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Comparison of on-off control strategies for a semi-active automotive suspension using HiL

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Abstract

New results have shown good performance in comfort or road holding of on/off control strategies for automotive semi-active suspension systems. Even tough, there are not optimal solutions for both goals simultaneously. A Frequency Estimation Based (FEB) controller that exploits the full damping variation of an Magneto-Rheological (MR) damper is proposed. This controller adapts its output according to several frequency bandwidths. A comparison with three commercial controllers is included based on a Hardware-in-the-Loop (HiL) approach. The FEB controller outperforms the benchmarks control strategies by 11.2 % in comfort. For road holding all strategies are similar; however, FEB controller works better for both goal simultaneously. © 2012 IEEE.

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Lozoya-Santos, J. D. J., Tudon-Martinez, J. C., Morales-Menendez, R., & Ramirez-Mendoza, R. (2012). Comparison of on-off control strategies for a semi-active automotive suspension using HiL. IEEE Latin America Transactions, 10(5), 2045–2052. https://doi.org/10.1109/TLA.2012.6362347

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