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Communication Dans Un Congrès Année : 2018

H ∞ Observer for Damper Force in a Semi-Active Suspension

Résumé

An H ∞ observer for the Semi-Active (SA) force of an Electro-Rheological (ER) damper in a Quarter of Vehicle (QoV) model is proposed. This robust observer is designed in the H ∞ framework to minimize the effect of the unknown road disturbance on the force estimation and includes the damper nonlinearities and its dynamic behavior. Simulation and experimental rig tests results using a 1/5 scale car using easily accessible measurements for the observer, such as acceleration sensors, which are relatively cheap and easy to implement in a real environment. The estimated damper force could be used in a state feedback control strategy to improve comfort and road holding performance of a vehicle with a reduced number of sensors.
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Dates et versions

hal-01948574 , version 1 (07-12-2018)

Identifiants

  • HAL Id : hal-01948574 , version 1

Citer

Alfonso Estrada Vela, Diana Hernández Alcantara, Ruben Morales Menendez, Olivier Sename, Luc Dugard. H ∞ Observer for Damper Force in a Semi-Active Suspension. INCOM 2018 - 16th IFAC Symposium on Information Control Problems in Manufaturing, Jun 2018, Bergame, Italy. pp.764-769. ⟨hal-01948574⟩
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