Fault tolerant strategy for semi-active suspensions with LPV accommodation?

Juan C. Tudón-Martínez, Sébastien Varrier, Olivier Sename, Ruben Morales-Menendez, John Jairo Martinez, Luc Dugard

Research output: Contribution to conferencePaper

17 Citations (Scopus)


A novel fault tolerant strategy to compensate multiplicative actuator faults (damper oil leakages) in a semi-active suspension system is proposed. The compensation of the lack of damping force caused by a faulty damper is carried on by the remainder three healthy semi-active dampers. Once a faulty damper is detected and isolated by a Fault Detection and Isolation strategy based on parity-space, an estimator is activated to compute the missing damping force to compensate. In order to fulfill the semi-active damper constraints, the fault accommodation is based on the Linear-Parameter Varying (LPV) control strategy. Thus, each corner has a fault estimator and an LPV controller oriented to comfort and road holding. Simulation results show that the proposed fault tolerant semi-active suspension improves the vehicle comfort up to 60% with respect to a controlled suspension without fault-tolerant strategy and 82% with respect to a passive suspension.

Original languageEnglish
Number of pages6
Publication statusPublished - 1 Dec 2013
Externally publishedYes
EventConference on Control and Fault-Tolerant Systems, SysTol -
Duration: 1 Dec 2013 → …


ConferenceConference on Control and Fault-Tolerant Systems, SysTol
Period1/12/13 → …

Bibliographical note

Copyright 2014 Elsevier B.V., All rights reserved.

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Hardware and Architecture
  • Software
  • Control and Systems Engineering


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