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Wyświetlanie 1-2 z 2
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:
Internal combustion engine diagnostics using statistically processed Wiebe function
Autorzy:
Famfulik, Jan
Richtar, Michal
Smiraus, Jakub
Muckova, Petra
Sarkan, Branislav
Dresler, Pavel
Powiązania:
https://bibliotekanauki.pl/articles/2038118.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:
automotive engineering
engine diagnostics
Wiebe function
parameters estimation
statistics
technical condition
Opis:
The aim of the article is to present the concept of an indirect diagnostic method using the assessment of the variability of the amount of released heat (mass fraction burn) and the heat release rate. The Wiebe function for the assessment of variability has been used. The Wiebe function parameters from the course of the high-pressure indication in the cylinder of internal combustion engine using linear regression have been calculated. From a sufficiently large number of measured samples, the upper and lower limits of the Wiebe function parameters have been statistically determined. Lower and upper limits characterize variability of the heat release process not only in terms of quantity but also in terms of heat release rate. The assessment of variability is thus more complicated than using one integral indicator, typically the mean value of amount of the released heat. The procedure enabling a more accurate estimation of heat generation beginning has been shown. For the combustion process variability assessment of the engine, statistical test of relative frequencies has been used.
Źródło:
Eksploatacja i Niezawodność; 2021, 23, 3; 505-511
1507-2711
Pojawia się w:
Eksploatacja i Niezawodność
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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