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Lengvųjų automobilių pasyvių ir pusiau aktyvių pakabų tyrimas / The research of passenger car passive and semi-active suspension

Abstract

In this article passenger car suspensions are analyzed, depending on the type of shock absorber. Introduced typical suspension components and semi-active suspension control called “Skyhook”. An overview of the literature is provided also presented the research of passive and semi-active suspension. A quarter-car model simulation has been performed using Matlab/Simulink software package. In results are analyzed sprung and unsprung masses displacements and suspension deflection rates when vehicle are moving over speed lowering bump.


Santrauka


Šiame darbe analizuojamos lengvųjų automobilių pakabos priklausomai nuo amortizatoriaus tipo. Pateikiamos tipinės sudedamosios pakabos dalys ir pusiau aktyvios pakabos, veikiančios „Skyhook“ valdymo principu. Pateikiama literatūros apžvalga, taip pat atliekamas pasyvios ir pusiau aktyvios pakabos tyrimas. Atliekamas ketvirčio automobilio modeliavimas „Matlab/Simulink“ programiniu paketu. Analizuojami amortizuotos ir neamortizuotos masių poslinkiai ir pakabos eigos greičiai, modeliui judant per nelygumą su skirtingomis pakabomis.


Reikšminiai žodžiai: pasyvi pakaba, pusiau aktyvi pakaba, „Skyhook“ valdymo principas, slopinimo elementas,
standumo elementas, ketvirčio automobilio modelis, modeliavimas.

Keyword : passive suspension, semi-active suspension, „Skyhook“ control, damper, stiffener, quarter car model, simulation

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Dec 21, 2018
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