US 7,321,816 B2 | ||
Model free semi-active vehicle suspension system | ||
Christophe Lauwerys, Kessel-Lo (Belgium); and Jan Swevers, Meldert (Belgium) | ||
Assigned to Tenneco Automotive Operating Company, Inc., Lake Forest, Ill. (US) | ||
Filed on Apr. 22, 2005, as Appl. No. 11/111,832. | ||
Claims priority of provisional application 60/565512, filed on Apr. 27, 2004. | ||
Prior Publication US 2005/0240326 A1, Oct. 27, 2005 | ||
Int. Cl. B60G 17/015 (2006.01); B60G 17/018 (2006.01); B60G 17/08 (2006.01) |
U.S. Cl. 701—37 [280/5.5] | 18 Claims |
1. A method of controlling a shock absorber system of a vehicle comprising a plurality of controlled shock absorbers, said
method comprising:
linearizing the system by transforming original control inputs of the shock absorbers into virtual damper force input signals
based on a bilinear damper characteristic;
decoupling system dynamics into modal components using static decoupling matrices that comprise the virtual damper force input
signals to modal body accelerations of the vehicle; and
controlling the system with a linear decentralized controller based on the modal components.
|