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Two-Degree of Freedom-Based Control Model for Active Suspension System to Mitigate the Nonlinear Disturbance

    https://doi.org/10.1142/S0218126623503127Cited by:1 (Source: Crossref)

    Comfort is an important consideration in passenger vehicles provided by a suspension system. The suspension system must be associated with the vehicle body to improve comfort for the passenger. The active suspension system (ASS) has been introduced to perform this task. Moreover, the sliding mode controller (SMC) is well known for its continuous control signals. This paper proposes the Bayesian-based proportional resonant sliding mode controller (B-PRSMC) and two degrees of the freedom-proportional resonant controller (2d-f-PR) to stabilize passenger and ride comfort. The B-PRSMC is used for examining system states under varying road disturbances based on the Bayesian theorem. After examining the system state, the system performance is controlled by the 2d-f-PR controller. The proposed method is performed on Matlab, and the results are taken regarding body acceleration, body travel and suspension deflection. The mastery of proposed method is estimated under different road profiles. The comparative analysis demonstrates that the suggested controller enhances ride and passenger comfort in varied road profiles due to the combination of B-PRSMC and 2d-f-PR controllers.

    This paper was recommended by Regional Editor Tongquan Wei.