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Tytuł:
Kompleksowy napęd elektryczny przeznaczony dla jednostek pływających
Autorzy:
Barański, Marcin
Decner, Adam
Jarek, Tomasz
Maciążek, Marcin
Litwinowicz, Adam
Powiązania:
https://bibliotekanauki.pl/articles/31804061.pdf
Data publikacji:
2024
Wydawca:
Wydawnictwo Druk-Art
Tematy:
napęd elektryczny
napęd łodzi
elektromobilność
falownik
ładowarka
electrical drive
boat drive
electromobility
inverter
charger
Opis:
Complehensive electric drive dedicated to watercrafts
Źródło:
Napędy i Sterowanie; 2024, 26, 3; 72-78
1507-7764
Pojawia się w:
Napędy i Sterowanie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Model and experimental analysis of influence of selected parameters of hydraulic line on displacement pump pressure pulsations damping
Modelowa oraz doświadczalna analiza wpływu wybranych parametrów przewodu hydraulicznego na zjawisko tłumienia pulsacji ciśnienia pompy wyporowej
Autorzy:
Rabsztyn, Dominik
Klarecki, Klaudiusz
Powiązania:
https://bibliotekanauki.pl/articles/38924008.pdf
Data publikacji:
2024
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
pressure pulsation
hydraulic line
hydraulic drive
pressure pulsation damping
pulsacja ciśnienia
linia hydrauliczna
napęd hydrostatyczny
tłumienie pulsacji ciśnienia
Opis:
Among practitioners, the prevailing view is that the use of a discharge line made of an elastic hose allows users not only to isolate the pump unit from the rest of the system for transferred vibrations, but also to obtain the passive damping of pressure pulsation generated by the pump flow rate pulsation. The objective of the model and experimental research described in this article was to confirm or disprove the common opinion that a discharge line with an elastic hose is a sufficient element to damp the pressure pulsation caused by the displacement pump. The article presents experimental studies of the influence of various hydraulic lines on pressure pulsation damping. The research was carried out in the time and frequency domains. A mathematical model of a hydraulic long transmission line is also presented and an analysis of the parameters of hydraulic lines affecting the amplification or damping of pump pressure pulsations was carried out.
Wśród praktyków dominuje pogląd, że zastosowanie linii tłocznej zbudowanej z odcinka przewodu elastycznego pozwala nie tylko odizolować zespół pompowy od reszty układu pod kątem przenoszonych drgań, ale także uzyskać efekt pasywnego tłumienia pulsacji ciśnienia generowanej przez pulsację wydajności pompy wyporowej. Celem przedstawionych w niniejszym artykule badań modelowych oraz eksperymentalnych było potwierdzenie lub obalenie powszechnego przekonania, że sama linia tłoczna z przewodem elastycznym jest wystarczającym elementem tłumiącym pulsację ciśnienia, spowodowaną pulsacją wydajności pomp wyporowych. W artykule przedstawiono wyniki przeprowadzonych analiz wpływu przewodów hydraulicznych o różnych parametrach geometrycznych i sztywnościach na tłumienie pulsacji ciśnienia. Wyniki badań przeanalizowano w domenie czasu oraz domenie częstotliwości.
Źródło:
Journal of KONBiN; 2024, 54, 1; 1-19
1895-8281
2083-4608
Pojawia się w:
Journal of KONBiN
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A geometrical surface texture study of sliding sleeves and pins after bench tests
Autorzy:
Olejarczyk, Krzysztof
Wikło, Marcin
Powiązania:
https://bibliotekanauki.pl/articles/27313836.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
Tematy:
cycloidal drive
geometrical surface textures
sleeves
pins
przekładnia cykloidalna
geometryczna tekstura powierzchni
trwałość
chropowatość
tuleja
sworzeń
Opis:
Objectives was to determine the durability of pins and sleeves used in the construction of a cycloidal gear. The methods used were based on a comparative analysis of selected macro photos of their surfaces and representative surface profiles recorded before and after the bench tests and the Ra and Rz surface roughness values determined on their basis. Before and after the bench tests, the weight of each sleeve and pin was measured, their surface profiles were recorded and micro photos of these surfaces were taken. Based on each recorded surface profile, the roughness parameters Ra and Rz were determined. The advantages of using steel sleeves in the cycloidal drive structure, increasing its durability, have been demonstrated by the low mass wear of the sleeves and the low surface roughness parameters Ra and Rz. It was shown that the appropriate accuracy of the pins and sleeves is necessary.
Źródło:
Diagnostyka; 2023, 24, 4; art. no. 2023412
1641-6414
2449-5220
Pojawia się w:
Diagnostyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An Original System for Controlling the Speed of Movement of Pneumatic Drives in Rehabilitation Devices
Autorzy:
Żyłka, Marta
Żyłka, Wojciech
Szczerba, Zygmunt
Biskup, Marcin
Powiązania:
https://bibliotekanauki.pl/articles/2201856.pdf
Data publikacji:
2023
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
pneumatic drive
control of concurrent stroke control
binary control
pneumatic actuators
double-acting pneumatic actuators
pneumatic drive speed control
Opis:
The aim of the article is to present an original method of speed control and simultaneous stroke of the piston rods of two pneumatic cylinders using potentiometric position transducers, pneumatic solenoid valves, properly scaled throttle-check valves, solenoid valves and a microcontroller with power modules for solenoid valves. Initial experimental studies of the control system for simultaneous displacement of two piston rods of pneumatic actuators were carried out. The purpose of the research was to obtain the characteristics of the displacement of the extension of two pneumatic drives. The obtained results were analyzed. The results of the measurements confirmed the possibility of applying the presented control to rehabilitation devices for passive exercises of the lower extremities. The advantage of the proposed control system is its reaction speed, which is a response to changes in operating conditions of a given actuator, such as: external disturbances, own resistance of the controlled device, frictional resistance or movement caused by the patient exercising on the rehabilitation device moved by these actuators.
Źródło:
Advances in Science and Technology. Research Journal; 2023, 17, 1; 124--132
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of impact of rotation speed changes on pressure pulsation of positive displacement pump
Analiza wpływu zmian prędkości obrotowej pompy wyporowej na przebieg pulsacji ciśnienia
Autorzy:
Rabsztyn, Dominik
Klarecki, Klaudiusz
Powiązania:
https://bibliotekanauki.pl/articles/38930591.pdf
Data publikacji:
2023
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
hydrostatic drive
pressure pulsation
measurement
FFT analysis
inverter drive
napęd hydrostatyczny
pulsacja ciśnienia
pomiar
analiza FFT
przemiennik częstotliwości
Opis:
The paper presents the results of experimental research on the impact of changes in the rotation speed of a hydraulic external gear pump on pressure pulsation in the discharge line for a constant value of pressure. The analyses were performed in the time domain (analysis of peak-to-peak pressure) and frequency domain (analysis of changes in frequency and pulsation amplitude). The results of experimental studies have shown that the change of the pump’s rotation speed influences changes in the course of pressure pulsation (peak-to-peak pressure and amplitude), in some cases significantly increasing the parameters mentioned. The obtained test results can be used to develop recommendations for designing hydraulic and hydrotronic systems equipped with a variable-speed pump drive.
W artykule przedstawiono wyniki badań doświadczalnych wpływu zmian prędkości obrotowej pompy zębatej na zmianę przebiegu pulsacji ciśnienia w linii tłocznej dla stałej wartości ciśnienia tłoczenia. Analizy przeprowadzono w dziedzinie czasu (analiza zmian wartości ciśnienia międzyszczytowego) oraz dziedzinie częstotliwości (analiza zmian wartości częstotliwości i amplitudy pulsacji). Otrzymane wyniki badań eksperymentalnych jednoznacznie wykazały, że zmiana prędkości obrotowej pompy wpływa na zmianę przebiegu pulsacji ciśnienia (zarówno na wartość ciśnienia międzyszczytowego, jak i amplitudę), w niektórych przypadkach znacznie zwiększając wymienione parametry. Otrzymane wyniki badań, mogą zostać wykorzystane do opracowania zaleceń dotyczących projektowania układów hydraulicznych i hydrotronicznych, wyposażonych w napęd zmiennoobrotowy pompy.
Źródło:
Journal of KONBiN; 2023, 53, 3; 1-13
1895-8281
2083-4608
Pojawia się w:
Journal of KONBiN
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of alternative drive systems in modern special-purpose rail vehicles
Autorzy:
Gallas, Dawid
Stobnicki, Paweł
Jakuszko, Wojciech
Urbański, Patryk
Kikut, Justyna
Powiązania:
https://bibliotekanauki.pl/articles/38955760.pdf
Data publikacji:
2023
Wydawca:
Politechnika Warszawska, Wydział Transportu
Tematy:
special-purpose vehicle
alternative drive
energy storage
hydrogen fuel
pojazd do zadań specjalnych
napęd alternatywny
magazynowanie energii
paliwa wodorowe
Opis:
In response to the market demand for modern special-purpose rail vehicles, an overview of the rolling stock available on the European and world markets was developed, along with an analysis of the scope of works they performed. The need for new alternative forms of propulsion in line with the development directions, taking into account EU and national environmental goals, was discussed. The paper presents a design of a proprietary modern special-purpose vehicle with an alternative drive. It discusses it compared to other special-purpose vehicles regarding their parameters and the viability of different drive systems, including hydrogen fuel cells.
Źródło:
WUT Journal of Transportation Engineering; 2023, 136; 23-33
1230-9265
Pojawia się w:
WUT Journal of Transportation Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of the life cycle of city buses with diesel and electric drive in the operation phase
Autorzy:
Regulski, Paweł
Powiązania:
https://bibliotekanauki.pl/articles/24202458.pdf
Data publikacji:
2023
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
life cycle assessment
city buses
neural networks
diesel drive
electric drive
ocena cyklu życia
autobusy miejskie
sieci neuronowe
napęd spalinowy
napęd elektryczny
Opis:
The aim of the article is to analyze the impact of operation on the life cycle assessment of city buses with diesel and electric drive using neural networks based on source data. Two types of diesel buses and two types of electric buses were tested. As a result of the conducted tests, the following optimal values were obtained for buses: operation time, number of inspections, daily refueling time or battery charging time, general efficiency, emissions. The adopted values of the life cycle assessment criteria are optimal for electric and electric city buses. The presented research and analyzes have a significant impact on the processes related to the organization of public transport.
Źródło:
Combustion Engines; 2023, 62, 2; 117--121
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Augmented speed control scheme of dual induction motors with mutual flux angle control loop
Autorzy:
Kondratenko, Dmytro
Lewicki, Arkadiusz
Łuksza, Krzysztof
Powiązania:
https://bibliotekanauki.pl/articles/27309952.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
dual-motor drive
induction motors
IMs
five-leg voltage source inverter
FLVSI
rotor angle control
sensorless control
Opis:
This paper proposes an augmented speed control scheme of dual induction motors fed by a five-leg voltage source inverter (VSI) with a common/shared-leg. An additional control loop is proposed here and based on the mutual flux angle – the difference between flux angular positions of the IMs. The main purpose of this research is to minimize the energy losses in the common inverter leg by controlling the mutual flux angle, at equal angular speeds of both motors. Simulation and experimental studies were carried out and the effectiveness of the proposed control method was proven. The PLECS software package was used for the simulation tests. The laboratory prototypewas prepared for the experimental validation. All results were provided and discussed in this paper.
Źródło:
Archives of Electrical Engineering; 2023, 72, 4; 915--930
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical 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:
Deployment of a predictive-like optimal control law on a servo drive system using linear programming approach
Autorzy:
Horla, Dariusz
Pinczewski, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/27309954.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
constraints
linear programming
optimal control
servo drive
Opis:
Current drive control systems tend to push control loops to the limits of their performance. One of the ways of doing so is to use advanced optimization algorithms, usually related to model-based off-line calculations, such as genetic algorithms, the particle swarmoptimisation or the others. There is, however, a simpler way, namely to use predictive control formalism and by formulation of a simple linear programming problem which is easy to solve using powerful solvers, without excessive computational burden, what is a reliable solution, as whenever the optimization problem has a feasible solution, a global minimizer can be efficiently found. This approach has been deployed for a servo drive system operated by a real-time sampled-data controller, verified between model-in-the-loop and hardwarein- the-loop configurations, for a range of prediction horizons, as an attractive alternative to classical quadratic programming-related formulation of predictive control task.
Źródło:
Archives of Electrical Engineering; 2023, 72, 4; 1005--1016
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Designing a compact firefighting vehicle for narrow residential areas on the base of a lawn mower
Autorzy:
Hong, Thong Duc
Truong, Phat Tan
Pham, Minh Quang
Tran, Lam Quang
Powiązania:
https://bibliotekanauki.pl/articles/27312358.pdf
Data publikacji:
2023
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
lawnmower
firefighting vehicle
drive mechanism
water spray
spraying pesticides
kosiarka
pojazd gaśniczy
mechanizm napędowy
opryskiwacz wodny
rozpylanie pestycydów
Opis:
With the explosion of urbanization, more and more small residential areas with high population density, tiny houses, and narrow roads are formed. As a result, it is challenging for large fire engines to penetrate these areas in the event of a fire incident. In this paper, a compact firefighting vehicle was designed based on the SNAPPER LT140H331KV lawn mower. The vehicle is equipped with a water sprayer system and a folding frame water tank. The water sprayer system transmits power from the lawn mower transmission’s power take-off shaft via the belt and chain drive, which can spray water at a height of about 13 m with a flow rate of 38 L/min. The 500-liter folding frame water tank has a rectangular shape that can be folded and dragged as a trailer. The water sprayer system and folding frame water tank not only have a simple, compact structure but also do not affect the lawn mowing function. This fire truck has a maximum speed of about 15 km/h and can move in a minimal road width of only 1.3 m, which is accommodation for residential areas within a 1÷2 km radius with narrow roads, high density of population and houses in least developed and developing countries (e.g., Vietnam, Laos, Cambodia), where the normal fire engines are difficult to access in time. Besides, the vehicle can be used for watering and spraying pesticides on gardens and small premises. The study has proposed a valuable solution to take advantage of vehicle functions to improve their convenience and usefulness.
Źródło:
Zeszyty Naukowe. Transport / Politechnika Śląska; 2023, 121; 107--126
0209-3324
2450-1549
Pojawia się w:
Zeszyty Naukowe. Transport / Politechnika Śląska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Detecting and Locating Signal Leakages from Cable TV Networks : A Case Study
Autorzy:
Taha, Hussein
Vári, Péter
Powiązania:
https://bibliotekanauki.pl/articles/27311975.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
MFCN
cable TV
signal leakage
drive test
digital dividend bands
700 MHz
Opis:
Since the digitalization of terrestrial television, many countries have discontinued television broadcasting in the UHF band. The freed-up frequencies are now available as digital dividends for mobile and fixed wireless access communication networks (MFCN), particularly for 4G/5G and public safety services in broadband called BBPPDR. Since cable TV still uses the UHF band, leakage from cable TV networks is the most common cause of interference in MFCN networks. Insufficient containment of the radio frequency signals transmitted through a cable system results in cable signal leakage. This article investigates the significance of controlling electromagnetic signal leaks from cable TV networks and how they impact authorized and standardized MFCN networks in the digital dividend bands. The periodic drivetest approach to detect and measure electromagnetic leakage from a cable TV system in the 700 MHz band at a site is detailed. The causes of the detected leaks and offered the appropriate procedure to repair them are also discussed. Additionally, the current measures taken in Hungary to address cable television signal leakage in the digital dividend bands are also discussed and alternative strategies for the adopted test drive approach are proposed.
Źródło:
International Journal of Electronics and Telecommunications; 2023, 69, 3; 529--536
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Determination of the working energy capacity of the on-board energy storage system of an electric locomotive for quarry railway transport during working with a limitation of consumed power
Autorzy:
Kondratieva, Liliia
Bogdanovs, Arturs
Overianova, Liliia
Riabov, Ievgen
Goolak, Sergey
Powiązania:
https://bibliotekanauki.pl/articles/27311785.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
railway transport
electric locomotive
energy storage system
traction drive
induction motor
transport kolejowy
lokomotywa elektryczna
system magazynowania energii
napęd trakcyjny
silnik indukcyjny
Opis:
The use of specialized rail rolling stock which is used for transporting ore from the quarry to the crushing plant at mining enterprises is analyzed here. Electric locomotives with an asynchronous traction electric drive and an on-board energy storage system are considered for use. The calculated dependencies of the electric locomotive tractive power were analyzed and it was established that on flat sections of the track profile, the movement is carried out with a power that does not exceed 50% of the nominal one. The movement with the nominal power is carried out on the controlled uphill during the cargo half-passage. To ensure the necessary power for movement in such areas, the use of an on-board energy storage system is proposed, which should feed the traction system while limiting the power consumed from the catenary. This happens when the voltage on the pantograph drops to a minimum level. The aim of this work is to determine the on-board energy storage system parameters during the operation of the electric locomotive with limitation of the power consumed from the traction network. Mathematical models of the energy exchange processes in the electric locomotive traction system have been developed. The criteria for comparing options for calculating the parameters of the on-board energy storage system have been proposed. The criteria take into account the reduction of energy consumption during movement, the efficiency of energy storage, and the complete use of the on-board energy storage system in terms of power and working energy capacity. Based on the calculation results, it was determined that the use of an energy storage device with a power of 3,540 kW and an operating energy capacity of 63.5 kWh provides a 10% reduction in energy consumption, which is being consumed while moving along the sample section of the road. The current that can be consumed by an electric locomotive with such parameters of the on-board energy storage system is limited by 600 A.
Źródło:
Archives of Transport; 2023, 65, 1; 119--154
0866-9546
2300-8830
Pojawia się w:
Archives of Transport
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:
Lightweight LHD BEV loader with an individual drive for each wheel
Autorzy:
Korski, Wojciech
Horak, Wojciech
Bołoz, Łukasz
Niestrój, Roman
Kozłowski, Artur
Powiązania:
https://bibliotekanauki.pl/articles/27315559.pdf
Data publikacji:
2023
Wydawca:
STE GROUP
Tematy:
self-propelled mining machines
LHD loaders
electric drive
battery power
BEV
Opis:
The paper is devoted to the construction and design solutions of the power supply and drive systems of a prototype, lightweight LHD (Load-Haul-Dump) loader with an innovative "in-wheel drive" transmission system. The loader is a Battery Electric Vehicle (BEV) with replaceable energy storage. It is intended for use in underground mines with no explosion hazard, especially in metal ore mines. The developed model contains four independent, electric drive systems installed in the road wheels. The paper presents the results of simulation tests, which enabled estimating the required driving power and electricity demand in various regimes and working conditions of the loader. The results of the calculations were used to determine the parameters of the drive system components and the battery capacity. Challenges and problems faced by constructors of BEV LHD loaders with an in-wheel drive have been pointed out.
Źródło:
Management Systems in Production Engineering; 2023, 3 (31); 281--289
2299-0461
Pojawia się w:
Management Systems in Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł

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