A New Adaptive Controller for Performance Improvement of Automotive Suspension Systems with MR Dampers

Paper #:
  • 2014-01-0052

Published:
  • 2014-04-01
Citation:
Khajepour, A. and Agrawal, A., "A New Adaptive Controller for Performance Improvement of Automotive Suspension Systems with MR Dampers," SAE Int. J. Passeng. Cars - Mech. Syst. 7(3):959-971, 2014, https://doi.org/10.4271/2014-01-0052.
Pages:
13
Abstract:
A control algorithm is developed for active/semi-active suspensions which can provide more comfort and better handling simultaneously. A weighting parameter is tuned online which is derived from two components - slow and fast adaptation to assign weights to comfort and handling. After establishing through simulations that the proposed adaptive control algorithm can demonstrate a performance better than some controllers in prior-art, it is implemented on an actual vehicle (Cadillac STS) which is equipped with MR dampers and several sensors. The vehicle is tested on smooth and rough roads and over speed bumps.
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