Skyhook control of a hydropneumatic suspension system developed for use in agricultural farm wagons / Controle Skyhook aplicado a um modelo de suspensão hidropneumatica para carretas agricolas

AUTOR(ES)

Roberto Luis de Sa

DATA DE PUBLICAÇÃO

2006

RESUMO

This study deals with the development of a control system suited for a Hydropneumatic Suspension System designed for use in Agricultural Devices. Using the Skyhook Control methodology, two control systems are designed for a quarter car non-linear model, an active and a semi-active one. For performance measurement, two kinds of road excitation sources are considered: a 40[mm] amplitude bump and a variable road profile with amplitude range from -30 to +30[mm]. The simulations take into account three different situations: maximum sprung mass loading, minimum sprung mass loading and medium sprung mass loading. The resulting performance of the semi-active system was almost as good as the performance achieved by the active system and much better than the performance of the passive one. Since the semi-active system is more reliable and has a smaller implementation cost than the active one, for the application concerned it resulted to be the best solution

ASSUNTO(S)

quartel car model automoveis - dinamica automoveis - molas e suspensão skyhook control hydropneumatic suspension amortecimento (mecanica) veiculos - dinamica

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