Traditionally automotive suspension designs have been a compromise between the three conflicting criteria of road holding, load-carrying and passenger comfort. Active and semiactive suspension control methods have been considered as ways of increasing the freedom one has to specify independently the characteristics of load carrying, handling and ride quality. Consequently, these control methods have been enthusiastically investigated in the past decades. In this paper, active suspension control based on LMIs, including H∞ control and mixed H2/H∞ synthesis has been developed in this paper. The simulation results demonstrate that robust control method can suppress disturbance from road inputs, thus improving the ride comfort and maintaining the good road handling. The mixed H2/H∞ synthesis can provide both the robustness of H∞ control and the better performance of H2 (LQR) method.
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ASME 7th Biennial Conference on Engineering Systems Design and Analysis
July 19–22, 2004
Manchester, England
ISBN:
0-7918-4173-1
PROCEEDINGS PAPER
Active Suspension of Output Feedback Robust Control Based on LMI Approach
Zhiqiang Gu,
Zhiqiang Gu
University of Manchester, Manchester, UK
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S. Olutunde Oyadiji
S. Olutunde Oyadiji
University of Manchester, Manchester, UK
Search for other works by this author on:
Zhiqiang Gu
University of Manchester, Manchester, UK
S. Olutunde Oyadiji
University of Manchester, Manchester, UK
Paper No:
ESDA2004-58446, pp. 861-868; 8 pages
Published Online:
November 11, 2008
Citation
Gu, Z, & Oyadiji, SO. "Active Suspension of Output Feedback Robust Control Based on LMI Approach." Proceedings of the ASME 7th Biennial Conference on Engineering Systems Design and Analysis. Volume 1. Manchester, England. July 19–22, 2004. pp. 861-868. ASME. https://doi.org/10.1115/ESDA2004-58446
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