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Prof. Aref mohamed ahmed soliman :: Publications:

Adaptive control strategies for a switchable damper suspension system
Authors: Aref M. A. Soliman, A. M. Abd El-Tawwab and D. A. Crolla
Year: 1996
Keywords: Adaptive control strategies, switchable damper suspension, Ride comfort
Journal: SAE International Congress & Exposition, Detroit, Michigan, USA, February 26-29, 1996.
Volume: -
Issue: --
Pages: --
Publisher: SAE International, USA, 2006
Local/International: International
Paper Link: Not Available
Full paper aref mohamed ahmed soliman _11-Adaptive control strategies for a SD-SAE 1996.pdf
Supplementary materials Not Available

Previous work to examine the performance of a variety of control strategies for a switchable damper suspension system is extended to include an adaptive suspension. The aim os this adaptation algorithm is to maintain optimal performance over the wide range of input conditions typically encountered by a vehicle. The adaptive control loop is based on a gain scheduling approach and two strategies are examined both theoretically and experimentally using a quarter vehicle test rig. For the first strategy, the gains are selected on the basis of root mean square (r.m.s.) wheel acceleration measurements whereas in the second approach the r.m.s. values of suspension working space is used. A composite input is used consisting on sections of a road input disturbance of differing levels of magnitude in order to test yhe contro systems "abilities to identify and adapt efficiency as the severity of the road input changes. Both simulated and measured results are used to investigate design decisions regarding the pre-calculated gains, averaging of the monitored variable on which the adaptation is based and the detailed way in which the gains are altered when a change is required.

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