Application of Nonlinear Control Theory to Electronically Controlled Suspensions

A. Alleyne, P. D. Neuhaus, J. K. Hedrick

Research output: Contribution to journalArticlepeer-review

83 Scopus citations


This paper illustrates the use of nonlinear control theory for designing electro-hydraulic active suspensions. A nonlinear, “sliding” control law is developed and compared with the linear control of a quarter-car active suspension system acting under the effects of coulomb friction. A comparison will also be made with a passive quarter-car suspension system. Simulation and experimental results show that nonlinear control performs better than P1D control and improves the ride quality compared to a passive suspension.

Original languageEnglish (US)
Pages (from-to)309-320
Number of pages12
JournalVehicle System Dynamics
Issue number5-6
StatePublished - Jan 1 1993
Externally publishedYes

Bibliographical note

Funding Information:
This work was supported by a grant from the Ford University Research Program. We would also like to thank TRW Active Control Systems for their assistance and hardware.


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