Parameter-Dependent H∞ Filter for LPV Semi-Active Suspension Systems

Juan C. Tudon-Martinez, Diana Hernandez-Alcantara, Olivier Sename, Ruben Morales-Menendez, Jorge de J. Lozoya-Santos

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

This paper proposes a Linear Parameter-Varying H∞ (LPV-H∞) filter for the semi-active force of a Magneto-Rheological (MR) damper embedded in a Quarter of Vehicle (QoV) model. The LPV-H∞ filter design includes the nonlinear phenomena of the shock absorber (saturation, hysteresis, semi-activeness, etc.) in two varying parameters. The polytopic LPV-H∞ filter is quadratically stable, robust to the road disturbances, and oriented to reduce the estimation error of the semi-active damper force in a frequency band of interest. Simulation results show the effectiveness of the proposed parameter-dependent filter in comparison to an algebraic MR damping force model. The estimation error is almost zero in all used simulation tests.
Original languageEnglish
Pages (from-to)19-24
Number of pages6
JournalIFAC-PapersOnLine
Volume51
Issue number26
DOIs
Publication statusPublished - 1 Jan 2018

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