Robust control of an electromagnetic active suspension system : simulations and measurements

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Abstract

This paper considers the control of a novel high bandwidth electromagnetic active suspension system for a quarter car model in both simulations and experiments. The nature of the control problem with multiple objectives that have to be optimized as well as the uncertain parameters of the plant call for an H8-controller. By changing weighting filters different controllers can be designed, emphasizing either comfort or handling. Using the high bandwidth of the actuator comfort can be improved by 40% over the passive BMW whilst keeping suspension travel within the same limits. Using a different controller, handling can be improved up to 30%, limited by RMS actuator force.
Original languageEnglish
Pages (from-to)204-212
Number of pages9
JournalMechatronics
Volume23
Issue number2
DOIs
Publication statusPublished - 2013

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