Comparación de Estrategias de Control On-Off para una Suspensión Automotriz Semi-Activa usando HiL (Comparison of On-Off Control Strategies for a Semi-Active Automotive Suspension using HiL)

Jorge de Jesús Lozoya-Santos (, Juan C. Tudon-Martinez (, Ruben Morales-Menendez (, Ricardo Ramirez-Mendoza (

Tecnológico de Monterrey
This paper appears in: Revista IEEE América Latina

Publication Date: Sept. 2012
Volume: 10,   Issue: 5 
ISSN: 1548-0992

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.

Index Terms:
Hardware-in-the-Loop, MR Damper, Semi-Active Suspension, Quarter of Vehicle, Comfort, Road Holding   

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