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A backstepping approach to control of active suspensions

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3 Author(s)
Karlsson, N. ; Dept. of Mech. & Environ. Eng., California Univ., Santa Barbara, CA, USA ; Teel, A. ; Hrovat, D.

A nonlinear active suspension is designed using back-stepping techniques. The underlying suspension model is linear, but is subjected to a hard constraint on the suspension deflection. The controller guarantees global asymptotic stability of the closed-loop system, and prevents the suspension from bottoming out. The presented controller is an attractive option for active suspensions in vehicles operating in rough terrain (off-road), or in vehicles where the road traction and vehicle handling (read: safety) is the number one priority (e.g. in race cars)

Published in:

Decision and Control, 2001. Proceedings of the 40th IEEE Conference on  (Volume:5 )

Date of Conference:

2001