Abstract

This work look into the H <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">∞</sub> fault-tolerant control (FTC) problem for active suspension systems with actuator failure. The performance of the suspension is used to measure ride comfort and the road holding, so that the most general road disturbances can be taken into account. The proposed controller is formulated in terms of linear matrix inequality (LMI), presented in occurrence of actuator failures which can be modelled by a scale factor. With the controllers, active suspension system can maintain asymmetric stability, so that can compensate for the effect of actuator failures when any of these errors occur.A model of an active half-car suspension system is envisaged and used to demonstrate the efficiency and reliability of the proposed method.

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