8431
Pojawia się w:
Humanum. Międzynarodowe Studia Społeczno-Humanistyczne
Dostawca treści:
Biblioteka Nauki
Artykuł
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