Abstract

An integrated vehicle control system to improve vehicle handling and stability is developed based on the control authority of chassis key electronic control subsystems. First, a quantitative analysis of the control authority and the effective working region of the active front steering (AFS), active braking (AB) and active suspension (AS) subsystems is investigated based upon a full vehicle model. Then, an integrated control strategy is developed according to the control authority and the effective working region of chassis key electronic subsystems. The proposed strategy not only maximizes the benefits that each electronic subsystem offers but also minimizes the interactions between them. Computer simulation results confirm the rationality and effectiveness of the proposed integrated control system and the improvements in vehicle handling and stability.

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