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

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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Active suspension systems
Error analysis
Shock absorbers
Frequency bands
Hysteresis
Damping

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Tudon-Martinez, Juan C. ; Hernandez-Alcantara, Diana ; Sename, Olivier ; Morales-Menendez, Ruben ; Lozoya-Santos, Jorge de J. / Parameter-Dependent H∞ Filter for LPV Semi-Active Suspension Systems. In: IFAC-PapersOnLine. 2018 ; Vol. 51, No. 26. pp. 19-24.
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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.",
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Parameter-Dependent H∞ Filter for LPV Semi-Active Suspension Systems. / Tudon-Martinez, Juan C.; Hernandez-Alcantara, Diana; Sename, Olivier; Morales-Menendez, Ruben; Lozoya-Santos, Jorge de J.

In: IFAC-PapersOnLine, Vol. 51, No. 26, 01.01.2018, p. 19-24.

Research output: Contribution to journalArticle

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AU - Lozoya-Santos, Jorge de J.

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AB - 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.

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