Design and Performance Assessment of Adaptive Harmonic Control for a Half-Car Active Suspension System

Maria-Geanina Unguritu, Teodor-Constantin Nichițelea, Dan Selișteanu and Qingling Wang

Complexity, 2022, vol. 2022, 1-14

Abstract: The vehicle suspension system is represented by a complex group of components which connect the wheels to the frame or body. Its primary function is to reduce or absorb various vehicle vibrations generated by road disturbances, providing comfort and safety for passengers. Most modern vehicles have independent, active, or semiactive front and rear suspensions which allow the use of electronic actuation. For this reason, automotive engineers conduct research on the active suspension model to determine the most suitable control algorithm. Three active suspension models are intensely used within simulations: the quarter-car, the half-car, and the full-car models. This paper proposes an adaptive harmonic control for a half-car active suspension system. The mathematical model of the suspension system is implemented in the MATLAB/Simulink environment. The control approach is tested via simulation, and several comparisons with the classical proportional-integral controller are provided. The simulation results show that the controller behaves quite similarly on the half-car model as it did on a quarter-car model. Additionally, an improvement to the harmonic control algorithm has been accomplished.

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:hin:complx:3190520

DOI: 10.1155/2022/3190520

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