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JSIR Vol.65(03) [March 2006] >


Title: Linear quadratic regulator controller design for active suspension system subjected to random road surfaces
Authors: Kumar, M Senthil
Vijayarangan, S
Keywords: Active suspension
Optimal control
Ride comfort
Road handling
Issue Date: Mar-2006
Publisher: CSIR
IPC CodeB60G; G09B17/00
Abstract: Present work aims at developing an active suspension for a passenger car by designing a controller using linear quadratic optimal control theory, based on two different control approaches [conventional method (CM), acceleration dependent method (ADM)]. Performance of the active suspension system of a quarter car model with 3 degrees-of-freedom with two control approaches has been compared with that of passive one. Active suspension system had a better potential to improve both the ride comfort and road holding, since the passenger acceleration has been reduced for active CM system (19.58%) and for active ADM system (34.08%) compared to passive one. Also suspension travel has reduced (37.5%).
Page(s): 213-226
ISSN: 0975-1084 (Online); 0022-4456 (Print)
Source:JSIR Vol.65(03) [March 2006]

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