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Tytuł:
Comparative assessment of energy efficiency indicators of a multi-fuel internal combustion vehicle and an electric vehicle
Ocena porównawcza wskaźników efektywności energetycznej wielopaliwowego pojazdu spalinowego i pojazdu elektrycznego
Autorzy:
Lewicki, Wojciech
Gołębiewski, Wawrzyniec
Osipowicz, Tomasz
Abramek, Karol Franciszek
Oleh, Klyus
Powiązania:
https://bibliotekanauki.pl/articles/38955556.pdf
Data publikacji:
2023
Wydawca:
Politechnika Warszawska, Wydział Transportu
Tematy:
power unit
alternative fuels
electric vehicle
energy efficiency
jednostka napędowa
paliwa alternatywne
pojazd elektryczny
efektywność energetyczna
Opis:
In the current discussions on the future of the automotive industry, two extreme opinions clash: electromobility or vehicles with conventional drive but powered by alternative fuels. The article discusses the issue related to modeling the energy efficiency factors of a combustion engine operating on three types of fuels (Diesel 100%, Biofuel 100%, and Hemp Oil 100%) as well as an electric drive powered by energy from a coal power plant. Analytical research was conducted based on the external characteristics of the engine's performance. The external characteristic of the Fiat Panda 1.3 JTD combustion engine was obtained on the Automex dynamometer. The engine operated on three fuels: Diesel 100%, Biofuel 100% (rapeseed), and Biofuel 100% (hemp oil). The Nissan Leaf vehicle manufacturer provided the external characteristics of the electric engine. The calculation results showed that the combustion engine consumes less energy at lower speeds than the electric one. At higher speeds, the consumption rates are at a similar level. The recipients of the research are both the demand side – that is, vehicle users, as well as future manufacturers and government institutions responsible for shaping and developing future mobility in the field of individual transport.
W toczących się obecnie dyskusjach na temat przyszłości motoryzacji ścierają się dwie skrajne opinie: elektromobilność lub pojazdy z konwencjonalnym napędem, ale zasilane paliwami alternatywnymi. W artykule omówiono zagadnienie związane z modelowaniem współczynników efektywności energetycznej silnika spalinowego zasilanego trzema rodzajami paliw (olej napędowy 100%, biopaliwo 100% i olej konopny 100%) oraz napędu elektrycznego zasilanego energią z elektrowni węglowej. Badania analityczne przeprowadzono w oparciu o zewnętrzną charakterystykę pracy silnika. Charakterystykę zewnętrzną silnika spalinowego Fiat Panda 1.3 JTD uzyskano na hamowni Automex. Silnik pracował na trzech paliwach: olej napędowy 100%, biopaliwo 100% (rzepak) oraz biopaliwo 100% (olej konopny). Zewnętrzna charakterystyka silnika elektrycznego została dostarczona przez producenta pojazdu Nissan Leaf. Wyniki obliczeń wykazały, że przy niższych prędkościach silnik spalinowy zużywa mniej energii niż silnik elektryczny. Przy wyższych prędkościach wskaźniki zużycia są na podobnym poziomie. Odbiorcami badań jest zarówno strona popytowa - czyli użytkownicy pojazdów, jak i przyszli producenci oraz instytucje rządowe odpowiedzialne za kształtowanie i rozwój przyszłej mobilności w zakresie transportu indywidualnego.
Źródło:
WUT Journal of Transportation Engineering; 2023, 137; 73-85
1230-9265
Pojawia się w:
WUT Journal of Transportation Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Układ zasilania i sterowania podwieszonego ciągnika akumulatorowego typu CA-190
Power supply and control system for battery-powered monorail type CA-190
Autorzy:
Konsek, Rafał
Walisko, Rafał
Krawczyk, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/31803925.pdf
Data publikacji:
2023
Wydawca:
Wydawnictwo Druk-Art
Tematy:
napęd elektryczny
pojazd elektryczny
zasilanie akumulatorowe
electric drive
electric vehicle
battery power supply
Opis:
W artykule scharakteryzowano układ zasilania i sterowania podwieszonego ciągnika akumulatorowego CA-190 zasilanego z akumulatora litowego typu VOLTER. Ciągnik akumulatorowy CA-190 z akumulatorem litowym typu VOLTER jest innowacyjną konstrukcją wpisującą się w aktualne tendencje rozwojowe transportu w światowym górnictwie. Własne źródło zasilania eliminuje stosowanie przewodów zasilania elektrycznego bądź hydraulicznego, które ograniczały zasięg stosowania ciągnika. Nowatorskim rozwiązaniem jest sposób ładowania akumulatora w czasie postoju, bezpośrednio z kopalnianej sieci elektroenergetycznej. Stosowanie akumulatorów jako źródła energii ogranicza negatywny wpływ na atmosferę kopalnianą poprzez brak emisji spalin oraz znaczne zmniejszenie generowanego hałasu i ciepła. Wdrożenie ciągników CA-190 przyczynia się do zwiększenia efektywności wykonywanych prac oraz wpływa na poprawę bezpieczeństwa pracy załóg górniczych i ergonomii pracy. W artykule przedstawiono system sterowania ciągnika CA-190 oraz kierunki jego dalszego rozwoju.
The article describes the power supply and control system of the CA-190 suspended battery monorail powered by VOLTER lithium battery. Battery monorail CA-190 powered by VOLTER lithium battery is an innovative construction consistent with current trends in the development of transport in the global mining industry. Its own power source eliminates the need for electric cables or hydraulic hoses that limited the monorail's range. An innovative solution is the method of charging the battery during standstill, directly from the mine's power grid. The use of batteries as an energy source limits the negative impact on the mining environment by not emitting exhaust fumes and significantly reducing noise and heat emission. The use of the CA-190 monorail contributes to increasing the efficiency of the performed works and improves the work safety of the mining crews and ergonomics. The CA-190 control system and the directions of its further development are presented.
Źródło:
Napędy i Sterowanie; 2023, 25, 7/8; 60-63
1507-7764
Pojawia się w:
Napędy i Sterowanie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Change in engine power in the event of electronic components failures
Autorzy:
Šarkan, Branislav
Loman, Michal
Senko, Šimon
Richtář, Michal
Gołębiowski, Wojciech
Powiązania:
https://bibliotekanauki.pl/articles/2200797.pdf
Data publikacji:
2022
Wydawca:
Sieć Badawcza Łukasiewicz. Przemysłowy Instytut Motoryzacji
Tematy:
engine power
vehicle
electronic component
failure
engine control unit
Opis:
In a conventional internal combustion engine, only electrical controls are used to prepare the fuel mixture. All parts must operate flawlessly in order for the vehicle and its components to operate correctly. Road safety may be negatively impacted by the failure of specific components. The purpose of the study was to ascertain how much the malfunction of particular electrical components affects how the vehicle operates. The vehicle’s individual electronic parts were removed, and the engine power was then assessed. The primary determinant of a vehicle’s technical condition is thought to be its engine power. The preparation of the combustion mixture was affected by the individual component disconnections, which reduced the vehicle’s performance. A vehicle with an in-line four-cylinder engine was used for the experiment, which was conducted in a lab setting. This vehicle’s eight components were gradually disengaged. The change in engine power was observed while they were disconnected. The measured values were always evaluated in terms of an automobile that had no defects and was in excellent condition. The study’s findings demonstrate that there are circumstances in which a vehicle’s usual operation is adversely affected when one or more of its electrical components malfunctions.
Źródło:
Archiwum Motoryzacji; 2022, 98, 4; 40--55
1234-754X
2084-476X
Pojawia się w:
Archiwum Motoryzacji
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Układ zasilania i sterowania podwieszonego ciągnika akumulatorowego typu CA-190
Power supply and control system for battery-powered monorail type CA-190
Autorzy:
Konsek, Rafał
Walisko, Rafał
Krawczyk, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/2142528.pdf
Data publikacji:
2022
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Napędów i Maszyn Elektrycznych Komel
Tematy:
napęd elektryczny
pojazd elektryczny
zasilanie akumulatorowe
electric drive
electric vehicle
battery power supply
Opis:
W artykule scharakteryzowano układ zasilania i sterowania podwieszonego ciągnika akumulatorowego CA-190 zasilanego z akumulatora litowego typu VOLTER. Ciągnik akumulatorowy CA-190 z akumulatorem litowym typu VOLTER jest innowacyjną konstrukcją wpisującą się w aktualne tendencje rozwojowe transportu w światowym górnictwie. Własne źródło zasilania eliminuje stosowanie przewodów zasilania elektrycznego bądź hydraulicznego, które ograniczały zasięg stosowania ciągnika. Nowatorskim rozwiązaniem jest sposób ładowania akumulatora w czasie postoju, bezpośrednio z kopalnianej sieci elektroenergetycznej. Stosowanie akumulatorów jako źródła energii ogranicza negatywny wpływ na atmosferę kopalnianą poprzez brak emisji spalin oraz znaczne zmniejszenie generowanego hałasu i ciepła. Wdrożenie ciągników CA-190 przyczynia się do zwiększenia efektywności wykonywanych prac oraz wpływa na poprawę bezpieczeństwa pracy załóg górniczych i ergonomii pracy. W artykule przedstawiono system sterowania ciągnika CA-190 oraz kierunki jego dalszego rozwoju.
The article describes the power supply and control system of the CA-190 suspended battery monorail powered by VOLTER lithium battery. Battery monorail CA-190 powered by VOLTER lithium battery is an innovative construction consistent with current trends in the development of transport in the global mining industry. Its own power source eliminates the need for electric cables or hydraulic hoses that limited the monorail's range. An innovative solution is the method of charging the battery during standstill, directly from the mine's power grid. The use of batteries as an energy source limits the negative impact on the mining environment by not emitting exhaust fumes and significantly reducing noise and heat emission. The use of the CA-190 monorail contributes to increasing the efficiency of the performed works and improves the work safety of the mining crews and ergonomics. The CA-190 control system and the directions of its further development are presented.
Źródło:
Maszyny Elektryczne: zeszyty problemowe; 2022, 3, 1 (127); 45--49
0239-3646
2084-5618
Pojawia się w:
Maszyny Elektryczne: zeszyty problemowe
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An example of a power-off maneuver of a vehicle without a straight line motion control
Autorzy:
Kisilowski, Jerzy
Zalewski, Jarosław
Powiązania:
https://bibliotekanauki.pl/articles/1832920.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
vehicle dynamics
power-off
no motion control
motion control
dynamika pojazdu
wyłączanie
brak kontroli ruchu
kontrola ruchu
Opis:
In this paper some selected results related to motor vehicle dynamics have been presented basing on the computer simulations of a sports two-seater performing a power-off straight line maneuver with different road conditions and the lack of a straightline motion control having been included. All simulations have been performed in the MSC Adams/Car environment and the adopted maneuver was performed at the instant speed of 100km/h-1. The selected phenomena have therefore been observed along the road long enough to relate them to different aspects of vehicle dynamics and the road traffic safety research. The adopted vehicle’s model moved along the flat and the randomly uneven road with the almost similar and the almost different profiles for the left and the right wheels. Additionally, two values of the coefficient determining the maxi-mum amplitude of road irregularities have been selected, i.e., 0.3 for the lower and 0.9 for the higher irregularities. This meant that the road conditions have been considered as one of the main factors possibly affecting disturbances of the motor vehicle’s motion. Such research seems valuable from the point of view of the road safety and the vehicles’ maintenance. A power-off straight maneuver is not very often performed during the normal road traffic and might seem useless. However, in this case it seemed essential to test the response of a vehicle’s model to such factors as, e.g., the uneven loading, suspension characteristics, etc. This in turn might prove valuable when considering, e.g., the additional concentration of a driver to overcome the external disturbances acting on a moving vehicle. The presented research is the second part of the paper (Kisilowski, 2019) where the power-off maneuver was considered but with the straightforward motion control. Here, the straight-line control has been switched off to examine an untypical situation where, for example a driver loses consciousness, and the vehicle moves freely along the road.
Źródło:
Archives of Transport; 2021, 58, 2; 63-80
0866-9546
2300-8830
Pojawia się w:
Archives of Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of Pollutants Emission into the Air at the Stage of an Electric Vehicle Operation
Autorzy:
Marczak, Halina
Droździel, Paweł
Powiązania:
https://bibliotekanauki.pl/articles/1955495.pdf
Data publikacji:
2021
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
electric car
efficiency of thermal power plants
emissions from vehicles
electricity from coal
vehicle operation stage
Opis:
The article discusses the research on CO2 emissions at the stage of electric engine vehicle operation. The operation stage includes, among others use of the vehicle as well as maintenance and charging for the vehicle’s propulsion. The origin of the electricity consumed during charging has an impact on the vehicle’s emissions balance. The scope of considerations concerns coal as the main energy carrier in Poland. The obtained results can be a benchmark for comparing other primary energy sources used for electricity production. Based on the collected technical data of electric cars, the values of CO2 emission factors from electricity production in thermal power plants and data on the state and structure of electricity production in Poland, an analysis of CO2 emissions from electric vehicles in the operational stage was performed. The vehicle’s electricity consumption of 0.14–0.16 kWh/km is accompanied by CO2 emissions of 100.94–115.36 g/km. The calculated CO2 exceeds the EU limit value from 01/01/2020 (95 g/km) for average CO2 emissions from new passenger vehicles. The main message of the work is the statement that increasing the efficiency of the electricity generation process in commercial thermal power plants in Poland will translate into a reduction in the emission of electric cars consuming this energy for propulsion. The research shows that the change in the efficiency of energy transformations in a thermal power plant from 38% to 46% leads to a reduction in the emission of an electric vehicle by over 17%. The emission of CO2 from a passenger car with a compression-ignition engine is discussed. The considerations include the stage of the use of the vehicle and the stage of production of diesel oil, which is consumed during the use of the vehicle.
Źródło:
Journal of Ecological Engineering; 2021, 22, 8; 182-188
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Impact of electromobility development on the electricity market
Autorzy:
Kołtonowski, Mikołaj
Kołtonowski, Remigiusz
Pałubicki, Stanisław
Powiązania:
https://bibliotekanauki.pl/articles/1819140.pdf
Data publikacji:
2021
Wydawca:
Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:
electromobility
smart grid
vehicle to grid
power engineering
Energa Operator
elektromobilność
inteligentna sieć energetyczna
V2G
elektroenergetyka
Opis:
The article describes the forecasts and the current state of electromobility in Poland. Attention was drawn to the significant problems facing the electricity market as a result of adapting the infrastructure for electromobility and growing energy demand. Integrated systems connecting electric vehicles, transport infrastructure, energy networks, buildings and renewable energy sources supporting electromobility were presented. It also shows the activities undertaken by Energa Operator for the development of electromobility in the area of electricity distribution of the company.
Źródło:
Journal of Mechanical and Energy Engineering; 2021, 5, 1; 53--58
2544-0780
2544-1671
Pojawia się w:
Journal of Mechanical and Energy Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A self-scheduling strategy of virtual power plant with electric vehicles considering margin indexes
Autorzy:
Jiao, Fengshun
Deng, Yongsheng
Li, Duo
Wei, Bo
Yue, Chengyan
Cheng, Meng
Zhang, Yapeng
Zhang, Jiarui
Powiązania:
https://bibliotekanauki.pl/articles/949880.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
electric vehicle (EV)
response time margin (RTM)
scheduling strategy
state of charge margin (SOCM)
virtual power plant (VPP)
Opis:
From the perspective of a virtual power plant (VPP) with electric vehicles (EVs), a self-scheduling strategy considering the response time margin (RTM) and state of charge margin (SOCM) is proposed. Firstly, considering the response state of the state of charge (SOC) and charge-discharge state of EVs, a VPP based response capacity determination model of EVs is established. Then, RTM and SOCM indexes are introduced on the basis of the power system scheduling target and the EV users’ traveling demands. The RTM and SOCM indices are calculated and then are used to generate a priority sequence of responsive EVs for the VPP. In the process of the scheduling period and rolling iteration, the scheduling schemes of the EVs in the VPP for multiple time periods are determined. Finally, the VPP self-scheduling strategy is validated by taking an VPP containing three kinds of EV users as an example. Simulation results show that with the proposed strategy, the VPP is able to respond to the scheduling power from the power system, while ensuring the traveling demands of the EV users at the same time.
Źródło:
Archives of Electrical Engineering; 2020, 69, 4; 907-920
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comprehensive forecast of electromobility mid-term development in Poland and its impacts on power system demand
Autorzy:
Piotrowski, P.
Baczyński, D.
Robak, S.
Kopyt, M.
Piekarz, M.
Polewaczyk, M.
Powiązania:
https://bibliotekanauki.pl/articles/200741.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
mid-term forecast
electromobility
electric vehicle (EV)
power system demand
load profile
Opis:
This paper discusses three variants of how e-mobility development will affect the Polish Power System. Multivariate forecasts of annual new registrations of electric vehicles for up to seven years are developed. The forecasts use the direct trend trend extrapolation methods,methods based on the deterministic chaos theory, multiple regression models, and the Grey model. The number of electric vehicles in use was determined for 2019‒2025 based on the forecast new registrations. The forecasts were conducted in three variants for the annual electric energy demand in 2019‒2025, using the forecast number of electric vehicles and the forecast annual demand for electric energy excluding e-mobility. Forecasts were conducted in three variants for the daily load profile of power system for winter and summer seasons in the Polish Power system in 2019–2025 based on three variants of the forecast number of electric vehicles and forecast relative daily load profiles.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2020, 68, 4; 697-709
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Simulation tests of a VCR engine as a propulsion unit in rail vehicles
Badania symulacyjne silnika VCR jako jednostki napędowej w pojazdach szynowych
Autorzy:
Bajerlein, Maciej
Urbański, Patryk
Daszkiewicz, Paweł
Powiązania:
https://bibliotekanauki.pl/articles/33352714.pdf
Data publikacji:
2020
Wydawca:
Sieć Badawcza Łukasiewicz - Poznański Instytut Technologiczny
Tematy:
VCR engine
simulation studies
power unit
rail vehicle
piston path
Top Dead Center
TDC
thermodynamic analysis
silnik VCR
badania symulacyjne
jednostka napędowa
pojazd szynowy
droga tłoka
Górne Martwe Położenie
GMP
analiza termodynamiczna
Opis:
The paper presents the possibility of using a VCR engine as a driving unit of a generating set in rail vehicles. Thermodynamic analyzes of the engine were also performed. For the purposes of the research, the piston path was generated in the dynamic simulation in Solidworks to study the processes occurring during the combustion process. This path was used to simulate the AVL Fire program for the same initial conditions. Different variants of the engine cam control with the same compression ratio were compared. The article analyzed the moment and the period of time that the piston remains in the Upper Dead Center (TDC).
W ramach pracy przedstawiono możliwość zastosowania silnika VCR jako jednostki napędowej zespołu prądotwórczego w pojazdach szynowych. Dokonano również analiz termodynamicznych silnika. Na potrzeby badań wygenerowano drogę tłoka w symulacji dynamicznej w programie Solidworks do badania procesów zachodzących podczas procesu spalania. Droga ta została wykorzystana do przeprowadzenia symulacji w programie AVL Fire dla jednakowych warunków początkowych. Porównane zostały różne warianty wysterowania krzywki silnika przy jednakowym stopniu sprężania. W rozpatrywanym artykule analizowano moment oraz okres czasu jaki tłok pozostaje w Górnym Martwym Położeniu (GMP).
Źródło:
Rail Vehicles/Pojazdy Szynowe; 2020, 4; 33-44
0138-0370
2719-9630
Pojawia się w:
Rail Vehicles/Pojazdy Szynowe
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A New Method for an Electric Vehicle Wireless Charging System Using LCC
Autorzy:
Khademi, Hamid Reza
Moghaddam, Mahmoud Samiei
Baygi, Seyed Javad Mohammadi
Hajizadeh, Amin
Powiązania:
https://bibliotekanauki.pl/articles/102202.pdf
Data publikacji:
2019
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
power transfer system
electric vehicle
output power
efficiency
optimization
układ przeniesienia mocy
pojazd elektryczny
moc wyjściowa
sprawność
optymalizacja
Opis:
Nowadays, there is a need for charging electric vehicles (EVs) wirelessly, since it provides a more convenient, reliable, and safer charging option for the EV customers. A wireless charging system using a double-sided LCC compensation topology is proven to be highly efficient; however, the large volume induced by the compensation coils is a drawback. Endocrine links are more useful in transmitting power wirelessly than other links. These links are used in the transmission of low and medium power. In this paper, by analyzing the equivalent circuit of a WPT power transmission system, the optimal value of the inductance was formulated to increase the yield. This can have other applications. In order to neutralize the reactive losses, the series resonance is used in both in primary and secondary sections, among which the lower quantities of series inductors were selected from the initial values to increase the efficiency and power. Furthermore, it is possible to optimize these values using suitable optimization methods. In this study, the PSO algorithm was used for this purpose.
Źródło:
Advances in Science and Technology. Research Journal; 2019, 13, 3; 98-112
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of electric vehicles efficiency and their influence on environmental pollution
Autorzy:
Karczewski, Mirosław
Szczęch, Leszek
Polak, Filip
Brodowski, Szymon
Powiązania:
https://bibliotekanauki.pl/articles/244730.pdf
Data publikacji:
2019
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
electric vehicle
exhaust gas toxic components
electro power plants
electricity production
Opis:
Electric vehicles are increasingly present on the roads of the whole world. They have the opinion of ecological vehicles, not polluting the environment. Society is more and more often persuaded to buy electric cars as an environmentally friendly solution but is this for sure? Electric cars need quite a lot of electricity accumulated in batteries to drive on a long range. During the charging process, this energy is obtained from the electricity network, to where it is supplied by power plant. Electricity production from renewable sources is a privilege for the rare. However, electric cars are charged from the electricity grid, which in large part energy comes from non-renewable fuels. The efficiency of energy production in power plants and the energy transmission and conversion chain causes that only part of the energy produced in this way goes to the vehicle’s wheels. Although the power plants are equipped with more and more efficient exhaust gas cleaning systems, they do not clean them up to 100%. Sulphur, nitrogen, mercury and heavy metals remain in the exhaust. The article is an attempt to answer the question whether the total emission of toxic components associated with the use of an electric vehicle is not bigger than in a traditional internal combustion engine.
Źródło:
Journal of KONES; 2019, 26, 4; 97-104
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Automated Guided Vehicles by Permanent Magnet Synchronous Motor: Future of In-house Logistics
Autorzy:
Rao, Anand
Vantagodi, Nihal Vishnu
Shanbhag, Kartik A.
Mahesh, M.
Powiązania:
https://bibliotekanauki.pl/articles/1193705.pdf
Data publikacji:
2019
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
automated guided vehicle
power system
system engineering
performance reliability
component robustness
Opis:
Material handling and logistics management that involve transportation of work pieces on production floor are important aspects to manufacturing that affect productivity and efficiency. Tow vehicles that are manually driven are currently used for this purpose. These processes can be better performed through automation. Automated guided vehicle (AGV) is an apt solution. AGVs are unmanned autonomous vehicles that can be programmed to perform versatile tasks. AGVs available in market are imported and hence have high capital cost and increased lead time for spare parts. Proposed AGV is built with a capital cost that is less than half of the existing AGVs. Its design is made indigenously, with most of its parts locally sourced. It can achieve a speed of 0.83 m/s, with a pulling capacity of 1,300 kg. Its rechargeable batteries sustain four hours of continuous operation for one complete discharge. It has been tested and found to effectively replace tow vehicles.
Źródło:
Power Electronics and Drives; 2019, 4, 39; 151-159
2451-0262
2543-4292
Pojawia się w:
Power Electronics and Drives
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Electromobility – the Importance of Power Quality and Environmental Sustainability
Autorzy:
Chudy, Aleksander
Mazurek, Paweł Artur
Powiązania:
https://bibliotekanauki.pl/articles/123711.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
electromobility
electric vehicle charging
power quality
environmental sustainability
Opis:
Electric vehicles (EVs) play a significant role in a gradual shift towards low-carbon society. However, the impact of electromobility on a power system includes different power quality problems that need to be mitigated. Power Quality Analyzer SONEL PQM-700 was used for the measurement and analysis of the power quality parameters during slow charging (at ̴11A, ̴8,3 A and ̴5,5 A) of a BMW i3 electric vehicle. The read-out mode of the device was considered. The state of EV charge was 30%. The measurements focused on the values of supply voltage, drawn current, harmonics, values of active, reactive and apparent power. In this study, type 2 connector was used to charge the EV. The power quality parameters during the BMW i3 charging were within limits, not a single parameter was exceeded. Additionally, the current state of electric vehicle charging methods and EV charging infrastructure was described and power conditioning solutions were presented.
Źródło:
Journal of Ecological Engineering; 2019, 20, 10; 15-23
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Energy management strategy of dual planetary hybrid electric vehicle based on optimal transmission efficiency
Autorzy:
Wang, Shangxu
Li, Jiaxin
Shi, Dehua
Sun, Xiaoqiang
Yao, Yong
Powiązania:
https://bibliotekanauki.pl/articles/279483.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:
power split hybrid electric vehicle
mechanical point
fuzzy torque distribution
fuel economy
Opis:
A power split hybrid electric vehicle with dual planetary gear sets is studied in this paper. Firstly, the power split and circulation phenomenon are further described by analyzing a speed and torque relationship between the engine, motors and the output shaft based on the lever analogy. The transmission efficiency and the electric power ratio are then obtained. The working modes of the hybrid electric vehicle (HEV) are divided according to the system operation mechanism. On this basis, the engine optimal operating line (OOL) control strategy and the mechanical point (MP) control strategy are designed. Furthermore, a fuzzy controller is designed to realize the optimal torque distribution of the engine and the motors in the MP control strategy. Simulation results demonstrate that the MP control strategy can guarantee a higher efficiency of the transmission system, which also shows good performance in improving fuel economy of the HEV by adjusting the engine operating point.
Źródło:
Journal of Theoretical and Applied Mechanics; 2019, 57, 2; 383-396
1429-2955
Pojawia się w:
Journal of Theoretical and Applied Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 54

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