Magneto-Rheological Damper - An Experimental Study

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Lozoya-Santos , Jorge De-Jesus ; Morales-Menéndez , Rubén ; Ramirez-Mendoza , Ricardo ; Tudon-Martınez , Juan , ; Sename , Olivier ; Dugard , Luc (2012)
  • Publisher: SAGE Publications
  • Subject: actuator | [ SPI.AUTO ] Engineering Sciences [physics]/Automatic | control | magnetorheological

International audience; A Magneto-Rheological (MR) damper is evaluated under exhaustive experimental scenarios, generating a complete database. The obtained database includes classical tests and new proposals emphasizing the frequency contents. It also includes the impact of the electric current fluctuations. The variety of the performed experiments allows to study the MR damper force dynamics. A brief description of the damper behavior and a categorization of experiments based on driving conditions and target applications on vehicle dynamics is discussed. The identification of two MR damper models as well as their cross validation emphasize the importance of the persistence of experimental inputs and the combinations of rod displacement and electric current sequences for better modeling. New findings in Design of Experiments for model identification are presented.
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