A Novel Hybrid Control Algorithm Sliding Mode-PID for the Active Suspension System with State Multivariable

Duc Ngoc Nguyen, Tuan Anh Nguyen and Xiaoping Liu

Complexity, 2022, vol. 2022, 1-14

Abstract: This paper introduces a novel method to control the operation of the active suspension system. In this research, a quarter-dynamic model is used to simulate the vehicle’s vibrations. Besides, the sliding mode-PID-integrated algorithm with five state variables is proposed to be used. This is a completely original and novel algorithm. The process of establishing the control algorithm is clearly described. The simulation is performed by the MATLAB software. The results of the paper have shown the advantages of the sliding mode-PID algorithm used in this research. Accordingly, the displacement and acceleration of the sprung mass were significantly reduced when this algorithm was used. The maximum and average values of the displacement of the sprung mass are only 1.31% and 1.29%, respectively, compared with the situation of the vehicle using a passive suspension. Similarly, the value of the acceleration is 6.98% and 2.94%, respectively. In addition, the phenomenon of “chattering†has also been significantly reduced when using this controller. In the future, some more complex algorithms can be proposed.

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:hin:complx:9527384

DOI: 10.1155/2022/9527384

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