Research of abs algorithms influence on vehicle's braking parameters

• Autorzy: Demić, M. , Raičević, M.

Warianty tytułu

PL

Badania wpływu algorytmów działania abs na parametry procesu hamowania pojazdu

• Języki publikacji: EN

Abstrakty

EN

This paper describes modelling of dynamic behaviour of a vehicle equipped with ABS subjected to the conditions of straight line nonstationary motion during the braking manoeuvre when wheels are on surfaces with different levels of grip. The observed model assumed nonlinear characteristics of tyres, springs, shock absorbers and it concerned vehicles equipped with ABS feature, with nonlinear variations of braking pressure and braking torque, nonlinear road-tyre relation and stochastic excitation of road microprofile. During the straight line braking, the pressure in braking installation shows the most important influence and through the pressure ABS it controls the relation between vehicle velocity and wheels velocity. For that reason, this work utilises the experimentally gathered data on brake system pressure.

PL

Artykuł/referat przedstawia zagadnienie modelowania dynamicznego zachowania się pojazdu wyposażonego w układ ABS w warunkach niestacjonarnego ruchu prostoliniowego -hamowania na niejednolitej (pod względem wartości współczynnika przyczepności) nawierzchni drugi. Przyjęty model charakteryzuje się: nieliniowymi charakterystykami kół ogumionych, elementów sprężystych, amortyzatorów oraz nieliniowymi zmianami ciśnienia w układzie sterowania hamulcami, nieliniowymi zmianami momentu hamowania w warunkach nieliniowych własności kontaktu opony z drogą i stochastycznego wymuszenia od mikroprofilii drogi. W trakcie prostoliniowego hamowania ciśnienie w układzie hamulcowym ma najistotniejsze znaczenie. Poprzez to ciśnienie układ ABS steruje relacją miedzy prędkością pojazdu i prędkościami obrotowymi kół jezdnych. Z tego powodu w pracy wykorzystano dane eksperymentalne opisujące zmiany ciśnienia w układzie uruchamiania hamulców.

Słowa kluczowe

PL

ABS; algorytm; model; infraktrustruktura; logistyka; środki transportu

EN

ABS; algorithm; model; infrastructure; logistics; means of transport

• Czasopismo: Prace Naukowe Politechniki Warszawskiej. Transport
• Rocznik: 2007
• Tom: z. 63
• Strony: 33-42
• Opis fizyczny: Bibliogr. 19 poz., rys., tab., wykr.

Twórcy

autor

Demić, M.

autor

Raičević, M.

• University of Kragujevac, Mechanical Engineering Faculty,

Bibliografia

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