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Model Based Actuator Management for a Hydraulic Active Suspension System: Improving Comfort Performance by Advanced Control

[+] Author Affiliations
Stijn De Bruyne, Jan Anthonis, Marco Gubitosa, Herman Van der Auweraer

LMS International, Leuven, Vlaams-Brabant, Belgium

Wim Desmet, Jan Swevers

K. U. Leuven, Leuven, Vlaams-Brabant, Belgium

Paper No. IMECE2011-63962, pp. 263-271; 9 pages
  • ASME 2011 International Mechanical Engineering Congress and Exposition
  • Volume 9: Transportation Systems; Safety Engineering, Risk Analysis and Reliability Methods; Applied Stochastic Optimization, Uncertainty and Probability
  • Denver, Colorado, USA, November 11–17, 2011
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5495-2
  • Copyright © 2011 by ASME


Active suspension systems aim at increasing safety by improving vehicle ride and handling performance while ensuring superior passenger comfort. This paper addresses the influence of the actuator management on the comfort performance of a complete hydraulic active suspension system. An innovative approach, based on nonlinear Model Predictive Control, is proposed and compared to a classical approach that employs a steady-state performance map of the actuator. A simulation analysis shows how taking into account actuator dynamics improves the actuator’s force tracking performance, leading to an improvement of the overall vehicle comfort performance.

Copyright © 2011 by ASME



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