Force control system for an automotive semi-active suspension

Carlos A. Vivas-Lopez, Diana Hernandez-Alcantara, Manh Quan Nguyen, Ruben Morales-Menendez, Olivier Sename

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

© 2015, IPAC (International Federation of Automatic Control) Hosting by Elsevier Ltd. All rights reserved. A new semi-active suspension control system is proposed. This control system includes a Linear Parameter Varying (LPV) controller which was designed to improve the ride comfort. It also incorporates a Force Control System (FCS) to transform the force command from the LPV controller to a input signal for the Electro-Rheological (ER) semi-active damper. This FCS was assessed by its tracking performance of the desired force command, with a 7 % of tracking error. Then the semi-active control system was evaluated in a Quarter of Vehicle (QoV) model under two tests: A Bump and a Road Profile. The results were a reduction up to 19 % (Bump test) and 29 % (Road Profile test), of the sprung mass position compared with a passive suspension. Additionally, an improvement up to 14 % was obtained when compared with a LPV controller using a simple model inversion Force-Manipulation transformation.
Original languageEnglish
Pages (from-to)55-60
Number of pages6
JournalIFAC-PapersOnLine
DOIs
Publication statusPublished - 1 Jan 2015
Externally publishedYes

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Force control
Control systems
Controllers

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering

Cite this

Vivas-Lopez, Carlos A. ; Hernandez-Alcantara, Diana ; Nguyen, Manh Quan ; Morales-Menendez, Ruben ; Sename, Olivier. / Force control system for an automotive semi-active suspension. In: IFAC-PapersOnLine. 2015 ; pp. 55-60.
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Force control system for an automotive semi-active suspension. / Vivas-Lopez, Carlos A.; Hernandez-Alcantara, Diana; Nguyen, Manh Quan; Morales-Menendez, Ruben; Sename, Olivier.

In: IFAC-PapersOnLine, 01.01.2015, p. 55-60.

Research output: Contribution to journalArticle

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AU - Vivas-Lopez, Carlos A.

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AU - Morales-Menendez, Ruben

AU - Sename, Olivier

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AB - © 2015, IPAC (International Federation of Automatic Control) Hosting by Elsevier Ltd. All rights reserved. A new semi-active suspension control system is proposed. This control system includes a Linear Parameter Varying (LPV) controller which was designed to improve the ride comfort. It also incorporates a Force Control System (FCS) to transform the force command from the LPV controller to a input signal for the Electro-Rheological (ER) semi-active damper. This FCS was assessed by its tracking performance of the desired force command, with a 7 % of tracking error. Then the semi-active control system was evaluated in a Quarter of Vehicle (QoV) model under two tests: A Bump and a Road Profile. The results were a reduction up to 19 % (Bump test) and 29 % (Road Profile test), of the sprung mass position compared with a passive suspension. Additionally, an improvement up to 14 % was obtained when compared with a LPV controller using a simple model inversion Force-Manipulation transformation.

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